- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
--- /dev/null
+# 🌖 📨 🗄
+
+!!! warning
+ 👉 👍 🏧 ❔.
+
+ 🚥 👆 ▶️ ⏮️ **FastAPI**, 👆 💪 🚫 💪 👉.
+
+👆 💪 📣 🌖 📨, ⏮️ 🌖 👔 📟, 🔉 🆎, 📛, ♒️.
+
+👈 🌖 📨 🔜 🔌 🗄 🔗, 👫 🔜 😑 🛠️ 🩺.
+
+✋️ 👈 🌖 📨 👆 ✔️ ⚒ 💭 👆 📨 `Response` 💖 `JSONResponse` 🔗, ⏮️ 👆 👔 📟 & 🎚.
+
+## 🌖 📨 ⏮️ `model`
+
+👆 💪 🚶♀️ 👆 *➡ 🛠️ 👨🎨* 🔢 `responses`.
+
+⚫️ 📨 `dict`, 🔑 👔 📟 🔠 📨, 💖 `200`, & 💲 🎏 `dict`Ⓜ ⏮️ ℹ 🔠 👫.
+
+🔠 👈 📨 `dict`Ⓜ 💪 ✔️ 🔑 `model`, ⚗ Pydantic 🏷, 💖 `response_model`.
+
+**FastAPI** 🔜 ✊ 👈 🏷, 🏗 🚮 🎻 🔗 & 🔌 ⚫️ ☑ 🥉 🗄.
+
+🖼, 📣 ➕1️⃣ 📨 ⏮️ 👔 📟 `404` & Pydantic 🏷 `Message`, 👆 💪 ✍:
+
+```Python hl_lines="18 22"
+{!../../../docs_src/additional_responses/tutorial001.py!}
+```
+
+!!! note
+ ✔️ 🤯 👈 👆 ✔️ 📨 `JSONResponse` 🔗.
+
+!!! info
+ `model` 🔑 🚫 🍕 🗄.
+
+ **FastAPI** 🔜 ✊ Pydantic 🏷 ⚪️➡️ 📤, 🏗 `JSON Schema`, & 🚮 ⚫️ ☑ 🥉.
+
+ ☑ 🥉:
+
+ * 🔑 `content`, 👈 ✔️ 💲 ➕1️⃣ 🎻 🎚 (`dict`) 👈 🔌:
+ * 🔑 ⏮️ 📻 🆎, ✅ `application/json`, 👈 🔌 💲 ➕1️⃣ 🎻 🎚, 👈 🔌:
+ * 🔑 `schema`, 👈 ✔️ 💲 🎻 🔗 ⚪️➡️ 🏷, 📥 ☑ 🥉.
+ * **FastAPI** 🚮 🔗 📥 🌐 🎻 🔗 ➕1️⃣ 🥉 👆 🗄 ↩️ ✅ ⚫️ 🔗. 👉 🌌, 🎏 🈸 & 👩💻 💪 ⚙️ 👈 🎻 🔗 🔗, 🚚 👻 📟 ⚡ 🧰, ♒️.
+
+🏗 📨 🗄 👉 *➡ 🛠️* 🔜:
+
+```JSON hl_lines="3-12"
+{
+ "responses": {
+ "404": {
+ "description": "Additional Response",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Message"
+ }
+ }
+ }
+ },
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Item"
+ }
+ }
+ }
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/HTTPValidationError"
+ }
+ }
+ }
+ }
+ }
+}
+```
+
+🔗 🔗 ➕1️⃣ 🥉 🔘 🗄 🔗:
+
+```JSON hl_lines="4-16"
+{
+ "components": {
+ "schemas": {
+ "Message": {
+ "title": "Message",
+ "required": [
+ "message"
+ ],
+ "type": "object",
+ "properties": {
+ "message": {
+ "title": "Message",
+ "type": "string"
+ }
+ }
+ },
+ "Item": {
+ "title": "Item",
+ "required": [
+ "id",
+ "value"
+ ],
+ "type": "object",
+ "properties": {
+ "id": {
+ "title": "Id",
+ "type": "string"
+ },
+ "value": {
+ "title": "Value",
+ "type": "string"
+ }
+ }
+ },
+ "ValidationError": {
+ "title": "ValidationError",
+ "required": [
+ "loc",
+ "msg",
+ "type"
+ ],
+ "type": "object",
+ "properties": {
+ "loc": {
+ "title": "Location",
+ "type": "array",
+ "items": {
+ "type": "string"
+ }
+ },
+ "msg": {
+ "title": "Message",
+ "type": "string"
+ },
+ "type": {
+ "title": "Error Type",
+ "type": "string"
+ }
+ }
+ },
+ "HTTPValidationError": {
+ "title": "HTTPValidationError",
+ "type": "object",
+ "properties": {
+ "detail": {
+ "title": "Detail",
+ "type": "array",
+ "items": {
+ "$ref": "#/components/schemas/ValidationError"
+ }
+ }
+ }
+ }
+ }
+ }
+}
+```
+
+## 🌖 🔉 🆎 👑 📨
+
+👆 💪 ⚙️ 👉 🎏 `responses` 🔢 🚮 🎏 🔉 🆎 🎏 👑 📨.
+
+🖼, 👆 💪 🚮 🌖 📻 🆎 `image/png`, 📣 👈 👆 *➡ 🛠️* 💪 📨 🎻 🎚 (⏮️ 📻 🆎 `application/json`) ⚖️ 🇩🇴 🖼:
+
+```Python hl_lines="19-24 28"
+{!../../../docs_src/additional_responses/tutorial002.py!}
+```
+
+!!! note
+ 👀 👈 👆 ✔️ 📨 🖼 ⚙️ `FileResponse` 🔗.
+
+!!! info
+ 🚥 👆 ✔ 🎏 📻 🆎 🎯 👆 `responses` 🔢, FastAPI 🔜 🤔 📨 ✔️ 🎏 📻 🆎 👑 📨 🎓 (🔢 `application/json`).
+
+ ✋️ 🚥 👆 ✔️ ✔ 🛃 📨 🎓 ⏮️ `None` 🚮 📻 🆎, FastAPI 🔜 ⚙️ `application/json` 🙆 🌖 📨 👈 ✔️ 👨💼 🏷.
+
+## 🌀 ℹ
+
+👆 💪 🌀 📨 ℹ ⚪️➡️ 💗 🥉, 🔌 `response_model`, `status_code`, & `responses` 🔢.
+
+👆 💪 📣 `response_model`, ⚙️ 🔢 👔 📟 `200` (⚖️ 🛃 1️⃣ 🚥 👆 💪), & ⤴️ 📣 🌖 ℹ 👈 🎏 📨 `responses`, 🔗 🗄 🔗.
+
+**FastAPI** 🔜 🚧 🌖 ℹ ⚪️➡️ `responses`, & 🌀 ⚫️ ⏮️ 🎻 🔗 ⚪️➡️ 👆 🏷.
+
+🖼, 👆 💪 📣 📨 ⏮️ 👔 📟 `404` 👈 ⚙️ Pydantic 🏷 & ✔️ 🛃 `description`.
+
+& 📨 ⏮️ 👔 📟 `200` 👈 ⚙️ 👆 `response_model`, ✋️ 🔌 🛃 `example`:
+
+```Python hl_lines="20-31"
+{!../../../docs_src/additional_responses/tutorial003.py!}
+```
+
+⚫️ 🔜 🌐 🌀 & 🔌 👆 🗄, & 🎦 🛠️ 🩺:
+
+<img src="/img/tutorial/additional-responses/image01.png">
+
+## 🌀 🔢 📨 & 🛃 🕐
+
+👆 💪 💚 ✔️ 🔁 📨 👈 ✔ 📚 *➡ 🛠️*, ✋️ 👆 💚 🌀 👫 ⏮️ 🛃 📨 💚 🔠 *➡ 🛠️*.
+
+📚 💼, 👆 💪 ⚙️ 🐍 ⚒ "🏗" `dict` ⏮️ `**dict_to_unpack`:
+
+```Python
+old_dict = {
+ "old key": "old value",
+ "second old key": "second old value",
+}
+new_dict = {**old_dict, "new key": "new value"}
+```
+
+📥, `new_dict` 🔜 🔌 🌐 🔑-💲 👫 ⚪️➡️ `old_dict` ➕ 🆕 🔑-💲 👫:
+
+```Python
+{
+ "old key": "old value",
+ "second old key": "second old value",
+ "new key": "new value",
+}
+```
+
+👆 💪 ⚙️ 👈 ⚒ 🏤-⚙️ 🔢 📨 👆 *➡ 🛠️* & 🌀 👫 ⏮️ 🌖 🛃 🕐.
+
+🖼:
+
+```Python hl_lines="13-17 26"
+{!../../../docs_src/additional_responses/tutorial004.py!}
+```
+
+## 🌖 ℹ 🔃 🗄 📨
+
+👀 ⚫️❔ ⚫️❔ 👆 💪 🔌 📨, 👆 💪 ✅ 👉 📄 🗄 🔧:
+
+* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#responsesObject" class="external-link" target="_blank">🗄 📨 🎚</a>, ⚫️ 🔌 `Response Object`.
+* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#responseObject" class="external-link" target="_blank">🗄 📨 🎚</a>, 👆 💪 🔌 🕳 ⚪️➡️ 👉 🔗 🔠 📨 🔘 👆 `responses` 🔢. ✅ `description`, `headers`, `content` (🔘 👉 👈 👆 📣 🎏 🔉 🆎 & 🎻 🔗), & `links`.
--- /dev/null
+# 🌖 👔 📟
+
+🔢, **FastAPI** 🔜 📨 📨 ⚙️ `JSONResponse`, 🚮 🎚 👆 📨 ⚪️➡️ 👆 *➡ 🛠️* 🔘 👈 `JSONResponse`.
+
+⚫️ 🔜 ⚙️ 🔢 👔 📟 ⚖️ 1️⃣ 👆 ⚒ 👆 *➡ 🛠️*.
+
+## 🌖 👔 📟
+
+🚥 👆 💚 📨 🌖 👔 📟 ↖️ ⚪️➡️ 👑 1️⃣, 👆 💪 👈 🛬 `Response` 🔗, 💖 `JSONResponse`, & ⚒ 🌖 👔 📟 🔗.
+
+🖼, ➡️ 💬 👈 👆 💚 ✔️ *➡ 🛠️* 👈 ✔ ℹ 🏬, & 📨 🇺🇸🔍 👔 📟 2️⃣0️⃣0️⃣ "👌" 🕐❔ 🏆.
+
+✋️ 👆 💚 ⚫️ 🚫 🆕 🏬. & 🕐❔ 🏬 🚫 🔀 ⏭, ⚫️ ✍ 👫, & 📨 🇺🇸🔍 👔 📟 2️⃣0️⃣1️⃣ "✍".
+
+🏆 👈, 🗄 `JSONResponse`, & 📨 👆 🎚 📤 🔗, ⚒ `status_code` 👈 👆 💚:
+
+```Python hl_lines="4 25"
+{!../../../docs_src/additional_status_codes/tutorial001.py!}
+```
+
+!!! warning
+ 🕐❔ 👆 📨 `Response` 🔗, 💖 🖼 🔛, ⚫️ 🔜 📨 🔗.
+
+ ⚫️ 🏆 🚫 🎻 ⏮️ 🏷, ♒️.
+
+ ⚒ 💭 ⚫️ ✔️ 📊 👆 💚 ⚫️ ✔️, & 👈 💲 ☑ 🎻 (🚥 👆 ⚙️ `JSONResponse`).
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import JSONResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃. 🎏 ⏮️ `status`.
+
+## 🗄 & 🛠️ 🩺
+
+🚥 👆 📨 🌖 👔 📟 & 📨 🔗, 👫 🏆 🚫 🔌 🗄 🔗 (🛠️ 🩺), ↩️ FastAPI 🚫 ✔️ 🌌 💭 ⏪ ⚫️❔ 👆 🚶 📨.
+
+✋️ 👆 💪 📄 👈 👆 📟, ⚙️: [🌖 📨](additional-responses.md){.internal-link target=_blank}.
--- /dev/null
+# 🏧 🔗
+
+## 🔗 🔗
+
+🌐 🔗 👥 ✔️ 👀 🔧 🔢 ⚖️ 🎓.
+
+✋️ 📤 💪 💼 🌐❔ 👆 💚 💪 ⚒ 🔢 🔛 🔗, 🍵 ✔️ 📣 📚 🎏 🔢 ⚖️ 🎓.
+
+➡️ 🌈 👈 👥 💚 ✔️ 🔗 👈 ✅ 🚥 🔢 🔢 `q` 🔌 🔧 🎚.
+
+✋️ 👥 💚 💪 🔗 👈 🔧 🎚.
+
+## "🇧🇲" 👐
+
+🐍 📤 🌌 ⚒ 👐 🎓 "🇧🇲".
+
+🚫 🎓 ⚫️ (❔ ⏪ 🇧🇲), ✋️ 👐 👈 🎓.
+
+👈, 👥 📣 👩🔬 `__call__`:
+
+```Python hl_lines="10"
+{!../../../docs_src/dependencies/tutorial011.py!}
+```
+
+👉 💼, 👉 `__call__` ⚫️❔ **FastAPI** 🔜 ⚙️ ✅ 🌖 🔢 & 🎧-🔗, & 👉 ⚫️❔ 🔜 🤙 🚶♀️ 💲 🔢 👆 *➡ 🛠️ 🔢* ⏪.
+
+## 🔗 👐
+
+& 🔜, 👥 💪 ⚙️ `__init__` 📣 🔢 👐 👈 👥 💪 ⚙️ "🔗" 🔗:
+
+```Python hl_lines="7"
+{!../../../docs_src/dependencies/tutorial011.py!}
+```
+
+👉 💼, **FastAPI** 🏆 🚫 ⏱ 👆 ⚖️ 💅 🔃 `__init__`, 👥 🔜 ⚙️ ⚫️ 🔗 👆 📟.
+
+## ✍ 👐
+
+👥 💪 ✍ 👐 👉 🎓 ⏮️:
+
+```Python hl_lines="16"
+{!../../../docs_src/dependencies/tutorial011.py!}
+```
+
+& 👈 🌌 👥 💪 "🔗" 👆 🔗, 👈 🔜 ✔️ `"bar"` 🔘 ⚫️, 🔢 `checker.fixed_content`.
+
+## ⚙️ 👐 🔗
+
+⤴️, 👥 💪 ⚙️ 👉 `checker` `Depends(checker)`, ↩️ `Depends(FixedContentQueryChecker)`, ↩️ 🔗 👐, `checker`, 🚫 🎓 ⚫️.
+
+& 🕐❔ ❎ 🔗, **FastAPI** 🔜 🤙 👉 `checker` 💖:
+
+```Python
+checker(q="somequery")
+```
+
+...& 🚶♀️ ⚫️❔ 👈 📨 💲 🔗 👆 *➡ 🛠️ 🔢* 🔢 `fixed_content_included`:
+
+```Python hl_lines="20"
+{!../../../docs_src/dependencies/tutorial011.py!}
+```
+
+!!! tip
+ 🌐 👉 💪 😑 🎭. & ⚫️ 💪 🚫 📶 🆑 ❔ ⚫️ ⚠.
+
+ 👫 🖼 😫 🙅, ✋️ 🎦 ❔ ⚫️ 🌐 👷.
+
+ 📃 🔃 💂♂, 📤 🚙 🔢 👈 🛠️ 👉 🎏 🌌.
+
+ 🚥 👆 🤔 🌐 👉, 👆 ⏪ 💭 ❔ 👈 🚙 🧰 💂♂ 👷 🔘.
--- /dev/null
+# 🔁 🗄 (🔗) 💽
+
+👆 💪 ⚙️ <a href="https://github.com/encode/databases" class="external-link" target="_blank">`encode/databases`</a> ⏮️ **FastAPI** 🔗 💽 ⚙️ `async` & `await`.
+
+⚫️ 🔗 ⏮️:
+
+* ✳
+* ✳
+* 🗄
+
+👉 🖼, 👥 🔜 ⚙️ **🗄**, ↩️ ⚫️ ⚙️ 👁 📁 & 🐍 ✔️ 🛠️ 🐕🦺. , 👆 💪 📁 👉 🖼 & 🏃 ⚫️.
+
+⏪, 👆 🏭 🈸, 👆 💪 💚 ⚙️ 💽 💽 💖 **✳**.
+
+!!! tip
+ 👆 💪 🛠️ 💭 ⚪️➡️ 📄 🔃 🇸🇲 🐜 ([🗄 (🔗) 💽](../tutorial/sql-databases.md){.internal-link target=_blank}), 💖 ⚙️ 🚙 🔢 🎭 🛠️ 💽, 🔬 👆 **FastAPI** 📟.
+
+ 👉 📄 🚫 ✔ 📚 💭, 🌓 😑 <a href="https://www.starlette.io/database/" class="external-link" target="_blank">💃</a>.
+
+## 🗄 & ⚒ 🆙 `SQLAlchemy`
+
+* 🗄 `SQLAlchemy`.
+* ✍ `metadata` 🎚.
+* ✍ 🏓 `notes` ⚙️ `metadata` 🎚.
+
+```Python hl_lines="4 14 16-22"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+!!! tip
+ 👀 👈 🌐 👉 📟 😁 🇸🇲 🐚.
+
+ `databases` 🚫 🔨 🕳 📥.
+
+## 🗄 & ⚒ 🆙 `databases`
+
+* 🗄 `databases`.
+* ✍ `DATABASE_URL`.
+* ✍ `database` 🎚.
+
+```Python hl_lines="3 9 12"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+!!! tip
+ 🚥 👆 🔗 🎏 💽 (✅ ✳), 👆 🔜 💪 🔀 `DATABASE_URL`.
+
+## ✍ 🏓
+
+👉 💼, 👥 🏗 🏓 🎏 🐍 📁, ✋️ 🏭, 👆 🔜 🎲 💚 ✍ 👫 ⏮️ ⚗, 🛠️ ⏮️ 🛠️, ♒️.
+
+📥, 👉 📄 🔜 🏃 🔗, ▶️️ ⏭ ▶️ 👆 **FastAPI** 🈸.
+
+* ✍ `engine`.
+* ✍ 🌐 🏓 ⚪️➡️ `metadata` 🎚.
+
+```Python hl_lines="25-28"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+## ✍ 🏷
+
+✍ Pydantic 🏷:
+
+* 🗒 ✍ (`NoteIn`).
+* 🗒 📨 (`Note`).
+
+```Python hl_lines="31-33 36-39"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+🏗 👫 Pydantic 🏷, 🔢 💽 🔜 ✔, 🎻 (🗜), & ✍ (📄).
+
+, 👆 🔜 💪 👀 ⚫️ 🌐 🎓 🛠️ 🩺.
+
+## 🔗 & 🔌
+
+* ✍ 👆 `FastAPI` 🈸.
+* ✍ 🎉 🐕🦺 🔗 & 🔌 ⚪️➡️ 💽.
+
+```Python hl_lines="42 45-47 50-52"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+## ✍ 🗒
+
+✍ *➡ 🛠️ 🔢* ✍ 🗒:
+
+```Python hl_lines="55-58"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+!!! Note
+ 👀 👈 👥 🔗 ⏮️ 💽 ⚙️ `await`, *➡ 🛠️ 🔢* 📣 ⏮️ `async`.
+
+### 👀 `response_model=List[Note]`
+
+⚫️ ⚙️ `typing.List`.
+
+👈 📄 (& ✔, 🎻, ⛽) 🔢 💽, `list` `Note`Ⓜ.
+
+## ✍ 🗒
+
+✍ *➡ 🛠️ 🔢* ✍ 🗒:
+
+```Python hl_lines="61-65"
+{!../../../docs_src/async_sql_databases/tutorial001.py!}
+```
+
+!!! Note
+ 👀 👈 👥 🔗 ⏮️ 💽 ⚙️ `await`, *➡ 🛠️ 🔢* 📣 ⏮️ `async`.
+
+### 🔃 `{**note.dict(), "id": last_record_id}`
+
+`note` Pydantic `Note` 🎚.
+
+`note.dict()` 📨 `dict` ⏮️ 🚮 💽, 🕳 💖:
+
+```Python
+{
+ "text": "Some note",
+ "completed": False,
+}
+```
+
+✋️ ⚫️ 🚫 ✔️ `id` 🏑.
+
+👥 ✍ 🆕 `dict`, 👈 🔌 🔑-💲 👫 ⚪️➡️ `note.dict()` ⏮️:
+
+```Python
+{**note.dict()}
+```
+
+`**note.dict()` "unpacks" the key value pairs directly, so, `{**note.dict()}` would be, more or less, a copy of `note.dict()`.
+
+& ⤴️, 👥 ↔ 👈 📁 `dict`, ❎ ➕1️⃣ 🔑-💲 👫: `"id": last_record_id`:
+
+```Python
+{**note.dict(), "id": last_record_id}
+```
+
+, 🏁 🏁 📨 🔜 🕳 💖:
+
+```Python
+{
+ "id": 1,
+ "text": "Some note",
+ "completed": False,
+}
+```
+
+## ✅ ⚫️
+
+👆 💪 📁 👉 📟, & 👀 🩺 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+📤 👆 💪 👀 🌐 👆 🛠️ 📄 & 🔗 ⏮️ ⚫️:
+
+<img src="/img/tutorial/async-sql-databases/image01.png">
+
+## 🌅 ℹ
+
+👆 💪 ✍ 🌅 🔃 <a href="https://github.com/encode/databases" class="external-link" target="_blank">`encode/databases` 🚮 📂 📃</a>.
--- /dev/null
+# 🔁 💯
+
+👆 ✔️ ⏪ 👀 ❔ 💯 👆 **FastAPI** 🈸 ⚙️ 🚚 `TestClient`. 🆙 🔜, 👆 ✔️ 🕴 👀 ❔ ✍ 🔁 💯, 🍵 ⚙️ `async` 🔢.
+
+➖ 💪 ⚙️ 🔁 🔢 👆 💯 💪 ⚠, 🖼, 🕐❔ 👆 🔬 👆 💽 🔁. 🌈 👆 💚 💯 📨 📨 👆 FastAPI 🈸 & ⤴️ ✔ 👈 👆 👩💻 ⏪ ✍ ☑ 💽 💽, ⏪ ⚙️ 🔁 💽 🗃.
+
+➡️ 👀 ❔ 👥 💪 ⚒ 👈 👷.
+
+## pytest.mark.anyio
+
+🚥 👥 💚 🤙 🔁 🔢 👆 💯, 👆 💯 🔢 ✔️ 🔁. AnyIO 🚚 👌 📁 👉, 👈 ✔ 👥 ✔ 👈 💯 🔢 🤙 🔁.
+
+## 🇸🇲
+
+🚥 👆 **FastAPI** 🈸 ⚙️ 😐 `def` 🔢 ↩️ `async def`, ⚫️ `async` 🈸 🔘.
+
+`TestClient` 🔨 🎱 🔘 🤙 🔁 FastAPI 🈸 👆 😐 `def` 💯 🔢, ⚙️ 🐩 ✳. ✋️ 👈 🎱 🚫 👷 🚫🔜 🕐❔ 👥 ⚙️ ⚫️ 🔘 🔁 🔢. 🏃 👆 💯 🔁, 👥 💪 🙅♂ 📏 ⚙️ `TestClient` 🔘 👆 💯 🔢.
+
+`TestClient` ⚓️ 🔛 <a href="https://www.python-httpx.org" class="external-link" target="_blank">🇸🇲</a>, & ↩️, 👥 💪 ⚙️ ⚫️ 🔗 💯 🛠️.
+
+## 🖼
+
+🙅 🖼, ➡️ 🤔 📁 📊 🎏 1️⃣ 🔬 [🦏 🈸](../tutorial/bigger-applications.md){.internal-link target=_blank} & [🔬](../tutorial/testing.md){.internal-link target=_blank}:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+│ └── test_main.py
+```
+
+📁 `main.py` 🔜 ✔️:
+
+```Python
+{!../../../docs_src/async_tests/main.py!}
+```
+
+📁 `test_main.py` 🔜 ✔️ 💯 `main.py`, ⚫️ 💪 👀 💖 👉 🔜:
+
+```Python
+{!../../../docs_src/async_tests/test_main.py!}
+```
+
+## 🏃 ⚫️
+
+👆 💪 🏃 👆 💯 🐌 📨:
+
+<div class="termy">
+
+```console
+$ pytest
+
+---> 100%
+```
+
+</div>
+
+## ℹ
+
+📑 `@pytest.mark.anyio` 💬 ✳ 👈 👉 💯 🔢 🔜 🤙 🔁:
+
+```Python hl_lines="7"
+{!../../../docs_src/async_tests/test_main.py!}
+```
+
+!!! tip
+ 🗒 👈 💯 🔢 🔜 `async def` ↩️ `def` ⏭ 🕐❔ ⚙️ `TestClient`.
+
+⤴️ 👥 💪 ✍ `AsyncClient` ⏮️ 📱, & 📨 🔁 📨 ⚫️, ⚙️ `await`.
+
+```Python hl_lines="9-10"
+{!../../../docs_src/async_tests/test_main.py!}
+```
+
+👉 🌓:
+
+```Python
+response = client.get('/')
+```
+
+...👈 👥 ⚙️ ⚒ 👆 📨 ⏮️ `TestClient`.
+
+!!! tip
+ 🗒 👈 👥 ⚙️ 🔁/⌛ ⏮️ 🆕 `AsyncClient` - 📨 🔁.
+
+## 🎏 🔁 🔢 🤙
+
+🔬 🔢 🔜 🔁, 👆 💪 🔜 🤙 (& `await`) 🎏 `async` 🔢 ↖️ ⚪️➡️ 📨 📨 👆 FastAPI 🈸 👆 💯, ⚫️❔ 👆 🔜 🤙 👫 🙆 🙆 👆 📟.
+
+!!! tip
+ 🚥 👆 ⚔ `RuntimeError: Task attached to a different loop` 🕐❔ 🛠️ 🔁 🔢 🤙 👆 💯 (✅ 🕐❔ ⚙️ <a href="https://stackoverflow.com/questions/41584243/runtimeerror-task-attached-to-a-different-loop" class="external-link" target="_blank">✳ MotorClient</a>) 💭 🔗 🎚 👈 💪 🎉 ➰ 🕴 🏞 🔁 🔢, ✅ `'@app.on_event("startup")` ⏲.
--- /dev/null
+# ⛅ 🗳
+
+⚠, 👆 5️⃣📆 💪 ⚙️ **🗳** 💽 💖 Traefik ⚖️ 👌 ⏮️ 📳 👈 🚮 ➕ ➡ 🔡 👈 🚫 👀 👆 🈸.
+
+👫 💼 👆 💪 ⚙️ `root_path` 🔗 👆 🈸.
+
+`root_path` 🛠️ 🚚 🔫 🔧 (👈 FastAPI 🏗 🔛, 🔘 💃).
+
+`root_path` ⚙️ 🍵 👫 🎯 💼.
+
+& ⚫️ ⚙️ 🔘 🕐❔ 🗜 🎧-🈸.
+
+## 🗳 ⏮️ 🎞 ➡ 🔡
+
+✔️ 🗳 ⏮️ 🎞 ➡ 🔡, 👉 💼, ⛓ 👈 👆 💪 📣 ➡ `/app` 👆 📟, ✋️ ⤴️, 👆 🚮 🧽 🔛 🔝 (🗳) 👈 🔜 🚮 👆 **FastAPI** 🈸 🔽 ➡ 💖 `/api/v1`.
+
+👉 💼, ⏮️ ➡ `/app` 🔜 🤙 🍦 `/api/v1/app`.
+
+✋️ 🌐 👆 📟 ✍ 🤔 📤 `/app`.
+
+& 🗳 🔜 **"❎"** **➡ 🔡** 🔛 ✈ ⏭ 📶 📨 Uvicorn, 🚧 👆 🈸 🤔 👈 ⚫️ 🍦 `/app`, 👈 👆 🚫 ✔️ ℹ 🌐 👆 📟 🔌 🔡 `/api/v1`.
+
+🆙 📥, 🌐 🔜 👷 🛎.
+
+✋️ ⤴️, 🕐❔ 👆 📂 🛠️ 🩺 🎚 (🕸), ⚫️ 🔜 ⌛ 🤚 🗄 🔗 `/openapi.json`, ↩️ `/api/v1/openapi.json`.
+
+, 🕸 (👈 🏃 🖥) 🔜 🔄 🏆 `/openapi.json` & 🚫🔜 💪 🤚 🗄 🔗.
+
+↩️ 👥 ✔️ 🗳 ⏮️ ➡ 🔡 `/api/v1` 👆 📱, 🕸 💪 ☕ 🗄 🔗 `/api/v1/openapi.json`.
+
+```mermaid
+graph LR
+
+browser("Browser")
+proxy["Proxy on http://0.0.0.0:9999/api/v1/app"]
+server["Server on http://127.0.0.1:8000/app"]
+
+browser --> proxy
+proxy --> server
+```
+
+!!! tip
+ 📢 `0.0.0.0` 🛎 ⚙️ ⛓ 👈 📋 👂 🔛 🌐 📢 💪 👈 🎰/💽.
+
+🩺 🎚 🔜 💪 🗄 🔗 📣 👈 👉 🛠️ `server` 🔎 `/api/v1` (⛅ 🗳). 🖼:
+
+```JSON hl_lines="4-8"
+{
+ "openapi": "3.0.2",
+ // More stuff here
+ "servers": [
+ {
+ "url": "/api/v1"
+ }
+ ],
+ "paths": {
+ // More stuff here
+ }
+}
+```
+
+👉 🖼, "🗳" 💪 🕳 💖 **Traefik**. & 💽 🔜 🕳 💖 **Uvicorn**, 🏃♂ 👆 FastAPI 🈸.
+
+### 🚚 `root_path`
+
+🏆 👉, 👆 💪 ⚙️ 📋 ⏸ 🎛 `--root-path` 💖:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --root-path /api/v1
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+🚥 👆 ⚙️ Hypercorn, ⚫️ ✔️ 🎛 `--root-path`.
+
+!!! note "📡 ℹ"
+ 🔫 🔧 🔬 `root_path` 👉 ⚙️ 💼.
+
+ & `--root-path` 📋 ⏸ 🎛 🚚 👈 `root_path`.
+
+### ✅ ⏮️ `root_path`
+
+👆 💪 🤚 ⏮️ `root_path` ⚙️ 👆 🈸 🔠 📨, ⚫️ 🍕 `scope` 📖 (👈 🍕 🔫 🔌).
+
+📥 👥 ✅ ⚫️ 📧 🎦 🎯.
+
+```Python hl_lines="8"
+{!../../../docs_src/behind_a_proxy/tutorial001.py!}
+```
+
+⤴️, 🚥 👆 ▶️ Uvicorn ⏮️:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --root-path /api/v1
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+📨 🔜 🕳 💖:
+
+```JSON
+{
+ "message": "Hello World",
+ "root_path": "/api/v1"
+}
+```
+
+### ⚒ `root_path` FastAPI 📱
+
+👐, 🚥 👆 🚫 ✔️ 🌌 🚚 📋 ⏸ 🎛 💖 `--root-path` ⚖️ 🌓, 👆 💪 ⚒ `root_path` 🔢 🕐❔ 🏗 👆 FastAPI 📱:
+
+```Python hl_lines="3"
+{!../../../docs_src/behind_a_proxy/tutorial002.py!}
+```
+
+🚶♀️ `root_path` `FastAPI` 🔜 🌓 🚶♀️ `--root-path` 📋 ⏸ 🎛 Uvicorn ⚖️ Hypercorn.
+
+### 🔃 `root_path`
+
+✔️ 🤯 👈 💽 (Uvicorn) 🏆 🚫 ⚙️ 👈 `root_path` 🕳 🙆 🌘 🚶♀️ ⚫️ 📱.
+
+✋️ 🚥 👆 🚶 ⏮️ 👆 🖥 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000/app</a> 👆 🔜 👀 😐 📨:
+
+```JSON
+{
+ "message": "Hello World",
+ "root_path": "/api/v1"
+}
+```
+
+, ⚫️ 🏆 🚫 ⌛ 🔐 `http://127.0.0.1:8000/api/v1/app`.
+
+Uvicorn 🔜 ⌛ 🗳 🔐 Uvicorn `http://127.0.0.1:8000/app`, & ⤴️ ⚫️ 🔜 🗳 🎯 🚮 ➕ `/api/v1` 🔡 🔛 🔝.
+
+## 🔃 🗳 ⏮️ 🎞 ➡ 🔡
+
+✔️ 🤯 👈 🗳 ⏮️ 🎞 ➡ 🔡 🕴 1️⃣ 🌌 🔗 ⚫️.
+
+🎲 📚 💼 🔢 🔜 👈 🗳 🚫 ✔️ 🏚 ➡ 🔡.
+
+💼 💖 👈 (🍵 🎞 ➡ 🔡), 🗳 🔜 👂 🔛 🕳 💖 `https://myawesomeapp.com`, & ⤴️ 🚥 🖥 🚶 `https://myawesomeapp.com/api/v1/app` & 👆 💽 (✅ Uvicorn) 👂 🔛 `http://127.0.0.1:8000` 🗳 (🍵 🎞 ➡ 🔡) 🔜 🔐 Uvicorn 🎏 ➡: `http://127.0.0.1:8000/api/v1/app`.
+
+## 🔬 🌐 ⏮️ Traefik
+
+👆 💪 💪 🏃 🥼 🌐 ⏮️ 🎞 ➡ 🔡 ⚙️ <a href="https://docs.traefik.io/" class="external-link" target="_blank">Traefik</a>.
+
+<a href="https://github.com/containous/traefik/releases" class="external-link" target="_blank">⏬ Traefik</a>, ⚫️ 👁 💱, 👆 💪 ⚗ 🗜 📁 & 🏃 ⚫️ 🔗 ⚪️➡️ 📶.
+
+⤴️ ✍ 📁 `traefik.toml` ⏮️:
+
+```TOML hl_lines="3"
+[entryPoints]
+ [entryPoints.http]
+ address = ":9999"
+
+[providers]
+ [providers.file]
+ filename = "routes.toml"
+```
+
+👉 💬 Traefik 👂 🔛 ⛴ 9️⃣9️⃣9️⃣9️⃣ & ⚙️ ➕1️⃣ 📁 `routes.toml`.
+
+!!! tip
+ 👥 ⚙️ ⛴ 9️⃣9️⃣9️⃣9️⃣ ↩️ 🐩 🇺🇸🔍 ⛴ 8️⃣0️⃣ 👈 👆 🚫 ✔️ 🏃 ⚫️ ⏮️ 📡 (`sudo`) 😌.
+
+🔜 ✍ 👈 🎏 📁 `routes.toml`:
+
+```TOML hl_lines="5 12 20"
+[http]
+ [http.middlewares]
+
+ [http.middlewares.api-stripprefix.stripPrefix]
+ prefixes = ["/api/v1"]
+
+ [http.routers]
+
+ [http.routers.app-http]
+ entryPoints = ["http"]
+ service = "app"
+ rule = "PathPrefix(`/api/v1`)"
+ middlewares = ["api-stripprefix"]
+
+ [http.services]
+
+ [http.services.app]
+ [http.services.app.loadBalancer]
+ [[http.services.app.loadBalancer.servers]]
+ url = "http://127.0.0.1:8000"
+```
+
+👉 📁 🔗 Traefik ⚙️ ➡ 🔡 `/api/v1`.
+
+& ⤴️ ⚫️ 🔜 ❎ 🚮 📨 👆 Uvicorn 🏃♂ 🔛 `http://127.0.0.1:8000`.
+
+🔜 ▶️ Traefik:
+
+<div class="termy">
+
+```console
+$ ./traefik --configFile=traefik.toml
+
+INFO[0000] Configuration loaded from file: /home/user/awesomeapi/traefik.toml
+```
+
+</div>
+
+& 🔜 ▶️ 👆 📱 ⏮️ Uvicorn, ⚙️ `--root-path` 🎛:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --root-path /api/v1
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+### ✅ 📨
+
+🔜, 🚥 👆 🚶 📛 ⏮️ ⛴ Uvicorn: <a href="http://127.0.0.1:8000/app" class="external-link" target="_blank">http://127.0.0.1:8000/app</a>, 👆 🔜 👀 😐 📨:
+
+```JSON
+{
+ "message": "Hello World",
+ "root_path": "/api/v1"
+}
+```
+
+!!! tip
+ 👀 👈 ✋️ 👆 🔐 ⚫️ `http://127.0.0.1:8000/app` ⚫️ 🎦 `root_path` `/api/v1`, ✊ ⚪️➡️ 🎛 `--root-path`.
+
+& 🔜 📂 📛 ⏮️ ⛴ Traefik, ✅ ➡ 🔡: <a href="http://127.0.0.1:9999/api/v1/app" class="external-link" target="_blank">http://127.0.0.1:9999/api/v1/app</a>.
+
+👥 🤚 🎏 📨:
+
+```JSON
+{
+ "message": "Hello World",
+ "root_path": "/api/v1"
+}
+```
+
+✋️ 👉 🕰 📛 ⏮️ 🔡 ➡ 🚚 🗳: `/api/v1`.
+
+↗️, 💭 📥 👈 👱 🔜 🔐 📱 🔘 🗳, ⏬ ⏮️ ➡ 🔡 `/app/v1` "☑" 1️⃣.
+
+& ⏬ 🍵 ➡ 🔡 (`http://127.0.0.1:8000/app`), 🚚 Uvicorn 🔗, 🔜 🎯 _🗳_ (Traefik) 🔐 ⚫️.
+
+👈 🎦 ❔ 🗳 (Traefik) ⚙️ ➡ 🔡 & ❔ 💽 (Uvicorn) ⚙️ `root_path` ⚪️➡️ 🎛 `--root-path`.
+
+### ✅ 🩺 🎚
+
+✋️ 📥 🎊 🍕. 👶
+
+"🛂" 🌌 🔐 📱 🔜 🔘 🗳 ⏮️ ➡ 🔡 👈 👥 🔬. , 👥 🔜 ⌛, 🚥 👆 🔄 🩺 🎚 🍦 Uvicorn 🔗, 🍵 ➡ 🔡 📛, ⚫️ 🏆 🚫 👷, ↩️ ⚫️ ⌛ 🔐 🔘 🗳.
+
+👆 💪 ✅ ⚫️ <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>:
+
+<img src="/img/tutorial/behind-a-proxy/image01.png">
+
+✋️ 🚥 👥 🔐 🩺 🎚 "🛂" 📛 ⚙️ 🗳 ⏮️ ⛴ `9999`, `/api/v1/docs`, ⚫️ 👷 ☑ ❗ 👶
+
+👆 💪 ✅ ⚫️ <a href="http://127.0.0.1:9999/api/v1/docs" class="external-link" target="_blank">http://127.0.0.1:9999/api/v1/docs</a>:
+
+<img src="/img/tutorial/behind-a-proxy/image02.png">
+
+▶️️ 👥 💚 ⚫️. 👶 👶
+
+👉 ↩️ FastAPI ⚙️ 👉 `root_path` ✍ 🔢 `server` 🗄 ⏮️ 📛 🚚 `root_path`.
+
+## 🌖 💽
+
+!!! warning
+ 👉 🌅 🏧 ⚙️ 💼. 💭 🆓 🚶 ⚫️.
+
+🔢, **FastAPI** 🔜 ✍ `server` 🗄 🔗 ⏮️ 📛 `root_path`.
+
+✋️ 👆 💪 🚚 🎏 🎛 `servers`, 🖼 🚥 👆 💚 *🎏* 🩺 🎚 🔗 ⏮️ 🏗 & 🏭 🌐.
+
+🚥 👆 🚶♀️ 🛃 📇 `servers` & 📤 `root_path` (↩️ 👆 🛠️ 👨❤👨 ⛅ 🗳), **FastAPI** 🔜 📩 "💽" ⏮️ 👉 `root_path` ▶️ 📇.
+
+🖼:
+
+```Python hl_lines="4-7"
+{!../../../docs_src/behind_a_proxy/tutorial003.py!}
+```
+
+🔜 🏗 🗄 🔗 💖:
+
+```JSON hl_lines="5-7"
+{
+ "openapi": "3.0.2",
+ // More stuff here
+ "servers": [
+ {
+ "url": "/api/v1"
+ },
+ {
+ "url": "https://stag.example.com",
+ "description": "Staging environment"
+ },
+ {
+ "url": "https://prod.example.com",
+ "description": "Production environment"
+ }
+ ],
+ "paths": {
+ // More stuff here
+ }
+}
+```
+
+!!! tip
+ 👀 🚘-🏗 💽 ⏮️ `url` 💲 `/api/v1`, ✊ ⚪️➡️ `root_path`.
+
+🩺 🎚 <a href="http://127.0.0.1:9999/api/v1/docs" class="external-link" target="_blank">http://127.0.0.1:9999/api/v1/docs</a> ⚫️ 🔜 👀 💖:
+
+<img src="/img/tutorial/behind-a-proxy/image03.png">
+
+!!! tip
+ 🩺 🎚 🔜 🔗 ⏮️ 💽 👈 👆 🖊.
+
+### ❎ 🏧 💽 ⚪️➡️ `root_path`
+
+🚥 👆 🚫 💚 **FastAPI** 🔌 🏧 💽 ⚙️ `root_path`, 👆 💪 ⚙️ 🔢 `root_path_in_servers=False`:
+
+```Python hl_lines="9"
+{!../../../docs_src/behind_a_proxy/tutorial004.py!}
+```
+
+& ⤴️ ⚫️ 🏆 🚫 🔌 ⚫️ 🗄 🔗.
+
+## 🗜 🎧-🈸
+
+🚥 👆 💪 🗻 🎧-🈸 (🔬 [🎧 🈸 - 🗻](./sub-applications.md){.internal-link target=_blank}) ⏪ ⚙️ 🗳 ⏮️ `root_path`, 👆 💪 ⚫️ 🛎, 👆 🔜 ⌛.
+
+FastAPI 🔜 🔘 ⚙️ `root_path` 🎆, ⚫️ 🔜 👷. 👶
--- /dev/null
+# 🎲 🗄
+
+🚥 👆 💪, 👆 💪 ⚙️ ⚒ & 🌐 🔢 🔗 🗄 ✔ ⚓️ 🔛 🌐, & ❎ ⚫️ 🍕.
+
+## 🔃 💂♂, 🔗, & 🩺
+
+🕵♂ 👆 🧾 👩💻 🔢 🏭 *🚫🔜 🚫* 🌌 🛡 👆 🛠️.
+
+👈 🚫 🚮 🙆 ➕ 💂♂ 👆 🛠️, *➡ 🛠️* 🔜 💪 🌐❔ 👫.
+
+🚥 📤 💂♂ ⚠ 👆 📟, ⚫️ 🔜 🔀.
+
+🕵♂ 🧾 ⚒ ⚫️ 🌅 ⚠ 🤔 ❔ 🔗 ⏮️ 👆 🛠️, & 💪 ⚒ ⚫️ 🌅 ⚠ 👆 ℹ ⚫️ 🏭. ⚫️ 💪 🤔 🎯 📨 <a href="https://en.wikipedia.org/wiki/Security_through_obscurity" class="external-link" target="_blank">💂♂ 🔘 🌌</a>.
+
+🚥 👆 💚 🔐 👆 🛠️, 📤 📚 👍 👜 👆 💪, 🖼:
+
+* ⚒ 💭 👆 ✔️ 👍 🔬 Pydantic 🏷 👆 📨 💪 & 📨.
+* 🔗 🙆 ✔ ✔ & 🔑 ⚙️ 🔗.
+* 🙅 🏪 🔢 🔐, 🕴 🔐#️⃣.
+* 🛠️ & ⚙️ 👍-💭 🔐 🧰, 💖 🇸🇲 & 🥙 🤝, ♒️.
+* 🚮 🌅 🧽 ✔ 🎛 ⏮️ Oauth2️⃣ ↔ 🌐❔ 💪.
+* ...♒️.
+
+👐, 👆 5️⃣📆 ✔️ 📶 🎯 ⚙️ 💼 🌐❔ 👆 🤙 💪 ❎ 🛠️ 🩺 🌐 (✅ 🏭) ⚖️ ⚓️ 🔛 📳 ⚪️➡️ 🌐 🔢.
+
+## 🎲 🗄 ⚪️➡️ ⚒ & 🇨🇻 {
+
+👆 💪 💪 ⚙️ 🎏 Pydantic ⚒ 🔗 👆 🏗 🗄 & 🩺 ⚜.
+
+🖼:
+
+```Python hl_lines="6 11"
+{!../../../docs_src/conditional_openapi/tutorial001.py!}
+```
+
+📥 👥 📣 ⚒ `openapi_url` ⏮️ 🎏 🔢 `"/openapi.json"`.
+
+& ⤴️ 👥 ⚙️ ⚫️ 🕐❔ 🏗 `FastAPI` 📱.
+
+⤴️ 👆 💪 ❎ 🗄 (✅ 🎚 🩺) ⚒ 🌐 🔢 `OPENAPI_URL` 🛁 🎻, 💖:
+
+<div class="termy">
+
+```console
+$ OPENAPI_URL= uvicorn main:app
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+⤴️ 🚥 👆 🚶 📛 `/openapi.json`, `/docs`, ⚖️ `/redoc` 👆 🔜 🤚 `404 Not Found` ❌ 💖:
+
+```JSON
+{
+ "detail": "Not Found"
+}
+```
--- /dev/null
+# 🛃 📨 & APIRoute 🎓
+
+💼, 👆 5️⃣📆 💚 🔐 ⚛ ⚙️ `Request` & `APIRoute` 🎓.
+
+🎯, 👉 5️⃣📆 👍 🎛 ⚛ 🛠️.
+
+🖼, 🚥 👆 💚 ✍ ⚖️ 🔬 📨 💪 ⏭ ⚫️ 🛠️ 👆 🈸.
+
+!!! danger
+ 👉 "🏧" ⚒.
+
+ 🚥 👆 ▶️ ⏮️ **FastAPI** 👆 💪 💚 🚶 👉 📄.
+
+## ⚙️ 💼
+
+⚙️ 💼 🔌:
+
+* 🏭 🚫-🎻 📨 💪 🎻 (✅ <a href="https://msgpack.org/index.html" class="external-link" target="_blank">`msgpack`</a>).
+* 🗜 🗜-🗜 📨 💪.
+* 🔁 🚨 🌐 📨 💪.
+
+## 🚚 🛃 📨 💪 🔢
+
+➡️ 👀 ❔ ⚒ ⚙️ 🛃 `Request` 🏿 🗜 🗜 📨.
+
+& `APIRoute` 🏿 ⚙️ 👈 🛃 📨 🎓.
+
+### ✍ 🛃 `GzipRequest` 🎓
+
+!!! tip
+ 👉 🧸 🖼 🎦 ❔ ⚫️ 👷, 🚥 👆 💪 🗜 🐕🦺, 👆 💪 ⚙️ 🚚 [`GzipMiddleware`](./middleware.md#gzipmiddleware){.internal-link target=_blank}.
+
+🥇, 👥 ✍ `GzipRequest` 🎓, ❔ 🔜 📁 `Request.body()` 👩🔬 🗜 💪 🔍 ☑ 🎚.
+
+🚥 📤 🙅♂ `gzip` 🎚, ⚫️ 🔜 🚫 🔄 🗜 💪.
+
+👈 🌌, 🎏 🛣 🎓 💪 🍵 🗜 🗜 ⚖️ 🗜 📨.
+
+```Python hl_lines="8-15"
+{!../../../docs_src/custom_request_and_route/tutorial001.py!}
+```
+
+### ✍ 🛃 `GzipRoute` 🎓
+
+⏭, 👥 ✍ 🛃 🏿 `fastapi.routing.APIRoute` 👈 🔜 ⚒ ⚙️ `GzipRequest`.
+
+👉 🕰, ⚫️ 🔜 📁 👩🔬 `APIRoute.get_route_handler()`.
+
+👉 👩🔬 📨 🔢. & 👈 🔢 ⚫️❔ 🔜 📨 📨 & 📨 📨.
+
+📥 👥 ⚙️ ⚫️ ✍ `GzipRequest` ⚪️➡️ ⏮️ 📨.
+
+```Python hl_lines="18-26"
+{!../../../docs_src/custom_request_and_route/tutorial001.py!}
+```
+
+!!! note "📡 ℹ"
+ `Request` ✔️ `request.scope` 🔢, 👈 🐍 `dict` ⚗ 🗃 🔗 📨.
+
+ `Request` ✔️ `request.receive`, 👈 🔢 "📨" 💪 📨.
+
+ `scope` `dict` & `receive` 🔢 👯♂️ 🍕 🔫 🔧.
+
+ & 👈 2️⃣ 👜, `scope` & `receive`, ⚫️❔ 💪 ✍ 🆕 `Request` 👐.
+
+ 💡 🌅 🔃 `Request` ✅ <a href="https://www.starlette.io/requests/" class="external-link" target="_blank">💃 🩺 🔃 📨</a>.
+
+🕴 👜 🔢 📨 `GzipRequest.get_route_handler` 🔨 🎏 🗜 `Request` `GzipRequest`.
+
+🔨 👉, 👆 `GzipRequest` 🔜 ✊ 💅 🗜 📊 (🚥 💪) ⏭ 🚶♀️ ⚫️ 👆 *➡ 🛠️*.
+
+⏮️ 👈, 🌐 🏭 ⚛ 🎏.
+
+✋️ ↩️ 👆 🔀 `GzipRequest.body`, 📨 💪 🔜 🔁 🗜 🕐❔ ⚫️ 📐 **FastAPI** 🕐❔ 💪.
+
+## 🔐 📨 💪 ⚠ 🐕🦺
+
+!!! tip
+ ❎ 👉 🎏 ⚠, ⚫️ 🎲 📚 ⏩ ⚙️ `body` 🛃 🐕🦺 `RequestValidationError` ([🚚 ❌](../tutorial/handling-errors.md#use-the-requestvalidationerror-body){.internal-link target=_blank}).
+
+ ✋️ 👉 🖼 ☑ & ⚫️ 🎦 ❔ 🔗 ⏮️ 🔗 🦲.
+
+👥 💪 ⚙️ 👉 🎏 🎯 🔐 📨 💪 ⚠ 🐕🦺.
+
+🌐 👥 💪 🍵 📨 🔘 `try`/`except` 🍫:
+
+```Python hl_lines="13 15"
+{!../../../docs_src/custom_request_and_route/tutorial002.py!}
+```
+
+🚥 ⚠ 📉, `Request` 👐 🔜 ↔, 👥 💪 ✍ & ⚒ ⚙️ 📨 💪 🕐❔ 🚚 ❌:
+
+```Python hl_lines="16-18"
+{!../../../docs_src/custom_request_and_route/tutorial002.py!}
+```
+
+## 🛃 `APIRoute` 🎓 📻
+
+👆 💪 ⚒ `route_class` 🔢 `APIRouter`:
+
+```Python hl_lines="26"
+{!../../../docs_src/custom_request_and_route/tutorial003.py!}
+```
+
+👉 🖼, *➡ 🛠️* 🔽 `router` 🔜 ⚙️ 🛃 `TimedRoute` 🎓, & 🔜 ✔️ ➕ `X-Response-Time` 🎚 📨 ⏮️ 🕰 ⚫️ ✊ 🏗 📨:
+
+```Python hl_lines="13-20"
+{!../../../docs_src/custom_request_and_route/tutorial003.py!}
+```
--- /dev/null
+# 🛃 📨 - 🕸, 🎏, 📁, 🎏
+
+🔢, **FastAPI** 🔜 📨 📨 ⚙️ `JSONResponse`.
+
+👆 💪 🔐 ⚫️ 🛬 `Response` 🔗 👀 [📨 📨 🔗](response-directly.md){.internal-link target=_blank}.
+
+✋️ 🚥 👆 📨 `Response` 🔗, 📊 🏆 🚫 🔁 🗜, & 🧾 🏆 🚫 🔁 🏗 (🖼, 🔌 🎯 "📻 🆎", 🇺🇸🔍 🎚 `Content-Type` 🍕 🏗 🗄).
+
+✋️ 👆 💪 📣 `Response` 👈 👆 💚 ⚙️, *➡ 🛠️ 👨🎨*.
+
+🎚 👈 👆 📨 ⚪️➡️ 👆 *➡ 🛠️ 🔢* 🔜 🚮 🔘 👈 `Response`.
+
+& 🚥 👈 `Response` ✔️ 🎻 📻 🆎 (`application/json`), 💖 💼 ⏮️ `JSONResponse` & `UJSONResponse`, 💽 👆 📨 🔜 🔁 🗜 (& ⛽) ⏮️ 🙆 Pydantic `response_model` 👈 👆 📣 *➡ 🛠️ 👨🎨*.
+
+!!! note
+ 🚥 👆 ⚙️ 📨 🎓 ⏮️ 🙅♂ 📻 🆎, FastAPI 🔜 ⌛ 👆 📨 ✔️ 🙅♂ 🎚, ⚫️ 🔜 🚫 📄 📨 📁 🚮 🏗 🗄 🩺.
+
+## ⚙️ `ORJSONResponse`
+
+🖼, 🚥 👆 ✊ 🎭, 👆 💪 ❎ & ⚙️ <a href="https://github.com/ijl/orjson" class="external-link" target="_blank">`orjson`</a> & ⚒ 📨 `ORJSONResponse`.
+
+🗄 `Response` 🎓 (🎧-🎓) 👆 💚 ⚙️ & 📣 ⚫️ *➡ 🛠️ 👨🎨*.
+
+⭕ 📨, 📨 `Response` 🔗 🌅 ⏩ 🌘 🛬 📖.
+
+👉 ↩️ 🔢, FastAPI 🔜 ✔ 🔠 🏬 🔘 & ⚒ 💭 ⚫️ 🎻 ⏮️ 🎻, ⚙️ 🎏 [🎻 🔗 🔢](../tutorial/encoder.md){.internal-link target=_blank} 🔬 🔰. 👉 ⚫️❔ ✔ 👆 📨 **❌ 🎚**, 🖼 💽 🏷.
+
+✋️ 🚥 👆 🎯 👈 🎚 👈 👆 🛬 **🎻 ⏮️ 🎻**, 👆 💪 🚶♀️ ⚫️ 🔗 📨 🎓 & ❎ ➕ 🌥 👈 FastAPI 🔜 ✔️ 🚶♀️ 👆 📨 🎚 🔘 `jsonable_encoder` ⏭ 🚶♀️ ⚫️ 📨 🎓.
+
+```Python hl_lines="2 7"
+{!../../../docs_src/custom_response/tutorial001b.py!}
+```
+
+!!! info
+ 🔢 `response_class` 🔜 ⚙️ 🔬 "📻 🆎" 📨.
+
+ 👉 💼, 🇺🇸🔍 🎚 `Content-Type` 🔜 ⚒ `application/json`.
+
+ & ⚫️ 🔜 📄 ✅ 🗄.
+
+!!! tip
+ `ORJSONResponse` ⏳ 🕴 💪 FastAPI, 🚫 💃.
+
+## 🕸 📨
+
+📨 📨 ⏮️ 🕸 🔗 ⚪️➡️ **FastAPI**, ⚙️ `HTMLResponse`.
+
+* 🗄 `HTMLResponse`.
+* 🚶♀️ `HTMLResponse` 🔢 `response_class` 👆 *➡ 🛠️ 👨🎨*.
+
+```Python hl_lines="2 7"
+{!../../../docs_src/custom_response/tutorial002.py!}
+```
+
+!!! info
+ 🔢 `response_class` 🔜 ⚙️ 🔬 "📻 🆎" 📨.
+
+ 👉 💼, 🇺🇸🔍 🎚 `Content-Type` 🔜 ⚒ `text/html`.
+
+ & ⚫️ 🔜 📄 ✅ 🗄.
+
+### 📨 `Response`
+
+👀 [📨 📨 🔗](response-directly.md){.internal-link target=_blank}, 👆 💪 🔐 📨 🔗 👆 *➡ 🛠️*, 🛬 ⚫️.
+
+🎏 🖼 ⚪️➡️ 🔛, 🛬 `HTMLResponse`, 💪 👀 💖:
+
+```Python hl_lines="2 7 19"
+{!../../../docs_src/custom_response/tutorial003.py!}
+```
+
+!!! warning
+ `Response` 📨 🔗 👆 *➡ 🛠️ 🔢* 🏆 🚫 📄 🗄 (🖼, `Content-Type` 🏆 🚫 📄) & 🏆 🚫 ⭐ 🏧 🎓 🩺.
+
+!!! info
+ ↗️, ☑ `Content-Type` 🎚, 👔 📟, ♒️, 🔜 👟 ⚪️➡️ `Response` 🎚 👆 📨.
+
+### 📄 🗄 & 🔐 `Response`
+
+🚥 👆 💚 🔐 📨 ⚪️➡️ 🔘 🔢 ✋️ 🎏 🕰 📄 "📻 🆎" 🗄, 👆 💪 ⚙️ `response_class` 🔢 & 📨 `Response` 🎚.
+
+`response_class` 🔜 ⤴️ ⚙️ 🕴 📄 🗄 *➡ 🛠️*, ✋️ 👆 `Response` 🔜 ⚙️.
+
+#### 📨 `HTMLResponse` 🔗
+
+🖼, ⚫️ 💪 🕳 💖:
+
+```Python hl_lines="7 21 23"
+{!../../../docs_src/custom_response/tutorial004.py!}
+```
+
+👉 🖼, 🔢 `generate_html_response()` ⏪ 🏗 & 📨 `Response` ↩️ 🛬 🕸 `str`.
+
+🛬 🏁 🤙 `generate_html_response()`, 👆 ⏪ 🛬 `Response` 👈 🔜 🔐 🔢 **FastAPI** 🎭.
+
+✋️ 👆 🚶♀️ `HTMLResponse` `response_class` 💁♂️, **FastAPI** 🔜 💭 ❔ 📄 ⚫️ 🗄 & 🎓 🩺 🕸 ⏮️ `text/html`:
+
+<img src="/img/tutorial/custom-response/image01.png">
+
+## 💪 📨
+
+📥 💪 📨.
+
+✔️ 🤯 👈 👆 💪 ⚙️ `Response` 📨 🕳 🙆, ⚖️ ✍ 🛃 🎧-🎓.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import HTMLResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃.
+
+### `Response`
+
+👑 `Response` 🎓, 🌐 🎏 📨 😖 ⚪️➡️ ⚫️.
+
+👆 💪 📨 ⚫️ 🔗.
+
+⚫️ 🚫 📄 🔢:
+
+* `content` - `str` ⚖️ `bytes`.
+* `status_code` - `int` 🇺🇸🔍 👔 📟.
+* `headers` - `dict` 🎻.
+* `media_type` - `str` 🤝 📻 🆎. 🤶 Ⓜ. `"text/html"`.
+
+FastAPI (🤙 💃) 🔜 🔁 🔌 🎚-📐 🎚. ⚫️ 🔜 🔌 🎚-🆎 🎚, ⚓️ 🔛 = & 🔁 = ✍ 🆎.
+
+```Python hl_lines="1 18"
+{!../../../docs_src/response_directly/tutorial002.py!}
+```
+
+### `HTMLResponse`
+
+✊ ✍ ⚖️ 🔢 & 📨 🕸 📨, 👆 ✍ 🔛.
+
+### `PlainTextResponse`
+
+✊ ✍ ⚖️ 🔢 & 📨 ✅ ✍ 📨.
+
+```Python hl_lines="2 7 9"
+{!../../../docs_src/custom_response/tutorial005.py!}
+```
+
+### `JSONResponse`
+
+✊ 💽 & 📨 `application/json` 🗜 📨.
+
+👉 🔢 📨 ⚙️ **FastAPI**, 👆 ✍ 🔛.
+
+### `ORJSONResponse`
+
+⏩ 🎛 🎻 📨 ⚙️ <a href="https://github.com/ijl/orjson" class="external-link" target="_blank">`orjson`</a>, 👆 ✍ 🔛.
+
+### `UJSONResponse`
+
+🎛 🎻 📨 ⚙️ <a href="https://github.com/ultrajson/ultrajson" class="external-link" target="_blank">`ujson`</a>.
+
+!!! warning
+ `ujson` 🌘 💛 🌘 🐍 🏗-🛠️ ❔ ⚫️ 🍵 📐-💼.
+
+```Python hl_lines="2 7"
+{!../../../docs_src/custom_response/tutorial001.py!}
+```
+
+!!! tip
+ ⚫️ 💪 👈 `ORJSONResponse` 💪 ⏩ 🎛.
+
+### `RedirectResponse`
+
+📨 🇺🇸🔍 ❎. ⚙️ 3️⃣0️⃣7️⃣ 👔 📟 (🍕 ❎) 🔢.
+
+👆 💪 📨 `RedirectResponse` 🔗:
+
+```Python hl_lines="2 9"
+{!../../../docs_src/custom_response/tutorial006.py!}
+```
+
+---
+
+⚖️ 👆 💪 ⚙️ ⚫️ `response_class` 🔢:
+
+
+```Python hl_lines="2 7 9"
+{!../../../docs_src/custom_response/tutorial006b.py!}
+```
+
+🚥 👆 👈, ⤴️ 👆 💪 📨 📛 🔗 ⚪️➡️ 👆 *➡ 🛠️* 🔢.
+
+👉 💼, `status_code` ⚙️ 🔜 🔢 1️⃣ `RedirectResponse`, ❔ `307`.
+
+---
+
+👆 💪 ⚙️ `status_code` 🔢 🌀 ⏮️ `response_class` 🔢:
+
+```Python hl_lines="2 7 9"
+{!../../../docs_src/custom_response/tutorial006c.py!}
+```
+
+### `StreamingResponse`
+
+✊ 🔁 🚂 ⚖️ 😐 🚂/🎻 & 🎏 📨 💪.
+
+```Python hl_lines="2 14"
+{!../../../docs_src/custom_response/tutorial007.py!}
+```
+
+#### ⚙️ `StreamingResponse` ⏮️ 📁-💖 🎚
+
+🚥 👆 ✔️ 📁-💖 🎚 (✅ 🎚 📨 `open()`), 👆 💪 ✍ 🚂 🔢 🔁 🤭 👈 📁-💖 🎚.
+
+👈 🌌, 👆 🚫 ✔️ ✍ ⚫️ 🌐 🥇 💾, & 👆 💪 🚶♀️ 👈 🚂 🔢 `StreamingResponse`, & 📨 ⚫️.
+
+👉 🔌 📚 🗃 🔗 ⏮️ ☁ 💾, 📹 🏭, & 🎏.
+
+```{ .python .annotate hl_lines="2 10-12 14" }
+{!../../../docs_src/custom_response/tutorial008.py!}
+```
+
+1️⃣. 👉 🚂 🔢. ⚫️ "🚂 🔢" ↩️ ⚫️ 🔌 `yield` 📄 🔘.
+2️⃣. ⚙️ `with` 🍫, 👥 ⚒ 💭 👈 📁-💖 🎚 📪 ⏮️ 🚂 🔢 🔨. , ⏮️ ⚫️ 🏁 📨 📨.
+3️⃣. 👉 `yield from` 💬 🔢 🔁 🤭 👈 👜 🌟 `file_like`. & ⤴️, 🔠 🍕 🔁, 🌾 👈 🍕 👟 ⚪️➡️ 👉 🚂 🔢.
+
+ , ⚫️ 🚂 🔢 👈 📨 "🏭" 👷 🕳 🙆 🔘.
+
+ 🔨 ⚫️ 👉 🌌, 👥 💪 🚮 ⚫️ `with` 🍫, & 👈 🌌, 🚚 👈 ⚫️ 📪 ⏮️ 🏁.
+
+!!! tip
+ 👀 👈 📥 👥 ⚙️ 🐩 `open()` 👈 🚫 🐕🦺 `async` & `await`, 👥 📣 ➡ 🛠️ ⏮️ 😐 `def`.
+
+### `FileResponse`
+
+🔁 🎏 📁 📨.
+
+✊ 🎏 ⚒ ❌ 🔗 🌘 🎏 📨 🆎:
+
+* `path` - 📁 📁 🎏.
+* `headers` - 🙆 🛃 🎚 🔌, 📖.
+* `media_type` - 🎻 🤝 📻 🆎. 🚥 🔢, 📁 ⚖️ ➡ 🔜 ⚙️ 🔑 📻 🆎.
+* `filename` - 🚥 ⚒, 👉 🔜 🔌 📨 `Content-Disposition`.
+
+📁 📨 🔜 🔌 ☑ `Content-Length`, `Last-Modified` & `ETag` 🎚.
+
+```Python hl_lines="2 10"
+{!../../../docs_src/custom_response/tutorial009.py!}
+```
+
+👆 💪 ⚙️ `response_class` 🔢:
+
+```Python hl_lines="2 8 10"
+{!../../../docs_src/custom_response/tutorial009b.py!}
+```
+
+👉 💼, 👆 💪 📨 📁 ➡ 🔗 ⚪️➡️ 👆 *➡ 🛠️* 🔢.
+
+## 🛃 📨 🎓
+
+👆 💪 ✍ 👆 👍 🛃 📨 🎓, 😖 ⚪️➡️ `Response` & ⚙️ ⚫️.
+
+🖼, ➡️ 💬 👈 👆 💚 ⚙️ <a href="https://github.com/ijl/orjson" class="external-link" target="_blank">`orjson`</a>, ✋️ ⏮️ 🛃 ⚒ 🚫 ⚙️ 🔌 `ORJSONResponse` 🎓.
+
+➡️ 💬 👆 💚 ⚫️ 📨 🔂 & 📁 🎻, 👆 💚 ⚙️ Orjson 🎛 `orjson.OPT_INDENT_2`.
+
+👆 💪 ✍ `CustomORJSONResponse`. 👑 👜 👆 ✔️ ✍ `Response.render(content)` 👩🔬 👈 📨 🎚 `bytes`:
+
+```Python hl_lines="9-14 17"
+{!../../../docs_src/custom_response/tutorial009c.py!}
+```
+
+🔜 ↩️ 🛬:
+
+```json
+{"message": "Hello World"}
+```
+
+...👉 📨 🔜 📨:
+
+```json
+{
+ "message": "Hello World"
+}
+```
+
+↗️, 👆 🔜 🎲 🔎 🌅 👍 🌌 ✊ 📈 👉 🌘 ❕ 🎻. 👶
+
+## 🔢 📨 🎓
+
+🕐❔ 🏗 **FastAPI** 🎓 👐 ⚖️ `APIRouter` 👆 💪 ✔ ❔ 📨 🎓 ⚙️ 🔢.
+
+🔢 👈 🔬 👉 `default_response_class`.
+
+🖼 🔛, **FastAPI** 🔜 ⚙️ `ORJSONResponse` 🔢, 🌐 *➡ 🛠️*, ↩️ `JSONResponse`.
+
+```Python hl_lines="2 4"
+{!../../../docs_src/custom_response/tutorial010.py!}
+```
+
+!!! tip
+ 👆 💪 🔐 `response_class` *➡ 🛠️* ⏭.
+
+## 🌖 🧾
+
+👆 💪 📣 📻 🆎 & 📚 🎏 ℹ 🗄 ⚙️ `responses`: [🌖 📨 🗄](additional-responses.md){.internal-link target=_blank}.
--- /dev/null
+# ⚙️ 🎻
+
+FastAPI 🏗 🔛 🔝 **Pydantic**, & 👤 ✔️ 🌏 👆 ❔ ⚙️ Pydantic 🏷 📣 📨 & 📨.
+
+✋️ FastAPI 🐕🦺 ⚙️ <a href="https://docs.python.org/3/library/dataclasses.html" class="external-link" target="_blank">`dataclasses`</a> 🎏 🌌:
+
+```Python hl_lines="1 7-12 19-20"
+{!../../../docs_src/dataclasses/tutorial001.py!}
+```
+
+👉 🐕🦺 👏 **Pydantic**, ⚫️ ✔️ <a href="https://pydantic-docs.helpmanual.io/usage/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">🔗 🐕🦺 `dataclasses`</a>.
+
+, ⏮️ 📟 🔛 👈 🚫 ⚙️ Pydantic 🎯, FastAPI ⚙️ Pydantic 🗜 📚 🐩 🎻 Pydantic 👍 🍛 🎻.
+
+& ↗️, ⚫️ 🐕🦺 🎏:
+
+* 💽 🔬
+* 💽 🛠️
+* 💽 🧾, ♒️.
+
+👉 👷 🎏 🌌 ⏮️ Pydantic 🏷. & ⚫️ 🤙 🏆 🎏 🌌 🔘, ⚙️ Pydantic.
+
+!!! info
+ ✔️ 🤯 👈 🎻 💪 🚫 🌐 Pydantic 🏷 💪.
+
+ , 👆 5️⃣📆 💪 ⚙️ Pydantic 🏷.
+
+ ✋️ 🚥 👆 ✔️ 📚 🎻 🤥 🤭, 👉 👌 🎱 ⚙️ 👫 🏋️ 🕸 🛠️ ⚙️ FastAPI. 👶
+
+## 🎻 `response_model`
+
+👆 💪 ⚙️ `dataclasses` `response_model` 🔢:
+
+```Python hl_lines="1 7-13 19"
+{!../../../docs_src/dataclasses/tutorial002.py!}
+```
+
+🎻 🔜 🔁 🗜 Pydantic 🎻.
+
+👉 🌌, 🚮 🔗 🔜 🎦 🆙 🛠️ 🩺 👩💻 🔢:
+
+<img src="/img/tutorial/dataclasses/image01.png">
+
+## 🎻 🔁 📊 📊
+
+👆 💪 🌀 `dataclasses` ⏮️ 🎏 🆎 ✍ ⚒ 🐦 📊 📊.
+
+💼, 👆 💪 ✔️ ⚙️ Pydantic ⏬ `dataclasses`. 🖼, 🚥 👆 ✔️ ❌ ⏮️ 🔁 🏗 🛠️ 🧾.
+
+👈 💼, 👆 💪 🎯 💱 🐩 `dataclasses` ⏮️ `pydantic.dataclasses`, ❔ 💧-♻:
+
+```{ .python .annotate hl_lines="1 5 8-11 14-17 23-25 28" }
+{!../../../docs_src/dataclasses/tutorial003.py!}
+```
+
+1️⃣. 👥 🗄 `field` ⚪️➡️ 🐩 `dataclasses`.
+
+2️⃣. `pydantic.dataclasses` 💧-♻ `dataclasses`.
+
+3️⃣. `Author` 🎻 🔌 📇 `Item` 🎻.
+
+4️⃣. `Author` 🎻 ⚙️ `response_model` 🔢.
+
+5️⃣. 👆 💪 ⚙️ 🎏 🐩 🆎 ✍ ⏮️ 🎻 📨 💪.
+
+ 👉 💼, ⚫️ 📇 `Item` 🎻.
+
+6️⃣. 📥 👥 🛬 📖 👈 🔌 `items` ❔ 📇 🎻.
+
+ FastAPI 🎯 <abbr title="converting the data to a format that can be transmitted">✍</abbr> 💽 🎻.
+
+7️⃣. 📥 `response_model` ⚙️ 🆎 ✍ 📇 `Author` 🎻.
+
+ 🔄, 👆 💪 🌀 `dataclasses` ⏮️ 🐩 🆎 ✍.
+
+8️⃣. 👀 👈 👉 *➡ 🛠️ 🔢* ⚙️ 🥔 `def` ↩️ `async def`.
+
+ 🕧, FastAPI 👆 💪 🌀 `def` & `async def` 💪.
+
+ 🚥 👆 💪 ↗️ 🔃 🕐❔ ⚙️ ❔, ✅ 👅 📄 _"🏃 ❓" _ 🩺 🔃 <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank" class="internal-link">`async` & `await`</a>.
+
+9️⃣. 👉 *➡ 🛠️ 🔢* 🚫 🛬 🎻 (👐 ⚫️ 💪), ✋️ 📇 📖 ⏮️ 🔗 💽.
+
+ FastAPI 🔜 ⚙️ `response_model` 🔢 (👈 🔌 🎻) 🗜 📨.
+
+👆 💪 🌀 `dataclasses` ⏮️ 🎏 🆎 ✍ 📚 🎏 🌀 📨 🏗 📊 📊.
+
+✅-📟 ✍ 💁♂ 🔛 👀 🌅 🎯 ℹ.
+
+## 💡 🌅
+
+👆 💪 🌀 `dataclasses` ⏮️ 🎏 Pydantic 🏷, 😖 ⚪️➡️ 👫, 🔌 👫 👆 👍 🏷, ♒️.
+
+💡 🌅, ✅ <a href="https://pydantic-docs.helpmanual.io/usage/dataclasses/" class="external-link" target="_blank">Pydantic 🩺 🔃 🎻</a>.
+
+## ⏬
+
+👉 💪 ↩️ FastAPI ⏬ `0.67.0`. 👶
--- /dev/null
+# 🔆 🎉
+
+👆 💪 🔬 ⚛ (📟) 👈 🔜 🛠️ ⏭ 🈸 **▶️ 🆙**. 👉 ⛓ 👈 👉 📟 🔜 🛠️ **🕐**, **⏭** 🈸 **▶️ 📨 📨**.
+
+🎏 🌌, 👆 💪 🔬 ⚛ (📟) 👈 🔜 🛠️ 🕐❔ 🈸 **🤫 🔽**. 👉 💼, 👉 📟 🔜 🛠️ **🕐**, **⏮️** ✔️ 🍵 🎲 **📚 📨**.
+
+↩️ 👉 📟 🛠️ ⏭ 🈸 **▶️** ✊ 📨, & ▶️️ ⏮️ ⚫️ **🏁** 🚚 📨, ⚫️ 📔 🎂 🈸 **🔆** (🔤 "🔆" 🔜 ⚠ 🥈 👶).
+
+👉 💪 📶 ⚠ ⚒ 🆙 **ℹ** 👈 👆 💪 ⚙️ 🎂 📱, & 👈 **💰** 👪 📨, &/⚖️ 👈 👆 💪 **🧹 🆙** ⏮️. 🖼, 💽 🔗 🎱, ⚖️ 🚚 🔗 🎰 🏫 🏷.
+
+## ⚙️ 💼
+
+➡️ ▶️ ⏮️ 🖼 **⚙️ 💼** & ⤴️ 👀 ❔ ❎ ⚫️ ⏮️ 👉.
+
+➡️ 🌈 👈 👆 ✔️ **🎰 🏫 🏷** 👈 👆 💚 ⚙️ 🍵 📨. 👶
+
+🎏 🏷 🔗 👪 📨,, ⚫️ 🚫 1️⃣ 🏷 📍 📨, ⚖️ 1️⃣ 📍 👩💻 ⚖️ 🕳 🎏.
+
+➡️ 🌈 👈 🚚 🏷 💪 **✊ 🕰**, ↩️ ⚫️ ✔️ ✍ 📚 **💽 ⚪️➡️ 💾**. 👆 🚫 💚 ⚫️ 🔠 📨.
+
+👆 💪 📐 ⚫️ 🔝 🎚 🕹/📁, ✋️ 👈 🔜 ⛓ 👈 ⚫️ 🔜 **📐 🏷** 🚥 👆 🏃♂ 🙅 🏧 💯, ⤴️ 👈 💯 🔜 **🐌** ↩️ ⚫️ 🔜 ✔️ ⌛ 🏷 📐 ⏭ 💆♂ 💪 🏃 🔬 🍕 📟.
+
+👈 ⚫️❔ 👥 🔜 ❎, ➡️ 📐 🏷 ⏭ 📨 🍵, ✋️ 🕴 ▶️️ ⏭ 🈸 ▶️ 📨 📨, 🚫 ⏪ 📟 ➖ 📐.
+
+## 🔆
+
+👆 💪 🔬 👉 *🕴* & *🤫* ⚛ ⚙️ `lifespan` 🔢 `FastAPI` 📱, & "🔑 👨💼" (👤 🔜 🎦 👆 ⚫️❔ 👈 🥈).
+
+➡️ ▶️ ⏮️ 🖼 & ⤴️ 👀 ⚫️ ℹ.
+
+👥 ✍ 🔁 🔢 `lifespan()` ⏮️ `yield` 💖 👉:
+
+```Python hl_lines="16 19"
+{!../../../docs_src/events/tutorial003.py!}
+```
+
+📥 👥 ⚖ 😥 *🕴* 🛠️ 🚚 🏷 🚮 (❌) 🏷 🔢 📖 ⏮️ 🎰 🏫 🏷 ⏭ `yield`. 👉 📟 🔜 🛠️ **⏭** 🈸 **▶️ ✊ 📨**, ⏮️ *🕴*.
+
+& ⤴️, ▶️️ ⏮️ `yield`, 👥 🚚 🏷. 👉 📟 🔜 🛠️ **⏮️** 🈸 **🏁 🚚 📨**, ▶️️ ⏭ *🤫*. 👉 💪, 🖼, 🚀 ℹ 💖 💾 ⚖️ 💻.
+
+!!! tip
+ `shutdown` 🔜 🔨 🕐❔ 👆 **⛔️** 🈸.
+
+ 🎲 👆 💪 ▶️ 🆕 ⏬, ⚖️ 👆 🤚 🎡 🏃 ⚫️. 🤷
+
+### 🔆 🔢
+
+🥇 👜 👀, 👈 👥 ⚖ 🔁 🔢 ⏮️ `yield`. 👉 📶 🎏 🔗 ⏮️ `yield`.
+
+```Python hl_lines="14-19"
+{!../../../docs_src/events/tutorial003.py!}
+```
+
+🥇 🍕 🔢, ⏭ `yield`, 🔜 🛠️ **⏭** 🈸 ▶️.
+
+& 🍕 ⏮️ `yield` 🔜 🛠️ **⏮️** 🈸 ✔️ 🏁.
+
+### 🔁 🔑 👨💼
+
+🚥 👆 ✅, 🔢 🎀 ⏮️ `@asynccontextmanager`.
+
+👈 🗜 🔢 🔘 🕳 🤙 "**🔁 🔑 👨💼**".
+
+```Python hl_lines="1 13"
+{!../../../docs_src/events/tutorial003.py!}
+```
+
+**🔑 👨💼** 🐍 🕳 👈 👆 💪 ⚙️ `with` 📄, 🖼, `open()` 💪 ⚙️ 🔑 👨💼:
+
+```Python
+with open("file.txt") as file:
+ file.read()
+```
+
+⏮️ ⏬ 🐍, 📤 **🔁 🔑 👨💼**. 👆 🔜 ⚙️ ⚫️ ⏮️ `async with`:
+
+```Python
+async with lifespan(app):
+ await do_stuff()
+```
+
+🕐❔ 👆 ✍ 🔑 👨💼 ⚖️ 🔁 🔑 👨💼 💖 🔛, ⚫️❔ ⚫️ 🔨 👈, ⏭ 🛬 `with` 🍫, ⚫️ 🔜 🛠️ 📟 ⏭ `yield`, & ⏮️ ❎ `with` 🍫, ⚫️ 🔜 🛠️ 📟 ⏮️ `yield`.
+
+👆 📟 🖼 🔛, 👥 🚫 ⚙️ ⚫️ 🔗, ✋️ 👥 🚶♀️ ⚫️ FastAPI ⚫️ ⚙️ ⚫️.
+
+`lifespan` 🔢 `FastAPI` 📱 ✊ **🔁 🔑 👨💼**, 👥 💪 🚶♀️ 👆 🆕 `lifespan` 🔁 🔑 👨💼 ⚫️.
+
+```Python hl_lines="22"
+{!../../../docs_src/events/tutorial003.py!}
+```
+
+## 🎛 🎉 (😢)
+
+!!! warning
+ 👍 🌌 🍵 *🕴* & *🤫* ⚙️ `lifespan` 🔢 `FastAPI` 📱 🔬 🔛.
+
+ 👆 💪 🎲 🚶 👉 🍕.
+
+📤 🎛 🌌 🔬 👉 ⚛ 🛠️ ⏮️ *🕴* & ⏮️ *🤫*.
+
+👆 💪 🔬 🎉 🐕🦺 (🔢) 👈 💪 🛠️ ⏭ 🈸 ▶️ 🆙, ⚖️ 🕐❔ 🈸 🤫 🔽.
+
+👫 🔢 💪 📣 ⏮️ `async def` ⚖️ 😐 `def`.
+
+### `startup` 🎉
+
+🚮 🔢 👈 🔜 🏃 ⏭ 🈸 ▶️, 📣 ⚫️ ⏮️ 🎉 `"startup"`:
+
+```Python hl_lines="8"
+{!../../../docs_src/events/tutorial001.py!}
+```
+
+👉 💼, `startup` 🎉 🐕🦺 🔢 🔜 🔢 🏬 "💽" ( `dict`) ⏮️ 💲.
+
+👆 💪 🚮 🌅 🌘 1️⃣ 🎉 🐕🦺 🔢.
+
+& 👆 🈸 🏆 🚫 ▶️ 📨 📨 ⏭ 🌐 `startup` 🎉 🐕🦺 ✔️ 🏁.
+
+### `shutdown` 🎉
+
+🚮 🔢 👈 🔜 🏃 🕐❔ 🈸 🤫 🔽, 📣 ⚫️ ⏮️ 🎉 `"shutdown"`:
+
+```Python hl_lines="6"
+{!../../../docs_src/events/tutorial002.py!}
+```
+
+📥, `shutdown` 🎉 🐕🦺 🔢 🔜 ✍ ✍ ⏸ `"Application shutdown"` 📁 `log.txt`.
+
+!!! info
+ `open()` 🔢, `mode="a"` ⛓ "🎻",, ⏸ 🔜 🚮 ⏮️ ⚫️❔ 🔛 👈 📁, 🍵 📁 ⏮️ 🎚.
+
+!!! tip
+ 👀 👈 👉 💼 👥 ⚙️ 🐩 🐍 `open()` 🔢 👈 🔗 ⏮️ 📁.
+
+ , ⚫️ 🔌 👤/🅾 (🔢/🔢), 👈 🚚 "⌛" 👜 ✍ 💾.
+
+ ✋️ `open()` 🚫 ⚙️ `async` & `await`.
+
+ , 👥 📣 🎉 🐕🦺 🔢 ⏮️ 🐩 `def` ↩️ `async def`.
+
+!!! info
+ 👆 💪 ✍ 🌅 🔃 👫 🎉 🐕🦺 <a href="https://www.starlette.io/events/" class="external-link" target="_blank">💃 🎉' 🩺</a>.
+
+### `startup` & `shutdown` 👯♂️
+
+📤 ↕ 🤞 👈 ⚛ 👆 *🕴* & *🤫* 🔗, 👆 💪 💚 ▶️ 🕳 & ⤴️ 🏁 ⚫️, 📎 ℹ & ⤴️ 🚀 ⚫️, ♒️.
+
+🔨 👈 👽 🔢 👈 🚫 💰 ⚛ ⚖️ 🔢 👯♂️ 🌅 ⚠ 👆 🔜 💪 🏪 💲 🌐 🔢 ⚖️ 🎏 🎱.
+
+↩️ 👈, ⚫️ 🔜 👍 ↩️ ⚙️ `lifespan` 🔬 🔛.
+
+## 📡 ℹ
+
+📡 ℹ 😟 🤓. 👶
+
+🔘, 🔫 📡 🔧, 👉 🍕 <a href="https://asgi.readthedocs.io/en/latest/specs/lifespan.html" class="external-link" target="_blank">🔆 🛠️</a>, & ⚫️ 🔬 🎉 🤙 `startup` & `shutdown`.
+
+## 🎧 🈸
+
+👶 ✔️ 🤯 👈 👫 🔆 🎉 (🕴 & 🤫) 🔜 🕴 🛠️ 👑 🈸, 🚫 [🎧 🈸 - 🗻](./sub-applications.md){.internal-link target=_blank}.
--- /dev/null
+# ↔ 🗄
+
+!!! warning
+ 👉 👍 🏧 ⚒. 👆 🎲 💪 🚶 ⚫️.
+
+ 🚥 👆 📄 🔰 - 👩💻 🦮, 👆 💪 🎲 🚶 👉 📄.
+
+ 🚥 👆 ⏪ 💭 👈 👆 💪 🔀 🏗 🗄 🔗, 😣 👂.
+
+📤 💼 🌐❔ 👆 💪 💪 🔀 🏗 🗄 🔗.
+
+👉 📄 👆 🔜 👀 ❔.
+
+## 😐 🛠️
+
+😐 (🔢) 🛠️, ⏩.
+
+`FastAPI` 🈸 (👐) ✔️ `.openapi()` 👩🔬 👈 📈 📨 🗄 🔗.
+
+🍕 🈸 🎚 🏗, *➡ 🛠️* `/openapi.json` (⚖️ ⚫️❔ 👆 ⚒ 👆 `openapi_url`) ®.
+
+⚫️ 📨 🎻 📨 ⏮️ 🏁 🈸 `.openapi()` 👩🔬.
+
+🔢, ⚫️❔ 👩🔬 `.openapi()` 🔨 ✅ 🏠 `.openapi_schema` 👀 🚥 ⚫️ ✔️ 🎚 & 📨 👫.
+
+🚥 ⚫️ 🚫, ⚫️ 🏗 👫 ⚙️ 🚙 🔢 `fastapi.openapi.utils.get_openapi`.
+
+& 👈 🔢 `get_openapi()` 📨 🔢:
+
+* `title`: 🗄 📛, 🎦 🩺.
+* `version`: ⏬ 👆 🛠️, ✅ `2.5.0`.
+* `openapi_version`: ⏬ 🗄 🔧 ⚙️. 🔢, ⏪: `3.0.2`.
+* `description`: 📛 👆 🛠️.
+* `routes`: 📇 🛣, 👫 🔠 ® *➡ 🛠️*. 👫 ✊ ⚪️➡️ `app.routes`.
+
+## 🔑 🔢
+
+⚙️ ℹ 🔛, 👆 💪 ⚙️ 🎏 🚙 🔢 🏗 🗄 🔗 & 🔐 🔠 🍕 👈 👆 💪.
+
+🖼, ➡️ 🚮 <a href="https://github.com/Rebilly/ReDoc/blob/master/docs/redoc-vendor-extensions.md#x-logo" class="external-link" target="_blank">📄 🗄 ↔ 🔌 🛃 🔱</a>.
+
+### 😐 **FastAPI**
+
+🥇, ✍ 🌐 👆 **FastAPI** 🈸 🛎:
+
+```Python hl_lines="1 4 7-9"
+{!../../../docs_src/extending_openapi/tutorial001.py!}
+```
+
+### 🏗 🗄 🔗
+
+⤴️, ⚙️ 🎏 🚙 🔢 🏗 🗄 🔗, 🔘 `custom_openapi()` 🔢:
+
+```Python hl_lines="2 15-20"
+{!../../../docs_src/extending_openapi/tutorial001.py!}
+```
+
+### 🔀 🗄 🔗
+
+🔜 👆 💪 🚮 📄 ↔, ❎ 🛃 `x-logo` `info` "🎚" 🗄 🔗:
+
+```Python hl_lines="21-23"
+{!../../../docs_src/extending_openapi/tutorial001.py!}
+```
+
+### 💾 🗄 🔗
+
+👆 💪 ⚙️ 🏠 `.openapi_schema` "💾", 🏪 👆 🏗 🔗.
+
+👈 🌌, 👆 🈸 🏆 🚫 ✔️ 🏗 🔗 🔠 🕰 👩💻 📂 👆 🛠️ 🩺.
+
+⚫️ 🔜 🏗 🕴 🕐, & ⤴️ 🎏 💾 🔗 🔜 ⚙️ ⏭ 📨.
+
+```Python hl_lines="13-14 24-25"
+{!../../../docs_src/extending_openapi/tutorial001.py!}
+```
+
+### 🔐 👩🔬
+
+🔜 👆 💪 ❎ `.openapi()` 👩🔬 ⏮️ 👆 🆕 🔢.
+
+```Python hl_lines="28"
+{!../../../docs_src/extending_openapi/tutorial001.py!}
+```
+
+### ✅ ⚫️
+
+🕐 👆 🚶 <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a> 👆 🔜 👀 👈 👆 ⚙️ 👆 🛃 🔱 (👉 🖼, **FastAPI**'Ⓜ 🔱):
+
+<img src="/img/tutorial/extending-openapi/image01.png">
+
+## 👤-🕸 🕸 & 🎚 🩺
+
+🛠️ 🩺 ⚙️ **🦁 🎚** & **📄**, & 🔠 👈 💪 🕸 & 🎚 📁.
+
+🔢, 👈 📁 🍦 ⚪️➡️ <abbr title="Content Delivery Network: A service, normally composed of several servers, that provides static files, like JavaScript and CSS. It's commonly used to serve those files from the server closer to the client, improving performance.">💲</abbr>.
+
+✋️ ⚫️ 💪 🛃 ⚫️, 👆 💪 ⚒ 🎯 💲, ⚖️ 🍦 📁 👆.
+
+👈 ⚠, 🖼, 🚥 👆 💪 👆 📱 🚧 👷 ⏪ 📱, 🍵 📂 🕸 🔐, ⚖️ 🇧🇿 🕸.
+
+📥 👆 🔜 👀 ❔ 🍦 👈 📁 👆, 🎏 FastAPI 📱, & 🔗 🩺 ⚙️ 👫.
+
+### 🏗 📁 📊
+
+➡️ 💬 👆 🏗 📁 📊 👀 💖 👉:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+```
+
+🔜 ✍ 📁 🏪 📚 🎻 📁.
+
+👆 🆕 📁 📊 💪 👀 💖 👉:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+└── static/
+```
+
+### ⏬ 📁
+
+⏬ 🎻 📁 💪 🩺 & 🚮 👫 🔛 👈 `static/` 📁.
+
+👆 💪 🎲 ▶️️-🖊 🔠 🔗 & 🖊 🎛 🎏 `Save link as...`.
+
+**🦁 🎚** ⚙️ 📁:
+
+* <a href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@4/swagger-ui-bundle.js" class="external-link" target="_blank">`swagger-ui-bundle.js`</a>
+* <a href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@4/swagger-ui.css" class="external-link" target="_blank">`swagger-ui.css`</a>
+
+& **📄** ⚙️ 📁:
+
+* <a href="https://cdn.jsdelivr.net/npm/redoc@next/bundles/redoc.standalone.js" class="external-link" target="_blank">`redoc.standalone.js`</a>
+
+⏮️ 👈, 👆 📁 📊 💪 👀 💖:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+└── static
+ ├── redoc.standalone.js
+ ├── swagger-ui-bundle.js
+ └── swagger-ui.css
+```
+
+### 🍦 🎻 📁
+
+* 🗄 `StaticFiles`.
+* "🗻" `StaticFiles()` 👐 🎯 ➡.
+
+```Python hl_lines="7 11"
+{!../../../docs_src/extending_openapi/tutorial002.py!}
+```
+
+### 💯 🎻 📁
+
+▶️ 👆 🈸 & 🚶 <a href="http://127.0.0.1:8000/static/redoc.standalone.js" class="external-link" target="_blank">http://127.0.0.1:8000/static/redoc.standalone.js</a>.
+
+👆 🔜 👀 📶 📏 🕸 📁 **📄**.
+
+⚫️ 💪 ▶️ ⏮️ 🕳 💖:
+
+```JavaScript
+/*!
+ * ReDoc - OpenAPI/Swagger-generated API Reference Documentation
+ * -------------------------------------------------------------
+ * Version: "2.0.0-rc.18"
+ * Repo: https://github.com/Redocly/redoc
+ */
+!function(e,t){"object"==typeof exports&&"object"==typeof m
+
+...
+```
+
+👈 ✔ 👈 👆 💆♂ 💪 🍦 🎻 📁 ⚪️➡️ 👆 📱, & 👈 👆 🥉 🎻 📁 🩺 ☑ 🥉.
+
+🔜 👥 💪 🔗 📱 ⚙️ 📚 🎻 📁 🩺.
+
+### ❎ 🏧 🩺
+
+🥇 🔁 ❎ 🏧 🩺, 📚 ⚙️ 💲 🔢.
+
+❎ 👫, ⚒ 👫 📛 `None` 🕐❔ 🏗 👆 `FastAPI` 📱:
+
+```Python hl_lines="9"
+{!../../../docs_src/extending_openapi/tutorial002.py!}
+```
+
+### 🔌 🛃 🩺
+
+🔜 👆 💪 ✍ *➡ 🛠️* 🛃 🩺.
+
+👆 💪 🏤-⚙️ FastAPI 🔗 🔢 ✍ 🕸 📃 🩺, & 🚶♀️ 👫 💪 ❌:
+
+* `openapi_url`: 📛 🌐❔ 🕸 📃 🩺 💪 🤚 🗄 🔗 👆 🛠️. 👆 💪 ⚙️ 📥 🔢 `app.openapi_url`.
+* `title`: 📛 👆 🛠️.
+* `oauth2_redirect_url`: 👆 💪 ⚙️ `app.swagger_ui_oauth2_redirect_url` 📥 ⚙️ 🔢.
+* `swagger_js_url`: 📛 🌐❔ 🕸 👆 🦁 🎚 🩺 💪 🤚 **🕸** 📁. 👉 1️⃣ 👈 👆 👍 📱 🔜 🍦.
+* `swagger_css_url`: 📛 🌐❔ 🕸 👆 🦁 🎚 🩺 💪 🤚 **🎚** 📁. 👉 1️⃣ 👈 👆 👍 📱 🔜 🍦.
+
+& ➡ 📄...
+
+```Python hl_lines="2-6 14-22 25-27 30-36"
+{!../../../docs_src/extending_openapi/tutorial002.py!}
+```
+
+!!! tip
+ *➡ 🛠️* `swagger_ui_redirect` 👩🎓 🕐❔ 👆 ⚙️ Oauth2️⃣.
+
+ 🚥 👆 🛠️ 👆 🛠️ ⏮️ Oauth2️⃣ 🐕🦺, 👆 🔜 💪 🔓 & 👟 🔙 🛠️ 🩺 ⏮️ 📎 🎓. & 🔗 ⏮️ ⚫️ ⚙️ 🎰 Oauth2️⃣ 🤝.
+
+ 🦁 🎚 🔜 🍵 ⚫️ ⛅ 🎑 👆, ✋️ ⚫️ 💪 👉 "❎" 👩🎓.
+
+### ✍ *➡ 🛠️* 💯 ⚫️
+
+🔜, 💪 💯 👈 🌐 👷, ✍ *➡ 🛠️*:
+
+```Python hl_lines="39-41"
+{!../../../docs_src/extending_openapi/tutorial002.py!}
+```
+
+### 💯 ⚫️
+
+🔜, 👆 🔜 💪 🔌 👆 📻, 🚶 👆 🩺 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>, & 🔃 📃.
+
+& 🍵 🕸, 👆 🔜 💪 👀 🩺 👆 🛠️ & 🔗 ⏮️ ⚫️.
+
+## 🛠️ 🦁 🎚
+
+👆 💪 🔗 ➕ <a href="https://swagger.io/docs/open-source-tools/swagger-ui/usage/configuration" class="external-link" target="_blank">🦁 🎚 🔢</a>.
+
+🔗 👫, 🚶♀️ `swagger_ui_parameters` ❌ 🕐❔ 🏗 `FastAPI()` 📱 🎚 ⚖️ `get_swagger_ui_html()` 🔢.
+
+`swagger_ui_parameters` 📨 📖 ⏮️ 📳 🚶♀️ 🦁 🎚 🔗.
+
+FastAPI 🗜 📳 **🎻** ⚒ 👫 🔗 ⏮️ 🕸, 👈 ⚫️❔ 🦁 🎚 💪.
+
+### ❎ ❕ 🎦
+
+🖼, 👆 💪 ❎ ❕ 🎦 🦁 🎚.
+
+🍵 🔀 ⚒, ❕ 🎦 🛠️ 🔢:
+
+<img src="/img/tutorial/extending-openapi/image02.png">
+
+✋️ 👆 💪 ❎ ⚫️ ⚒ `syntaxHighlight` `False`:
+
+```Python hl_lines="3"
+{!../../../docs_src/extending_openapi/tutorial003.py!}
+```
+
+...& ⤴️ 🦁 🎚 🏆 🚫 🎦 ❕ 🎦 🚫🔜:
+
+<img src="/img/tutorial/extending-openapi/image03.png">
+
+### 🔀 🎢
+
+🎏 🌌 👆 💪 ⚒ ❕ 🎦 🎢 ⏮️ 🔑 `"syntaxHighlight.theme"` (👀 👈 ⚫️ ✔️ ❣ 🖕):
+
+```Python hl_lines="3"
+{!../../../docs_src/extending_openapi/tutorial004.py!}
+```
+
+👈 📳 🔜 🔀 ❕ 🎦 🎨 🎢:
+
+<img src="/img/tutorial/extending-openapi/image04.png">
+
+### 🔀 🔢 🦁 🎚 🔢
+
+FastAPI 🔌 🔢 📳 🔢 ☑ 🌅 ⚙️ 💼.
+
+⚫️ 🔌 👫 🔢 📳:
+
+```Python
+{!../../../fastapi/openapi/docs.py[ln:7-13]!}
+```
+
+👆 💪 🔐 🙆 👫 ⚒ 🎏 💲 ❌ `swagger_ui_parameters`.
+
+🖼, ❎ `deepLinking` 👆 💪 🚶♀️ 👉 ⚒ `swagger_ui_parameters`:
+
+```Python hl_lines="3"
+{!../../../docs_src/extending_openapi/tutorial005.py!}
+```
+
+### 🎏 🦁 🎚 🔢
+
+👀 🌐 🎏 💪 📳 👆 💪 ⚙️, ✍ 🛂 <a href="https://swagger.io/docs/open-source-tools/swagger-ui/usage/configuration" class="external-link" target="_blank">🩺 🦁 🎚 🔢</a>.
+
+### 🕸-🕴 ⚒
+
+🦁 🎚 ✔ 🎏 📳 **🕸-🕴** 🎚 (🖼, 🕸 🔢).
+
+FastAPI 🔌 👫 🕸-🕴 `presets` ⚒:
+
+```JavaScript
+presets: [
+ SwaggerUIBundle.presets.apis,
+ SwaggerUIBundle.SwaggerUIStandalonePreset
+]
+```
+
+👫 **🕸** 🎚, 🚫 🎻, 👆 💪 🚫 🚶♀️ 👫 ⚪️➡️ 🐍 📟 🔗.
+
+🚥 👆 💪 ⚙️ 🕸-🕴 📳 💖 📚, 👆 💪 ⚙️ 1️⃣ 👩🔬 🔛. 🔐 🌐 🦁 🎚 *➡ 🛠️* & ❎ ✍ 🙆 🕸 👆 💪.
--- /dev/null
+# 🏗 👩💻
+
+**FastAPI** ⚓️ 🔛 🗄 🔧, 👆 🤚 🏧 🔗 ⏮️ 📚 🧰, 🔌 🏧 🛠️ 🩺 (🚚 🦁 🎚).
+
+1️⃣ 🎯 📈 👈 🚫 🎯 ⭐ 👈 👆 💪 **🏗 👩💻** (🕣 🤙 <abbr title="Software Development Kits">**📱**</abbr> ) 👆 🛠️, 📚 🎏 **🛠️ 🇪🇸**.
+
+## 🗄 👩💻 🚂
+
+📤 📚 🧰 🏗 👩💻 ⚪️➡️ **🗄**.
+
+⚠ 🧰 <a href="https://openapi-generator.tech/" class="external-link" target="_blank">🗄 🚂</a>.
+
+🚥 👆 🏗 **🕸**, 📶 😌 🎛 <a href="https://github.com/ferdikoomen/openapi-typescript-codegen" class="external-link" target="_blank">🗄-📕-🇦🇪</a>.
+
+## 🏗 📕 🕸 👩💻
+
+➡️ ▶️ ⏮️ 🙅 FastAPI 🈸:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9-11 14-15 18 19 23"
+ {!> ../../../docs_src/generate_clients/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="7-9 12-13 16-17 21"
+ {!> ../../../docs_src/generate_clients/tutorial001_py39.py!}
+ ```
+
+👀 👈 *➡ 🛠️* 🔬 🏷 👫 ⚙️ 📨 🚀 & 📨 🚀, ⚙️ 🏷 `Item` & `ResponseMessage`.
+
+### 🛠️ 🩺
+
+🚥 👆 🚶 🛠️ 🩺, 👆 🔜 👀 👈 ⚫️ ✔️ **🔗** 📊 📨 📨 & 📨 📨:
+
+<img src="/img/tutorial/generate-clients/image01.png">
+
+👆 💪 👀 👈 🔗 ↩️ 👫 📣 ⏮️ 🏷 📱.
+
+👈 ℹ 💪 📱 **🗄 🔗**, & ⤴️ 🎦 🛠️ 🩺 (🦁 🎚).
+
+& 👈 🎏 ℹ ⚪️➡️ 🏷 👈 🔌 🗄 ⚫️❔ 💪 ⚙️ **🏗 👩💻 📟**.
+
+### 🏗 📕 👩💻
+
+🔜 👈 👥 ✔️ 📱 ⏮️ 🏷, 👥 💪 🏗 👩💻 📟 🕸.
+
+#### ❎ `openapi-typescript-codegen`
+
+👆 💪 ❎ `openapi-typescript-codegen` 👆 🕸 📟 ⏮️:
+
+<div class="termy">
+
+```console
+$ npm install openapi-typescript-codegen --save-dev
+
+---> 100%
+```
+
+</div>
+
+#### 🏗 👩💻 📟
+
+🏗 👩💻 📟 👆 💪 ⚙️ 📋 ⏸ 🈸 `openapi` 👈 🔜 🔜 ❎.
+
+↩️ ⚫️ ❎ 🇧🇿 🏗, 👆 🎲 🚫🔜 💪 🤙 👈 📋 🔗, ✋️ 👆 🔜 🚮 ⚫️ 🔛 👆 `package.json` 📁.
+
+⚫️ 💪 👀 💖 👉:
+
+```JSON hl_lines="7"
+{
+ "name": "frontend-app",
+ "version": "1.0.0",
+ "description": "",
+ "main": "index.js",
+ "scripts": {
+ "generate-client": "openapi --input http://localhost:8000/openapi.json --output ./src/client --client axios"
+ },
+ "author": "",
+ "license": "",
+ "devDependencies": {
+ "openapi-typescript-codegen": "^0.20.1",
+ "typescript": "^4.6.2"
+ }
+}
+```
+
+⏮️ ✔️ 👈 ☕ `generate-client` ✍ 📤, 👆 💪 🏃 ⚫️ ⏮️:
+
+<div class="termy">
+
+```console
+$ npm run generate-client
+
+frontend-app@1.0.0 generate-client /home/user/code/frontend-app
+> openapi --input http://localhost:8000/openapi.json --output ./src/client --client axios
+```
+
+</div>
+
+👈 📋 🔜 🏗 📟 `./src/client` & 🔜 ⚙️ `axios` (🕸 🇺🇸🔍 🗃) 🔘.
+
+### 🔄 👅 👩💻 📟
+
+🔜 👆 💪 🗄 & ⚙️ 👩💻 📟, ⚫️ 💪 👀 💖 👉, 👀 👈 👆 🤚 ✍ 👩🔬:
+
+<img src="/img/tutorial/generate-clients/image02.png">
+
+👆 🔜 🤚 ✍ 🚀 📨:
+
+<img src="/img/tutorial/generate-clients/image03.png">
+
+!!! tip
+ 👀 ✍ `name` & `price`, 👈 🔬 FastAPI 🈸, `Item` 🏷.
+
+👆 🔜 ✔️ ⏸ ❌ 📊 👈 👆 📨:
+
+<img src="/img/tutorial/generate-clients/image04.png">
+
+📨 🎚 🔜 ✔️ ✍:
+
+<img src="/img/tutorial/generate-clients/image05.png">
+
+## FastAPI 📱 ⏮️ 🔖
+
+📚 💼 👆 FastAPI 📱 🔜 🦏, & 👆 🔜 🎲 ⚙️ 🔖 🎏 🎏 👪 *➡ 🛠️*.
+
+🖼, 👆 💪 ✔️ 📄 **🏬** & ➕1️⃣ 📄 **👩💻**, & 👫 💪 👽 🔖:
+
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="23 28 36"
+ {!> ../../../docs_src/generate_clients/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="21 26 34"
+ {!> ../../../docs_src/generate_clients/tutorial002_py39.py!}
+ ```
+
+### 🏗 📕 👩💻 ⏮️ 🔖
+
+🚥 👆 🏗 👩💻 FastAPI 📱 ⚙️ 🔖, ⚫️ 🔜 🛎 🎏 👩💻 📟 ⚓️ 🔛 🔖.
+
+👉 🌌 👆 🔜 💪 ✔️ 👜 ✔ & 👪 ☑ 👩💻 📟:
+
+<img src="/img/tutorial/generate-clients/image06.png">
+
+👉 💼 👆 ✔️:
+
+* `ItemsService`
+* `UsersService`
+
+### 👩💻 👩🔬 📛
+
+▶️️ 🔜 🏗 👩🔬 📛 💖 `createItemItemsPost` 🚫 👀 📶 🧹:
+
+```TypeScript
+ItemsService.createItemItemsPost({name: "Plumbus", price: 5})
+```
+
+...👈 ↩️ 👩💻 🚂 ⚙️ 🗄 🔗 **🛠️ 🆔** 🔠 *➡ 🛠️*.
+
+🗄 🚚 👈 🔠 🛠️ 🆔 😍 🤭 🌐 *➡ 🛠️*, FastAPI ⚙️ **🔢 📛**, **➡**, & **🇺🇸🔍 👩🔬/🛠️** 🏗 👈 🛠️ 🆔, ↩️ 👈 🌌 ⚫️ 💪 ⚒ 💭 👈 🛠️ 🆔 😍.
+
+✋️ 👤 🔜 🎦 👆 ❔ 📉 👈 ⏭. 👶
+
+## 🛃 🛠️ 🆔 & 👍 👩🔬 📛
+
+👆 💪 **🔀** 🌌 👫 🛠️ 🆔 **🏗** ⚒ 👫 🙅 & ✔️ **🙅 👩🔬 📛** 👩💻.
+
+👉 💼 👆 🔜 ✔️ 🚚 👈 🔠 🛠️ 🆔 **😍** 🎏 🌌.
+
+🖼, 👆 💪 ⚒ 💭 👈 🔠 *➡ 🛠️* ✔️ 🔖, & ⤴️ 🏗 🛠️ 🆔 ⚓️ 🔛 **🔖** & *➡ 🛠️* **📛** (🔢 📛).
+
+### 🛃 🏗 😍 🆔 🔢
+
+FastAPI ⚙️ **😍 🆔** 🔠 *➡ 🛠️*, ⚫️ ⚙️ **🛠️ 🆔** & 📛 🙆 💪 🛃 🏷, 📨 ⚖️ 📨.
+
+👆 💪 🛃 👈 🔢. ⚫️ ✊ `APIRoute` & 🔢 🎻.
+
+🖼, 📥 ⚫️ ⚙️ 🥇 🔖 (👆 🔜 🎲 ✔️ 🕴 1️⃣ 🔖) & *➡ 🛠️* 📛 (🔢 📛).
+
+👆 💪 ⤴️ 🚶♀️ 👈 🛃 🔢 **FastAPI** `generate_unique_id_function` 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="8-9 12"
+ {!> ../../../docs_src/generate_clients/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="6-7 10"
+ {!> ../../../docs_src/generate_clients/tutorial003_py39.py!}
+ ```
+
+### 🏗 📕 👩💻 ⏮️ 🛃 🛠️ 🆔
+
+🔜 🚥 👆 🏗 👩💻 🔄, 👆 🔜 👀 👈 ⚫️ ✔️ 📉 👩🔬 📛:
+
+<img src="/img/tutorial/generate-clients/image07.png">
+
+👆 👀, 👩🔬 📛 🔜 ✔️ 🔖 & ⤴️ 🔢 📛, 🔜 👫 🚫 🔌 ℹ ⚪️➡️ 📛 ➡ & 🇺🇸🔍 🛠️.
+
+### 🗜 🗄 🔧 👩💻 🚂
+
+🏗 📟 ✔️ **❎ ℹ**.
+
+👥 ⏪ 💭 👈 👉 👩🔬 🔗 **🏬** ↩️ 👈 🔤 `ItemsService` (✊ ⚪️➡️ 🔖), ✋️ 👥 ✔️ 📛 🔡 👩🔬 📛 💁♂️. 👶
+
+👥 🔜 🎲 💚 🚧 ⚫️ 🗄 🏢, 👈 🔜 🚚 👈 🛠️ 🆔 **😍**.
+
+✋️ 🏗 👩💻 👥 💪 **🔀** 🗄 🛠️ 🆔 ▶️️ ⏭ 🏭 👩💻, ⚒ 👈 👩🔬 📛 👌 & **🧹**.
+
+👥 💪 ⏬ 🗄 🎻 📁 `openapi.json` & ⤴️ 👥 💪 **❎ 👈 🔡 🔖** ⏮️ ✍ 💖 👉:
+
+```Python
+{!../../../docs_src/generate_clients/tutorial004.py!}
+```
+
+⏮️ 👈, 🛠️ 🆔 🔜 📁 ⚪️➡️ 👜 💖 `items-get_items` `get_items`, 👈 🌌 👩💻 🚂 💪 🏗 🙅 👩🔬 📛.
+
+### 🏗 📕 👩💻 ⏮️ 🗜 🗄
+
+🔜 🔚 🏁 📁 `openapi.json`, 👆 🔜 🔀 `package.json` ⚙️ 👈 🇧🇿 📁, 🖼:
+
+```JSON hl_lines="7"
+{
+ "name": "frontend-app",
+ "version": "1.0.0",
+ "description": "",
+ "main": "index.js",
+ "scripts": {
+ "generate-client": "openapi --input ./openapi.json --output ./src/client --client axios"
+ },
+ "author": "",
+ "license": "",
+ "devDependencies": {
+ "openapi-typescript-codegen": "^0.20.1",
+ "typescript": "^4.6.2"
+ }
+}
+```
+
+⏮️ 🏭 🆕 👩💻, 👆 🔜 🔜 ✔️ **🧹 👩🔬 📛**, ⏮️ 🌐 **✍**, **⏸ ❌**, ♒️:
+
+<img src="/img/tutorial/generate-clients/image08.png">
+
+## 💰
+
+🕐❔ ⚙️ 🔁 🏗 👩💻 👆 🔜 **✍** :
+
+* 👩🔬.
+* 📨 🚀 💪, 🔢 🔢, ♒️.
+* 📨 🚀.
+
+👆 🔜 ✔️ **⏸ ❌** 🌐.
+
+& 🕐❔ 👆 ℹ 👩💻 📟, & **♻** 🕸, ⚫️ 🔜 ✔️ 🙆 🆕 *➡ 🛠️* 💪 👩🔬, 🗝 🕐 ❎, & 🙆 🎏 🔀 🔜 🎨 🔛 🏗 📟. 👶
+
+👉 ⛓ 👈 🚥 🕳 🔀 ⚫️ 🔜 **🎨** 🔛 👩💻 📟 🔁. & 🚥 👆 **🏗** 👩💻 ⚫️ 🔜 ❌ 👅 🚥 👆 ✔️ 🙆 **🔖** 📊 ⚙️.
+
+, 👆 🔜 **🔍 📚 ❌** 📶 ⏪ 🛠️ 🛵 ↩️ ✔️ ⌛ ❌ 🎦 🆙 👆 🏁 👩💻 🏭 & ⤴️ 🔄 ℹ 🌐❔ ⚠. 👶
--- /dev/null
+# 🕹
+
+**FastAPI** ⚓️ 🔛 **🔫** 🐩, ⚫️ 📶 ⏩ 🛠️ 🙆 **🕹** 🗃 🔗 ⏮️ 🔫.
+
+👆 💪 🌀 😐 FastAPI *➡ 🛠️* ⏮️ 🕹 🔛 🎏 🈸.
+
+!!! tip
+ **🕹** ❎ 📶 🎯 ⚙️ 💼.
+
+ ⚫️ ✔️ **📈** & **⚠** 🕐❔ 🔬 ⚠ **🕸 🔗**.
+
+ ⚒ 💭 👆 🔬 🚥 **💰** 👆 ⚙️ 💼 ⚖ **👐**. 👶
+
+## 🕹 🗃
+
+📥 **🕹** 🗃 👈 ✔️ **🔫** 🐕🦺. 👆 💪 ⚙️ 👫 ⏮️ **FastAPI**:
+
+* <a href="https://strawberry.rocks/" class="external-link" target="_blank">🍓</a> 👶
+ * ⏮️ <a href="https://strawberry.rocks/docs/integrations/fastapi" class="external-link" target="_blank">🩺 FastAPI</a>
+* <a href="https://ariadnegraphql.org/" class="external-link" target="_blank">👸</a>
+ * ⏮️ <a href="https://ariadnegraphql.org/docs/starlette-integration" class="external-link" target="_blank">🩺 💃</a> (👈 ✔ FastAPI)
+* <a href="https://tartiflette.io/" class="external-link" target="_blank">🍟</a>
+ * ⏮️ <a href="https://tartiflette.github.io/tartiflette-asgi/" class="external-link" target="_blank">🍟 🔫</a> 🚚 🔫 🛠️
+* <a href="https://graphene-python.org/" class="external-link" target="_blank">⚗</a>
+ * ⏮️ <a href="https://github.com/ciscorn/starlette-graphene3" class="external-link" target="_blank">💃-Graphene3️⃣</a>
+
+## 🕹 ⏮️ 🍓
+
+🚥 👆 💪 ⚖️ 💚 👷 ⏮️ **🕹**, <a href="https://strawberry.rocks/" class="external-link" target="_blank">**🍓**</a> **👍** 🗃 ⚫️ ✔️ 🔧 🔐 **FastAPI** 🔧, ⚫️ 🌐 ⚓️ 🔛 **🆎 ✍**.
+
+⚓️ 🔛 👆 ⚙️ 💼, 👆 5️⃣📆 💖 ⚙️ 🎏 🗃, ✋️ 🚥 👆 💭 👤, 👤 🔜 🎲 🤔 👆 🔄 **🍓**.
+
+📥 🤪 🎮 ❔ 👆 💪 🛠️ 🍓 ⏮️ FastAPI:
+
+```Python hl_lines="3 22 25-26"
+{!../../../docs_src/graphql/tutorial001.py!}
+```
+
+👆 💪 💡 🌅 🔃 🍓 <a href="https://strawberry.rocks/" class="external-link" target="_blank">🍓 🧾</a>.
+
+& 🩺 🔃 <a href="https://strawberry.rocks/docs/integrations/fastapi" class="external-link" target="_blank">🍓 ⏮️ FastAPI</a>.
+
+## 🗝 `GraphQLApp` ⚪️➡️ 💃
+
+⏮️ ⏬ 💃 🔌 `GraphQLApp` 🎓 🛠️ ⏮️ <a href="https://graphene-python.org/" class="external-link" target="_blank">⚗</a>.
+
+⚫️ 😢 ⚪️➡️ 💃, ✋️ 🚥 👆 ✔️ 📟 👈 ⚙️ ⚫️, 👆 💪 💪 **↔** <a href="https://github.com/ciscorn/starlette-graphene3" class="external-link" target="_blank">💃-Graphene3️⃣</a>, 👈 📔 🎏 ⚙️ 💼 & ✔️ **🌖 🌓 🔢**.
+
+!!! tip
+ 🚥 👆 💪 🕹, 👤 🔜 👍 👆 ✅ 👅 <a href="https://strawberry.rocks/" class="external-link" target="_blank">🍓</a>, ⚫️ ⚓️ 🔛 🆎 ✍ ↩️ 🛃 🎓 & 🆎.
+
+## 💡 🌅
+
+👆 💪 💡 🌅 🔃 **🕹** <a href="https://graphql.org/" class="external-link" target="_blank">🛂 🕹 🧾</a>.
+
+👆 💪 ✍ 🌅 🔃 🔠 👈 🗃 🔬 🔛 👫 🔗.
--- /dev/null
+# 🏧 👩💻 🦮 - 🎶
+
+## 🌖 ⚒
+
+👑 [🔰 - 👩💻 🦮](../tutorial/){.internal-link target=_blank} 🔜 🥃 🤝 👆 🎫 🔘 🌐 👑 ⚒ **FastAPI**.
+
+⏭ 📄 👆 🔜 👀 🎏 🎛, 📳, & 🌖 ⚒.
+
+!!! tip
+ ⏭ 📄 **🚫 🎯 "🏧"**.
+
+ & ⚫️ 💪 👈 👆 ⚙️ 💼, ⚗ 1️⃣ 👫.
+
+## ✍ 🔰 🥇
+
+👆 💪 ⚙️ 🏆 ⚒ **FastAPI** ⏮️ 💡 ⚪️➡️ 👑 [🔰 - 👩💻 🦮](../tutorial/){.internal-link target=_blank}.
+
+& ⏭ 📄 🤔 👆 ⏪ ✍ ⚫️, & 🤔 👈 👆 💭 👈 👑 💭.
+
+## 🏎.🅾 ↗️
+
+🚥 👆 🔜 💖 ✊ 🏧-🔰 ↗️ 🔗 👉 📄 🩺, 👆 💪 💚 ✅: <a href="https://testdriven.io/courses/tdd-fastapi/" class="external-link" target="_blank">💯-💾 🛠️ ⏮️ FastAPI & ☁</a> **🏎.🅾**.
+
+👫 ⏳ 🩸 1️⃣0️⃣ 💯 🌐 💰 🛠️ **FastAPI**. 👶 👶
--- /dev/null
+# 🏧 🛠️
+
+👑 🔰 👆 ✍ ❔ 🚮 [🛃 🛠️](../tutorial/middleware.md){.internal-link target=_blank} 👆 🈸.
+
+& ⤴️ 👆 ✍ ❔ 🍵 [⚜ ⏮️ `CORSMiddleware`](../tutorial/cors.md){.internal-link target=_blank}.
+
+👉 📄 👥 🔜 👀 ❔ ⚙️ 🎏 🛠️.
+
+## ❎ 🔫 🛠️
+
+**FastAPI** ⚓️ 🔛 💃 & 🛠️ <abbr title="Asynchronous Server Gateway Interface">🔫</abbr> 🔧, 👆 💪 ⚙️ 🙆 🔫 🛠️.
+
+🛠️ 🚫 ✔️ ⚒ FastAPI ⚖️ 💃 👷, 📏 ⚫️ ⏩ 🔫 🔌.
+
+🏢, 🔫 🛠️ 🎓 👈 ⌛ 📨 🔫 📱 🥇 ❌.
+
+, 🧾 🥉-🥳 🔫 🛠️ 👫 🔜 🎲 💬 👆 🕳 💖:
+
+```Python
+from unicorn import UnicornMiddleware
+
+app = SomeASGIApp()
+
+new_app = UnicornMiddleware(app, some_config="rainbow")
+```
+
+✋️ FastAPI (🤙 💃) 🚚 🙅 🌌 ⚫️ 👈 ⚒ 💭 👈 🔗 🛠️ 🍵 💽 ❌ & 🛃 ⚠ 🐕🦺 👷 ☑.
+
+👈, 👆 ⚙️ `app.add_middleware()` (🖼 ⚜).
+
+```Python
+from fastapi import FastAPI
+from unicorn import UnicornMiddleware
+
+app = FastAPI()
+
+app.add_middleware(UnicornMiddleware, some_config="rainbow")
+```
+
+`app.add_middleware()` 📨 🛠️ 🎓 🥇 ❌ & 🙆 🌖 ❌ 🚶♀️ 🛠️.
+
+## 🛠️ 🛠️
+
+**FastAPI** 🔌 📚 🛠️ ⚠ ⚙️ 💼, 👥 🔜 👀 ⏭ ❔ ⚙️ 👫.
+
+!!! note "📡 ℹ"
+ ⏭ 🖼, 👆 💪 ⚙️ `from starlette.middleware.something import SomethingMiddleware`.
+
+ **FastAPI** 🚚 📚 🛠️ `fastapi.middleware` 🏪 👆, 👩💻. ✋️ 🌅 💪 🛠️ 👟 🔗 ⚪️➡️ 💃.
+
+## `HTTPSRedirectMiddleware`
+
+🛠️ 👈 🌐 📨 📨 🔜 👯♂️ `https` ⚖️ `wss`.
+
+🙆 📨 📨 `http` ⚖️ `ws` 🔜 ❎ 🔐 ⚖ ↩️.
+
+```Python hl_lines="2 6"
+{!../../../docs_src/advanced_middleware/tutorial001.py!}
+```
+
+## `TrustedHostMiddleware`
+
+🛠️ 👈 🌐 📨 📨 ✔️ ☑ ⚒ `Host` 🎚, ✔ 💂♂ 🛡 🇺🇸🔍 🦠 🎚 👊.
+
+```Python hl_lines="2 6-8"
+{!../../../docs_src/advanced_middleware/tutorial002.py!}
+```
+
+📄 ❌ 🐕🦺:
+
+* `allowed_hosts` - 📇 🆔 📛 👈 🔜 ✔ 📛. 🃏 🆔 ✅ `*.example.com` 🐕🦺 🎀 📁. ✔ 🙆 📛 👯♂️ ⚙️ `allowed_hosts=["*"]` ⚖️ 🚫 🛠️.
+
+🚥 📨 📨 🔨 🚫 ✔ ☑ ⤴️ `400` 📨 🔜 📨.
+
+## `GZipMiddleware`
+
+🍵 🗜 📨 🙆 📨 👈 🔌 `"gzip"` `Accept-Encoding` 🎚.
+
+🛠️ 🔜 🍵 👯♂️ 🐩 & 🎥 📨.
+
+```Python hl_lines="2 6"
+{!../../../docs_src/advanced_middleware/tutorial003.py!}
+```
+
+📄 ❌ 🐕🦺:
+
+* `minimum_size` - 🚫 🗜 📨 👈 🤪 🌘 👉 💯 📐 🔢. 🔢 `500`.
+
+## 🎏 🛠️
+
+📤 📚 🎏 🔫 🛠️.
+
+🖼:
+
+* <a href="https://docs.sentry.io/platforms/python/asgi/" class="external-link" target="_blank">🔫</a>
+* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorn `ProxyHeadersMiddleware`</a>
+* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">🇸🇲</a>
+
+👀 🎏 💪 🛠️ ✅ <a href="https://www.starlette.io/middleware/" class="external-link" target="_blank">💃 🛠️ 🩺</a> & <a href="https://github.com/florimondmanca/awesome-asgi" class="external-link" target="_blank">🔫 👌 📇</a>.
--- /dev/null
+# ☁ (📎 / 🦏 💽) 💽
+
+**FastAPI** 💪 🛠️ ⏮️ 🙆 <abbr title="Distributed database (Big Data), also 'Not Only SQL'">☁</abbr>.
+
+📥 👥 🔜 👀 🖼 ⚙️ **<a href="https://www.couchbase.com/" class="external-link" target="_blank">🗄</a>**, <abbr title="Document here refers to a JSON object (a dict), with keys and values, and those values can also be other JSON objects, arrays (lists), numbers, strings, booleans, etc.">📄</abbr> 🧢 ☁ 💽.
+
+👆 💪 🛠️ ⚫️ 🙆 🎏 ☁ 💽 💖:
+
+* **✳**
+* **👸**
+* **✳**
+* **🇸🇲**
+* **✳**, ♒️.
+
+!!! tip
+ 📤 🛂 🏗 🚂 ⏮️ **FastAPI** & **🗄**, 🌐 ⚓️ 🔛 **☁**, 🔌 🕸 & 🌖 🧰: <a href="https://github.com/tiangolo/full-stack-fastapi-couchbase" class="external-link" target="_blank">https://github.com/tiangolo/full-stack-fastapi-couchbase</a>
+
+## 🗄 🗄 🦲
+
+🔜, 🚫 💸 🙋 🎂, 🕴 🗄:
+
+```Python hl_lines="3-5"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+## 🔬 📉 ⚙️ "📄 🆎"
+
+👥 🔜 ⚙️ ⚫️ ⏪ 🔧 🏑 `type` 👆 📄.
+
+👉 🚫 ✔ 🗄, ✋️ 👍 💡 👈 🔜 ℹ 👆 ⏮️.
+
+```Python hl_lines="9"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+## 🚮 🔢 🤚 `Bucket`
+
+**🗄**, 🥡 ⚒ 📄, 👈 💪 🎏 🆎.
+
+👫 🛎 🌐 🔗 🎏 🈸.
+
+🔑 🔗 💽 🌏 🔜 "💽" (🎯 💽, 🚫 💽 💽).
+
+🔑 **✳** 🔜 "🗃".
+
+📟, `Bucket` 🎨 👑 🇨🇻 📻 ⏮️ 💽.
+
+👉 🚙 🔢 🔜:
+
+* 🔗 **🗄** 🌑 (👈 💪 👁 🎰).
+ * ⚒ 🔢 ⏲.
+* 🔓 🌑.
+* 🤚 `Bucket` 👐.
+ * ⚒ 🔢 ⏲.
+* 📨 ⚫️.
+
+```Python hl_lines="12-21"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+## ✍ Pydantic 🏷
+
+**🗄** "📄" 🤙 "🎻 🎚", 👥 💪 🏷 👫 ⏮️ Pydantic.
+
+### `User` 🏷
+
+🥇, ➡️ ✍ `User` 🏷:
+
+```Python hl_lines="24-28"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+👥 🔜 ⚙️ 👉 🏷 👆 *➡ 🛠️ 🔢*,, 👥 🚫 🔌 ⚫️ `hashed_password`.
+
+### `UserInDB` 🏷
+
+🔜, ➡️ ✍ `UserInDB` 🏷.
+
+👉 🔜 ✔️ 💽 👈 🤙 🏪 💽.
+
+👥 🚫 ✍ ⚫️ 🏿 Pydantic `BaseModel` ✋️ 🏿 👆 👍 `User`, ↩️ ⚫️ 🔜 ✔️ 🌐 🔢 `User` ➕ 👩❤👨 🌅:
+
+```Python hl_lines="31-33"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+!!! note
+ 👀 👈 👥 ✔️ `hashed_password` & `type` 🏑 👈 🔜 🏪 💽.
+
+ ✋️ ⚫️ 🚫 🍕 🏢 `User` 🏷 (1️⃣ 👥 🔜 📨 *➡ 🛠️*).
+
+## 🤚 👩💻
+
+🔜 ✍ 🔢 👈 🔜:
+
+* ✊ 🆔.
+* 🏗 📄 🆔 ⚪️➡️ ⚫️.
+* 🤚 📄 ⏮️ 👈 🆔.
+* 🚮 🎚 📄 `UserInDB` 🏷.
+
+🏗 🔢 👈 🕴 💡 🤚 👆 👩💻 ⚪️➡️ `username` (⚖️ 🙆 🎏 🔢) 🔬 👆 *➡ 🛠️ 🔢*, 👆 💪 🌖 💪 🏤-⚙️ ⚫️ 💗 🍕 & 🚮 <abbr title="Automated test, written in code, that checks if another piece of code is working correctly.">⚒ 💯</abbr> ⚫️:
+
+```Python hl_lines="36-42"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+### Ⓜ-🎻
+
+🚥 👆 🚫 😰 ⏮️ `f"userprofile::{username}"`, ⚫️ 🐍 "<a href="https://docs.python.org/3/glossary.html#term-f-string" class="external-link" target="_blank">Ⓜ-🎻</a>".
+
+🙆 🔢 👈 🚮 🔘 `{}` Ⓜ-🎻 🔜 ↔ / 💉 🎻.
+
+### `dict` 🏗
+
+🚥 👆 🚫 😰 ⏮️ `UserInDB(**result.value)`, <a href="https://docs.python.org/3/glossary.html#term-argument" class="external-link" target="_blank">⚫️ ⚙️ `dict` "🏗"</a>.
+
+⚫️ 🔜 ✊ `dict` `result.value`, & ✊ 🔠 🚮 🔑 & 💲 & 🚶♀️ 👫 🔑-💲 `UserInDB` 🇨🇻 ❌.
+
+, 🚥 `dict` 🔌:
+
+```Python
+{
+ "username": "johndoe",
+ "hashed_password": "some_hash",
+}
+```
+
+⚫️ 🔜 🚶♀️ `UserInDB` :
+
+```Python
+UserInDB(username="johndoe", hashed_password="some_hash")
+```
+
+## ✍ 👆 **FastAPI** 📟
+
+### ✍ `FastAPI` 📱
+
+```Python hl_lines="46"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+### ✍ *➡ 🛠️ 🔢*
+
+👆 📟 🤙 🗄 & 👥 🚫 ⚙️ <a href="https://docs.couchbase.com/python-sdk/2.5/async-programming.html#asyncio-python-3-5" class="external-link" target="_blank">🥼 🐍 <code>await</code> 🐕🦺</a>, 👥 🔜 📣 👆 🔢 ⏮️ 😐 `def` ↩️ `async def`.
+
+, 🗄 👍 🚫 ⚙️ 👁 `Bucket` 🎚 💗 "<abbr title="A sequence of code being executed by the program, while at the same time, or at intervals, there can be others being executed too.">🧵</abbr>Ⓜ",, 👥 💪 🤚 🥡 🔗 & 🚶♀️ ⚫️ 👆 🚙 🔢:
+
+```Python hl_lines="49-53"
+{!../../../docs_src/nosql_databases/tutorial001.py!}
+```
+
+## 🌃
+
+👆 💪 🛠️ 🙆 🥉 🥳 ☁ 💽, ⚙️ 👫 🐩 📦.
+
+🎏 ✔ 🙆 🎏 🔢 🧰, ⚙️ ⚖️ 🛠️.
--- /dev/null
+# 🗄 ⏲
+
+👆 💪 ✍ 🛠️ ⏮️ *➡ 🛠️* 👈 💪 ⏲ 📨 *🔢 🛠️* ✍ 👱 🙆 (🎲 🎏 👩💻 👈 🔜 *⚙️* 👆 🛠️).
+
+🛠️ 👈 🔨 🕐❔ 👆 🛠️ 📱 🤙 *🔢 🛠️* 📛 "⏲". ↩️ 🖥 👈 🔢 👩💻 ✍ 📨 📨 👆 🛠️ & ⤴️ 👆 🛠️ *🤙 🔙*, 📨 📨 *🔢 🛠️* (👈 🎲 ✍ 🎏 👩💻).
+
+👉 💼, 👆 💪 💚 📄 ❔ 👈 🔢 🛠️ *🔜* 👀 💖. ⚫️❔ *➡ 🛠️* ⚫️ 🔜 ✔️, ⚫️❔ 💪 ⚫️ 🔜 ⌛, ⚫️❔ 📨 ⚫️ 🔜 📨, ♒️.
+
+## 📱 ⏮️ ⏲
+
+➡️ 👀 🌐 👉 ⏮️ 🖼.
+
+🌈 👆 🛠️ 📱 👈 ✔ 🏗 🧾.
+
+👉 🧾 🔜 ✔️ `id`, `title` (📦), `customer`, & `total`.
+
+👩💻 👆 🛠️ (🔢 👩💻) 🔜 ✍ 🧾 👆 🛠️ ⏮️ 🏤 📨.
+
+⤴️ 👆 🛠️ 🔜 (➡️ 🌈):
+
+* 📨 🧾 🕴 🔢 👩💻.
+* 📈 💸.
+* 📨 📨 🔙 🛠️ 👩💻 (🔢 👩💻).
+ * 👉 🔜 🔨 📨 🏤 📨 (⚪️➡️ *👆 🛠️*) *🔢 🛠️* 🚚 👈 🔢 👩💻 (👉 "⏲").
+
+## 😐 **FastAPI** 📱
+
+➡️ 🥇 👀 ❔ 😐 🛠️ 📱 🔜 👀 💖 ⏭ ❎ ⏲.
+
+⚫️ 🔜 ✔️ *➡ 🛠️* 👈 🔜 📨 `Invoice` 💪, & 🔢 🔢 `callback_url` 👈 🔜 🔌 📛 ⏲.
+
+👉 🍕 📶 😐, 🌅 📟 🎲 ⏪ 😰 👆:
+
+```Python hl_lines="9-13 36-53"
+{!../../../docs_src/openapi_callbacks/tutorial001.py!}
+```
+
+!!! tip
+ `callback_url` 🔢 🔢 ⚙️ Pydantic <a href="https://pydantic-docs.helpmanual.io/usage/types/#urls" class="external-link" target="_blank">📛</a> 🆎.
+
+🕴 🆕 👜 `callbacks=messages_callback_router.routes` ❌ *➡ 🛠️ 👨🎨*. 👥 🔜 👀 ⚫️❔ 👈 ⏭.
+
+## 🔬 ⏲
+
+☑ ⏲ 📟 🔜 🪀 🙇 🔛 👆 👍 🛠️ 📱.
+
+& ⚫️ 🔜 🎲 🪀 📚 ⚪️➡️ 1️⃣ 📱 ⏭.
+
+⚫️ 💪 1️⃣ ⚖️ 2️⃣ ⏸ 📟, 💖:
+
+```Python
+callback_url = "https://example.com/api/v1/invoices/events/"
+httpx.post(callback_url, json={"description": "Invoice paid", "paid": True})
+```
+
+✋️ 🎲 🏆 ⚠ 🍕 ⏲ ⚒ 💭 👈 👆 🛠️ 👩💻 (🔢 👩💻) 🛠️ *🔢 🛠️* ☑, 🛄 💽 👈 *👆 🛠️* 🔜 📨 📨 💪 ⏲, ♒️.
+
+, ⚫️❔ 👥 🔜 ⏭ 🚮 📟 📄 ❔ 👈 *🔢 🛠️* 🔜 👀 💖 📨 ⏲ ⚪️➡️ *👆 🛠️*.
+
+👈 🧾 🔜 🎦 🆙 🦁 🎚 `/docs` 👆 🛠️, & ⚫️ 🔜 ➡️ 🔢 👩💻 💭 ❔ 🏗 *🔢 🛠️*.
+
+👉 🖼 🚫 🛠️ ⏲ ⚫️ (👈 💪 ⏸ 📟), 🕴 🧾 🍕.
+
+!!! tip
+ ☑ ⏲ 🇺🇸🔍 📨.
+
+ 🕐❔ 🛠️ ⏲ 👆, 👆 💪 ⚙️ 🕳 💖 <a href="https://www.python-httpx.org" class="external-link" target="_blank">🇸🇲</a> ⚖️ <a href="https://requests.readthedocs.io/" class="external-link" target="_blank">📨</a>.
+
+## ✍ ⏲ 🧾 📟
+
+👉 📟 🏆 🚫 🛠️ 👆 📱, 👥 🕴 💪 ⚫️ *📄* ❔ 👈 *🔢 🛠️* 🔜 👀 💖.
+
+✋️, 👆 ⏪ 💭 ❔ 💪 ✍ 🏧 🧾 🛠️ ⏮️ **FastAPI**.
+
+👥 🔜 ⚙️ 👈 🎏 💡 📄 ❔ *🔢 🛠️* 🔜 👀 💖... 🏗 *➡ 🛠️(Ⓜ)* 👈 🔢 🛠️ 🔜 🛠️ (🕐 👆 🛠️ 🔜 🤙).
+
+!!! tip
+ 🕐❔ ✍ 📟 📄 ⏲, ⚫️ 💪 ⚠ 🌈 👈 👆 👈 *🔢 👩💻*. & 👈 👆 ⏳ 🛠️ *🔢 🛠️*, 🚫 *👆 🛠️*.
+
+ 🍕 🛠️ 👉 ☝ 🎑 ( *🔢 👩💻*) 💪 ℹ 👆 💭 💖 ⚫️ 🌅 ⭐ 🌐❔ 🚮 🔢, Pydantic 🏷 💪, 📨, ♒️. 👈 *🔢 🛠️*.
+
+### ✍ ⏲ `APIRouter`
+
+🥇 ✍ 🆕 `APIRouter` 👈 🔜 🔌 1️⃣ ⚖️ 🌅 ⏲.
+
+```Python hl_lines="3 25"
+{!../../../docs_src/openapi_callbacks/tutorial001.py!}
+```
+
+### ✍ ⏲ *➡ 🛠️*
+
+✍ ⏲ *➡ 🛠️* ⚙️ 🎏 `APIRouter` 👆 ✍ 🔛.
+
+⚫️ 🔜 👀 💖 😐 FastAPI *➡ 🛠️*:
+
+* ⚫️ 🔜 🎲 ✔️ 📄 💪 ⚫️ 🔜 📨, ✅ `body: InvoiceEvent`.
+* & ⚫️ 💪 ✔️ 📄 📨 ⚫️ 🔜 📨, ✅ `response_model=InvoiceEventReceived`.
+
+```Python hl_lines="16-18 21-22 28-32"
+{!../../../docs_src/openapi_callbacks/tutorial001.py!}
+```
+
+📤 2️⃣ 👑 🔺 ⚪️➡️ 😐 *➡ 🛠️*:
+
+* ⚫️ 🚫 💪 ✔️ 🙆 ☑ 📟, ↩️ 👆 📱 🔜 🙅 🤙 👉 📟. ⚫️ 🕴 ⚙️ 📄 *🔢 🛠️*. , 🔢 💪 ✔️ `pass`.
+* *➡* 💪 🔌 <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#key-expression" class="external-link" target="_blank">🗄 3️⃣ 🧬</a> (👀 🌖 🔛) 🌐❔ ⚫️ 💪 ⚙️ 🔢 ⏮️ 🔢 & 🍕 ⏮️ 📨 📨 *👆 🛠️*.
+
+### ⏲ ➡ 🧬
+
+⏲ *➡* 💪 ✔️ <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#key-expression" class="external-link" target="_blank">🗄 3️⃣ 🧬</a> 👈 💪 🔌 🍕 ⏮️ 📨 📨 *👆 🛠️*.
+
+👉 💼, ⚫️ `str`:
+
+```Python
+"{$callback_url}/invoices/{$request.body.id}"
+```
+
+, 🚥 👆 🛠️ 👩💻 (🔢 👩💻) 📨 📨 *👆 🛠️* :
+
+```
+https://yourapi.com/invoices/?callback_url=https://www.external.org/events
+```
+
+⏮️ 🎻 💪:
+
+```JSON
+{
+ "id": "2expen51ve",
+ "customer": "Mr. Richie Rich",
+ "total": "9999"
+}
+```
+
+⤴️ *👆 🛠️* 🔜 🛠️ 🧾, & ☝ ⏪, 📨 ⏲ 📨 `callback_url` ( *🔢 🛠️*):
+
+```
+https://www.external.org/events/invoices/2expen51ve
+```
+
+⏮️ 🎻 💪 ⚗ 🕳 💖:
+
+```JSON
+{
+ "description": "Payment celebration",
+ "paid": true
+}
+```
+
+& ⚫️ 🔜 ⌛ 📨 ⚪️➡️ 👈 *🔢 🛠️* ⏮️ 🎻 💪 💖:
+
+```JSON
+{
+ "ok": true
+}
+```
+
+!!! tip
+ 👀 ❔ ⏲ 📛 ⚙️ 🔌 📛 📨 🔢 🔢 `callback_url` (`https://www.external.org/events`) & 🧾 `id` ⚪️➡️ 🔘 🎻 💪 (`2expen51ve`).
+
+### 🚮 ⏲ 📻
+
+👉 ☝ 👆 ✔️ *⏲ ➡ 🛠️(Ⓜ)* 💪 (1️⃣(Ⓜ) 👈 *🔢 👩💻* 🔜 🛠️ *🔢 🛠️*) ⏲ 📻 👆 ✍ 🔛.
+
+🔜 ⚙️ 🔢 `callbacks` *👆 🛠️ ➡ 🛠️ 👨🎨* 🚶♀️ 🔢 `.routes` (👈 🤙 `list` 🛣/*➡ 🛠️*) ⚪️➡️ 👈 ⏲ 📻:
+
+```Python hl_lines="35"
+{!../../../docs_src/openapi_callbacks/tutorial001.py!}
+```
+
+!!! tip
+ 👀 👈 👆 🚫 🚶♀️ 📻 ⚫️ (`invoices_callback_router`) `callback=`, ✋️ 🔢 `.routes`, `invoices_callback_router.routes`.
+
+### ✅ 🩺
+
+🔜 👆 💪 ▶️ 👆 📱 ⏮️ Uvicorn & 🚶 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 👆 🩺 ✅ "⏲" 📄 👆 *➡ 🛠️* 👈 🎦 ❔ *🔢 🛠️* 🔜 👀 💖:
+
+<img src="/img/tutorial/openapi-callbacks/image01.png">
--- /dev/null
+# ➡ 🛠️ 🏧 📳
+
+## 🗄 {
+
+!!! warning
+ 🚥 👆 🚫 "🕴" 🗄, 👆 🎲 🚫 💪 👉.
+
+👆 💪 ⚒ 🗄 `operationId` ⚙️ 👆 *➡ 🛠️* ⏮️ 🔢 `operation_id`.
+
+👆 🔜 ✔️ ⚒ 💭 👈 ⚫️ 😍 🔠 🛠️.
+
+```Python hl_lines="6"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial001.py!}
+```
+
+### ⚙️ *➡ 🛠️ 🔢* 📛 {
+
+🚥 👆 💚 ⚙️ 👆 🔗' 🔢 📛 `operationId`Ⓜ, 👆 💪 🔁 🤭 🌐 👫 & 🔐 🔠 *➡ 🛠️* `operation_id` ⚙️ 👫 `APIRoute.name`.
+
+👆 🔜 ⚫️ ⏮️ ❎ 🌐 👆 *➡ 🛠️*.
+
+```Python hl_lines="2 12-21 24"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial002.py!}
+```
+
+!!! tip
+ 🚥 👆 ❎ 🤙 `app.openapi()`, 👆 🔜 ℹ `operationId`Ⓜ ⏭ 👈.
+
+!!! warning
+ 🚥 👆 👉, 👆 ✔️ ⚒ 💭 🔠 1️⃣ 👆 *➡ 🛠️ 🔢* ✔️ 😍 📛.
+
+ 🚥 👫 🎏 🕹 (🐍 📁).
+
+## 🚫 ⚪️➡️ 🗄
+
+🚫 *➡ 🛠️* ⚪️➡️ 🏗 🗄 🔗 (& ➡️, ⚪️➡️ 🏧 🧾 ⚙️), ⚙️ 🔢 `include_in_schema` & ⚒ ⚫️ `False`:
+
+```Python hl_lines="6"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial003.py!}
+```
+
+## 🏧 📛 ⚪️➡️ #️⃣
+
+👆 💪 📉 ⏸ ⚙️ ⚪️➡️ #️⃣ *➡ 🛠️ 🔢* 🗄.
+
+❎ `\f` (😖 "📨 🍼" 🦹) 🤕 **FastAPI** 🔁 🔢 ⚙️ 🗄 👉 ☝.
+
+⚫️ 🏆 🚫 🎦 🆙 🧾, ✋️ 🎏 🧰 (✅ 🐉) 🔜 💪 ⚙️ 🎂.
+
+```Python hl_lines="19-29"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial004.py!}
+```
+
+## 🌖 📨
+
+👆 🎲 ✔️ 👀 ❔ 📣 `response_model` & `status_code` *➡ 🛠️*.
+
+👈 🔬 🗃 🔃 👑 📨 *➡ 🛠️*.
+
+👆 💪 📣 🌖 📨 ⏮️ 👫 🏷, 👔 📟, ♒️.
+
+📤 🎂 📃 📥 🧾 🔃 ⚫️, 👆 💪 ✍ ⚫️ [🌖 📨 🗄](./additional-responses.md){.internal-link target=_blank}.
+
+## 🗄 ➕
+
+🕐❔ 👆 📣 *➡ 🛠️* 👆 🈸, **FastAPI** 🔁 🏗 🔗 🗃 🔃 👈 *➡ 🛠️* 🔌 🗄 🔗.
+
+!!! note "📡 ℹ"
+ 🗄 🔧 ⚫️ 🤙 <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#operation-object" class="external-link" target="_blank">🛠️ 🎚</a>.
+
+⚫️ ✔️ 🌐 ℹ 🔃 *➡ 🛠️* & ⚙️ 🏗 🏧 🧾.
+
+⚫️ 🔌 `tags`, `parameters`, `requestBody`, `responses`, ♒️.
+
+👉 *➡ 🛠️*-🎯 🗄 🔗 🛎 🏗 🔁 **FastAPI**, ✋️ 👆 💪 ↔ ⚫️.
+
+!!! tip
+ 👉 🔅 🎚 ↔ ☝.
+
+ 🚥 👆 🕴 💪 📣 🌖 📨, 🌅 🏪 🌌 ⚫️ ⏮️ [🌖 📨 🗄](./additional-responses.md){.internal-link target=_blank}.
+
+👆 💪 ↔ 🗄 🔗 *➡ 🛠️* ⚙️ 🔢 `openapi_extra`.
+
+### 🗄 ↔
+
+👉 `openapi_extra` 💪 👍, 🖼, 📣 [🗄 ↔](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#specificationExtensions):
+
+```Python hl_lines="6"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial005.py!}
+```
+
+🚥 👆 📂 🏧 🛠️ 🩺, 👆 ↔ 🔜 🎦 🆙 🔝 🎯 *➡ 🛠️*.
+
+<img src="/img/tutorial/path-operation-advanced-configuration/image01.png">
+
+& 🚥 👆 👀 📉 🗄 ( `/openapi.json` 👆 🛠️), 👆 🔜 👀 👆 ↔ 🍕 🎯 *➡ 🛠️* 💁♂️:
+
+```JSON hl_lines="22"
+{
+ "openapi": "3.0.2",
+ "info": {
+ "title": "FastAPI",
+ "version": "0.1.0"
+ },
+ "paths": {
+ "/items/": {
+ "get": {
+ "summary": "Read Items",
+ "operationId": "read_items_items__get",
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ }
+ }
+ },
+ "x-aperture-labs-portal": "blue"
+ }
+ }
+ }
+}
+```
+
+### 🛃 🗄 *➡ 🛠️* 🔗
+
+📖 `openapi_extra` 🔜 🙇 🔗 ⏮️ 🔁 🏗 🗄 🔗 *➡ 🛠️*.
+
+, 👆 💪 🚮 🌖 💽 🔁 🏗 🔗.
+
+🖼, 👆 💪 💭 ✍ & ✔ 📨 ⏮️ 👆 👍 📟, 🍵 ⚙️ 🏧 ⚒ FastAPI ⏮️ Pydantic, ✋️ 👆 💪 💚 🔬 📨 🗄 🔗.
+
+👆 💪 👈 ⏮️ `openapi_extra`:
+
+```Python hl_lines="20-37 39-40"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial006.py!}
+```
+
+👉 🖼, 👥 🚫 📣 🙆 Pydantic 🏷. 👐, 📨 💪 🚫 <abbr title="converted from some plain format, like bytes, into Python objects">🎻</abbr> 🎻, ⚫️ ✍ 🔗 `bytes`, & 🔢 `magic_data_reader()` 🔜 🈚 🎻 ⚫️ 🌌.
+
+👐, 👥 💪 📣 📈 🔗 📨 💪.
+
+### 🛃 🗄 🎚 🆎
+
+⚙️ 👉 🎏 🎱, 👆 💪 ⚙️ Pydantic 🏷 🔬 🎻 🔗 👈 ⤴️ 🔌 🛃 🗄 🔗 📄 *➡ 🛠️*.
+
+& 👆 💪 👉 🚥 💽 🆎 📨 🚫 🎻.
+
+🖼, 👉 🈸 👥 🚫 ⚙️ FastAPI 🛠️ 🛠️ ⚗ 🎻 🔗 ⚪️➡️ Pydantic 🏷 🚫 🏧 🔬 🎻. 👐, 👥 📣 📨 🎚 🆎 📁, 🚫 🎻:
+
+```Python hl_lines="17-22 24"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial007.py!}
+```
+
+👐, 👐 👥 🚫 ⚙️ 🔢 🛠️ 🛠️, 👥 ⚙️ Pydantic 🏷 ❎ 🏗 🎻 🔗 💽 👈 👥 💚 📨 📁.
+
+⤴️ 👥 ⚙️ 📨 🔗, & ⚗ 💪 `bytes`. 👉 ⛓ 👈 FastAPI 🏆 🚫 🔄 🎻 📨 🚀 🎻.
+
+& ⤴️ 👆 📟, 👥 🎻 👈 📁 🎚 🔗, & ⤴️ 👥 🔄 ⚙️ 🎏 Pydantic 🏷 ✔ 📁 🎚:
+
+```Python hl_lines="26-33"
+{!../../../docs_src/path_operation_advanced_configuration/tutorial007.py!}
+```
+
+!!! tip
+ 📥 👥 🏤-⚙️ 🎏 Pydantic 🏷.
+
+ ✋️ 🎏 🌌, 👥 💪 ✔️ ✔ ⚫️ 🎏 🌌.
--- /dev/null
+# 📨 - 🔀 👔 📟
+
+👆 🎲 ✍ ⏭ 👈 👆 💪 ⚒ 🔢 [📨 👔 📟](../tutorial/response-status-code.md){.internal-link target=_blank}.
+
+✋️ 💼 👆 💪 📨 🎏 👔 📟 🌘 🔢.
+
+## ⚙️ 💼
+
+🖼, 🌈 👈 👆 💚 📨 🇺🇸🔍 👔 📟 "👌" `200` 🔢.
+
+✋️ 🚥 💽 🚫 🔀, 👆 💚 ✍ ⚫️, & 📨 🇺🇸🔍 👔 📟 "✍" `201`.
+
+✋️ 👆 💚 💪 ⛽ & 🗜 💽 👆 📨 ⏮️ `response_model`.
+
+📚 💼, 👆 💪 ⚙️ `Response` 🔢.
+
+## ⚙️ `Response` 🔢
+
+👆 💪 📣 🔢 🆎 `Response` 👆 *➡ 🛠️ 🔢* (👆 💪 🍪 & 🎚).
+
+& ⤴️ 👆 💪 ⚒ `status_code` 👈 *🔀* 📨 🎚.
+
+```Python hl_lines="1 9 12"
+{!../../../docs_src/response_change_status_code/tutorial001.py!}
+```
+
+& ⤴️ 👆 💪 📨 🙆 🎚 👆 💪, 👆 🛎 🔜 ( `dict`, 💽 🏷, ♒️).
+
+& 🚥 👆 📣 `response_model`, ⚫️ 🔜 ⚙️ ⛽ & 🗜 🎚 👆 📨.
+
+**FastAPI** 🔜 ⚙️ 👈 *🔀* 📨 ⚗ 👔 📟 (🍪 & 🎚), & 🔜 🚮 👫 🏁 📨 👈 🔌 💲 👆 📨, ⛽ 🙆 `response_model`.
+
+👆 💪 📣 `Response` 🔢 🔗, & ⚒ 👔 📟 👫. ✋️ ✔️ 🤯 👈 🏁 1️⃣ ⚒ 🔜 🏆.
--- /dev/null
+# 📨 🍪
+
+## ⚙️ `Response` 🔢
+
+👆 💪 📣 🔢 🆎 `Response` 👆 *➡ 🛠️ 🔢*.
+
+& ⤴️ 👆 💪 ⚒ 🍪 👈 *🔀* 📨 🎚.
+
+```Python hl_lines="1 8-9"
+{!../../../docs_src/response_cookies/tutorial002.py!}
+```
+
+& ⤴️ 👆 💪 📨 🙆 🎚 👆 💪, 👆 🛎 🔜 ( `dict`, 💽 🏷, ♒️).
+
+& 🚥 👆 📣 `response_model`, ⚫️ 🔜 ⚙️ ⛽ & 🗜 🎚 👆 📨.
+
+**FastAPI** 🔜 ⚙️ 👈 *🔀* 📨 ⚗ 🍪 (🎚 & 👔 📟), & 🔜 🚮 👫 🏁 📨 👈 🔌 💲 👆 📨, ⛽ 🙆 `response_model`.
+
+👆 💪 📣 `Response` 🔢 🔗, & ⚒ 🍪 (& 🎚) 👫.
+
+## 📨 `Response` 🔗
+
+👆 💪 ✍ 🍪 🕐❔ 🛬 `Response` 🔗 👆 📟.
+
+👈, 👆 💪 ✍ 📨 🔬 [📨 📨 🔗](response-directly.md){.internal-link target=_blank}.
+
+⤴️ ⚒ 🍪 ⚫️, & ⤴️ 📨 ⚫️:
+
+```Python hl_lines="10-12"
+{!../../../docs_src/response_cookies/tutorial001.py!}
+```
+
+!!! tip
+ ✔️ 🤯 👈 🚥 👆 📨 📨 🔗 ↩️ ⚙️ `Response` 🔢, FastAPI 🔜 📨 ⚫️ 🔗.
+
+ , 👆 🔜 ✔️ ⚒ 💭 👆 💽 ☑ 🆎. 🤶 Ⓜ. ⚫️ 🔗 ⏮️ 🎻, 🚥 👆 🛬 `JSONResponse`.
+
+ & 👈 👆 🚫 📨 🙆 📊 👈 🔜 ✔️ ⛽ `response_model`.
+
+### 🌅 ℹ
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import Response` ⚖️ `from starlette.responses import JSONResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃.
+
+ & `Response` 💪 ⚙️ 🛎 ⚒ 🎚 & 🍪, **FastAPI** 🚚 ⚫️ `fastapi.Response`.
+
+👀 🌐 💪 🔢 & 🎛, ✅ <a href="https://www.starlette.io/responses/#set-cookie" class="external-link" target="_blank">🧾 💃</a>.
--- /dev/null
+# 📨 📨 🔗
+
+🕐❔ 👆 ✍ **FastAPI** *➡ 🛠️* 👆 💪 🛎 📨 🙆 📊 ⚪️➡️ ⚫️: `dict`, `list`, Pydantic 🏷, 💽 🏷, ♒️.
+
+🔢, **FastAPI** 🔜 🔁 🗜 👈 📨 💲 🎻 ⚙️ `jsonable_encoder` 🔬 [🎻 🔗 🔢](../tutorial/encoder.md){.internal-link target=_blank}.
+
+⤴️, ⛅ 🎑, ⚫️ 🔜 🚮 👈 🎻-🔗 💽 (✅ `dict`) 🔘 `JSONResponse` 👈 🔜 ⚙️ 📨 📨 👩💻.
+
+✋️ 👆 💪 📨 `JSONResponse` 🔗 ⚪️➡️ 👆 *➡ 🛠️*.
+
+⚫️ 💪 ⚠, 🖼, 📨 🛃 🎚 ⚖️ 🍪.
+
+## 📨 `Response`
+
+👐, 👆 💪 📨 🙆 `Response` ⚖️ 🙆 🎧-🎓 ⚫️.
+
+!!! tip
+ `JSONResponse` ⚫️ 🎧-🎓 `Response`.
+
+& 🕐❔ 👆 📨 `Response`, **FastAPI** 🔜 🚶♀️ ⚫️ 🔗.
+
+⚫️ 🏆 🚫 🙆 💽 🛠️ ⏮️ Pydantic 🏷, ⚫️ 🏆 🚫 🗜 🎚 🙆 🆎, ♒️.
+
+👉 🤝 👆 📚 💪. 👆 💪 📨 🙆 📊 🆎, 🔐 🙆 💽 📄 ⚖️ 🔬, ♒️.
+
+## ⚙️ `jsonable_encoder` `Response`
+
+↩️ **FastAPI** 🚫 🙆 🔀 `Response` 👆 📨, 👆 ✔️ ⚒ 💭 ⚫️ 🎚 🔜 ⚫️.
+
+🖼, 👆 🚫🔜 🚮 Pydantic 🏷 `JSONResponse` 🍵 🥇 🏭 ⚫️ `dict` ⏮️ 🌐 📊 🆎 (💖 `datetime`, `UUID`, ♒️) 🗜 🎻-🔗 🆎.
+
+📚 💼, 👆 💪 ⚙️ `jsonable_encoder` 🗜 👆 📊 ⏭ 🚶♀️ ⚫️ 📨:
+
+```Python hl_lines="6-7 21-22"
+{!../../../docs_src/response_directly/tutorial001.py!}
+```
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import JSONResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃.
+
+## 🛬 🛃 `Response`
+
+🖼 🔛 🎦 🌐 🍕 👆 💪, ✋️ ⚫️ 🚫 📶 ⚠, 👆 💪 ✔️ 📨 `item` 🔗, & **FastAPI** 🔜 🚮 ⚫️ `JSONResponse` 👆, 🏭 ⚫️ `dict`, ♒️. 🌐 👈 🔢.
+
+🔜, ➡️ 👀 ❔ 👆 💪 ⚙️ 👈 📨 🛃 📨.
+
+➡️ 💬 👈 👆 💚 📨 <a href="https://en.wikipedia.org/wiki/XML" class="external-link" target="_blank">📂</a> 📨.
+
+👆 💪 🚮 👆 📂 🎚 🎻, 🚮 ⚫️ `Response`, & 📨 ⚫️:
+
+```Python hl_lines="1 18"
+{!../../../docs_src/response_directly/tutorial002.py!}
+```
+
+## 🗒
+
+🕐❔ 👆 📨 `Response` 🔗 🚮 📊 🚫 ✔, 🗜 (🎻), 🚫 📄 🔁.
+
+✋️ 👆 💪 📄 ⚫️ 🔬 [🌖 📨 🗄](additional-responses.md){.internal-link target=_blank}.
+
+👆 💪 👀 ⏪ 📄 ❔ ⚙️/📣 👉 🛃 `Response`Ⓜ ⏪ ✔️ 🏧 💽 🛠️, 🧾, ♒️.
--- /dev/null
+# 📨 🎚
+
+## ⚙️ `Response` 🔢
+
+👆 💪 📣 🔢 🆎 `Response` 👆 *➡ 🛠️ 🔢* (👆 💪 🍪).
+
+& ⤴️ 👆 💪 ⚒ 🎚 👈 *🔀* 📨 🎚.
+
+```Python hl_lines="1 7-8"
+{!../../../docs_src/response_headers/tutorial002.py!}
+```
+
+& ⤴️ 👆 💪 📨 🙆 🎚 👆 💪, 👆 🛎 🔜 ( `dict`, 💽 🏷, ♒️).
+
+& 🚥 👆 📣 `response_model`, ⚫️ 🔜 ⚙️ ⛽ & 🗜 🎚 👆 📨.
+
+**FastAPI** 🔜 ⚙️ 👈 *🔀* 📨 ⚗ 🎚 (🍪 & 👔 📟), & 🔜 🚮 👫 🏁 📨 👈 🔌 💲 👆 📨, ⛽ 🙆 `response_model`.
+
+👆 💪 📣 `Response` 🔢 🔗, & ⚒ 🎚 (& 🍪) 👫.
+
+## 📨 `Response` 🔗
+
+👆 💪 🚮 🎚 🕐❔ 👆 📨 `Response` 🔗.
+
+✍ 📨 🔬 [📨 📨 🔗](response-directly.md){.internal-link target=_blank} & 🚶♀️ 🎚 🌖 🔢:
+
+```Python hl_lines="10-12"
+{!../../../docs_src/response_headers/tutorial001.py!}
+```
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import Response` ⚖️ `from starlette.responses import JSONResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃.
+
+ & `Response` 💪 ⚙️ 🛎 ⚒ 🎚 & 🍪, **FastAPI** 🚚 ⚫️ `fastapi.Response`.
+
+## 🛃 🎚
+
+✔️ 🤯 👈 🛃 © 🎚 💪 🚮 <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">⚙️ '✖-' 🔡</a>.
+
+✋️ 🚥 👆 ✔️ 🛃 🎚 👈 👆 💚 👩💻 🖥 💪 👀, 👆 💪 🚮 👫 👆 ⚜ 📳 (✍ 🌅 [⚜ (✖️-🇨🇳 ℹ 🤝)](../tutorial/cors.md){.internal-link target=_blank}), ⚙️ 🔢 `expose_headers` 📄 <a href="https://www.starlette.io/middleware/#corsmiddleware" class="external-link" target="_blank">💃 ⚜ 🩺</a>.
--- /dev/null
+# 🇺🇸🔍 🔰 🔐
+
+🙅 💼, 👆 💪 ⚙️ 🇺🇸🔍 🔰 🔐.
+
+🇺🇸🔍 🔰 🔐, 🈸 ⌛ 🎚 👈 🔌 🆔 & 🔐.
+
+🚥 ⚫️ 🚫 📨 ⚫️, ⚫️ 📨 🇺🇸🔍 4️⃣0️⃣1️⃣ "⛔" ❌.
+
+& 📨 🎚 `WWW-Authenticate` ⏮️ 💲 `Basic`, & 📦 `realm` 🔢.
+
+👈 💬 🖥 🎦 🛠️ 📋 🆔 & 🔐.
+
+⤴️, 🕐❔ 👆 🆎 👈 🆔 & 🔐, 🖥 📨 👫 🎚 🔁.
+
+## 🙅 🇺🇸🔍 🔰 🔐
+
+* 🗄 `HTTPBasic` & `HTTPBasicCredentials`.
+* ✍ "`security` ⚖" ⚙️ `HTTPBasic`.
+* ⚙️ 👈 `security` ⏮️ 🔗 👆 *➡ 🛠️*.
+* ⚫️ 📨 🎚 🆎 `HTTPBasicCredentials`:
+ * ⚫️ 🔌 `username` & `password` 📨.
+
+```Python hl_lines="2 6 10"
+{!../../../docs_src/security/tutorial006.py!}
+```
+
+🕐❔ 👆 🔄 📂 📛 🥇 🕰 (⚖️ 🖊 "🛠️" 🔼 🩺) 🖥 🔜 💭 👆 👆 🆔 & 🔐:
+
+<img src="/img/tutorial/security/image12.png">
+
+## ✅ 🆔
+
+📥 🌅 🏁 🖼.
+
+⚙️ 🔗 ✅ 🚥 🆔 & 🔐 ☑.
+
+👉, ⚙️ 🐍 🐩 🕹 <a href="https://docs.python.org/3/library/secrets.html" class="external-link" target="_blank">`secrets`</a> ✅ 🆔 & 🔐.
+
+`secrets.compare_digest()` 💪 ✊ `bytes` ⚖️ `str` 👈 🕴 🔌 🔠 🦹 (🕐 🇪🇸), 👉 ⛓ ⚫️ 🚫🔜 👷 ⏮️ 🦹 💖 `á`, `Sebastián`.
+
+🍵 👈, 👥 🥇 🗜 `username` & `password` `bytes` 🔢 👫 ⏮️ 🔠-8️⃣.
+
+⤴️ 👥 💪 ⚙️ `secrets.compare_digest()` 🚚 👈 `credentials.username` `"stanleyjobson"`, & 👈 `credentials.password` `"swordfish"`.
+
+```Python hl_lines="1 11-21"
+{!../../../docs_src/security/tutorial007.py!}
+```
+
+👉 🔜 🎏:
+
+```Python
+if not (credentials.username == "stanleyjobson") or not (credentials.password == "swordfish"):
+ # Return some error
+ ...
+```
+
+✋️ ⚙️ `secrets.compare_digest()` ⚫️ 🔜 🔐 🛡 🆎 👊 🤙 "🕰 👊".
+
+### ⏲ 👊
+
+✋️ ⚫️❔ "⏲ 👊"❓
+
+➡️ 🌈 👊 🔄 💭 🆔 & 🔐.
+
+& 👫 📨 📨 ⏮️ 🆔 `johndoe` & 🔐 `love123`.
+
+⤴️ 🐍 📟 👆 🈸 🔜 🌓 🕳 💖:
+
+```Python
+if "johndoe" == "stanleyjobson" and "love123" == "swordfish":
+ ...
+```
+
+✋️ ▶️️ 🙍 🐍 🔬 🥇 `j` `johndoe` 🥇 `s` `stanleyjobson`, ⚫️ 🔜 📨 `False`, ↩️ ⚫️ ⏪ 💭 👈 📚 2️⃣ 🎻 🚫 🎏, 💭 👈 "📤 🙅♂ 💪 🗑 🌅 📊 ⚖ 🎂 🔤". & 👆 🈸 🔜 💬 "❌ 👩💻 ⚖️ 🔐".
+
+✋️ ⤴️ 👊 🔄 ⏮️ 🆔 `stanleyjobsox` & 🔐 `love123`.
+
+& 👆 🈸 📟 🔨 🕳 💖:
+
+```Python
+if "stanleyjobsox" == "stanleyjobson" and "love123" == "swordfish":
+ ...
+```
+
+🐍 🔜 ✔️ 🔬 🎂 `stanleyjobso` 👯♂️ `stanleyjobsox` & `stanleyjobson` ⏭ 🤔 👈 👯♂️ 🎻 🚫 🎏. ⚫️ 🔜 ✊ ➕ ⏲ 📨 🔙 "❌ 👩💻 ⚖️ 🔐".
+
+#### 🕰 ❔ ℹ 👊
+
+👈 ☝, 👀 👈 💽 ✊ ⏲ 📏 📨 "❌ 👩💻 ⚖️ 🔐" 📨, 👊 🔜 💭 👈 👫 🤚 _🕳_ ▶️️, ▶️ 🔤 ▶️️.
+
+& ⤴️ 👫 💪 🔄 🔄 🤔 👈 ⚫️ 🎲 🕳 🌖 🎏 `stanleyjobsox` 🌘 `johndoe`.
+
+#### "🕴" 👊
+
+↗️, 👊 🔜 🚫 🔄 🌐 👉 ✋, 👫 🔜 ✍ 📋 ⚫️, 🎲 ⏮️ 💯 ⚖️ 💯 💯 📍 🥈. & 🔜 🤚 1️⃣ ➕ ☑ 🔤 🕰.
+
+✋️ 🔨 👈, ⏲ ⚖️ 📆 👊 🔜 ✔️ 💭 ☑ 🆔 & 🔐, ⏮️ "ℹ" 👆 🈸, ⚙️ 🕰 ✊ ❔.
+
+#### 🔧 ⚫️ ⏮️ `secrets.compare_digest()`
+
+✋️ 👆 📟 👥 🤙 ⚙️ `secrets.compare_digest()`.
+
+📏, ⚫️ 🔜 ✊ 🎏 🕰 🔬 `stanleyjobsox` `stanleyjobson` 🌘 ⚫️ ✊ 🔬 `johndoe` `stanleyjobson`. & 🎏 🔐.
+
+👈 🌌, ⚙️ `secrets.compare_digest()` 👆 🈸 📟, ⚫️ 🔜 🔒 🛡 👉 🎂 ↔ 💂♂ 👊.
+
+### 📨 ❌
+
+⏮️ 🔍 👈 🎓 ❌, 📨 `HTTPException` ⏮️ 👔 📟 4️⃣0️⃣1️⃣ (🎏 📨 🕐❔ 🙅♂ 🎓 🚚) & 🚮 🎚 `WWW-Authenticate` ⚒ 🖥 🎦 💳 📋 🔄:
+
+```Python hl_lines="23-27"
+{!../../../docs_src/security/tutorial007.py!}
+```
--- /dev/null
+# 🏧 💂♂ - 🎶
+
+## 🌖 ⚒
+
+📤 ➕ ⚒ 🍵 💂♂ ↖️ ⚪️➡️ 🕐 📔 [🔰 - 👩💻 🦮: 💂♂](../../tutorial/security/){.internal-link target=_blank}.
+
+!!! tip
+ ⏭ 📄 **🚫 🎯 "🏧"**.
+
+ & ⚫️ 💪 👈 👆 ⚙️ 💼, ⚗ 1️⃣ 👫.
+
+## ✍ 🔰 🥇
+
+⏭ 📄 🤔 👆 ⏪ ✍ 👑 [🔰 - 👩💻 🦮: 💂♂](../../tutorial/security/){.internal-link target=_blank}.
+
+👫 🌐 ⚓️ 🔛 🎏 🔧, ✋️ ✔ ➕ 🛠️.
--- /dev/null
+# Oauth2️⃣ ↔
+
+👆 💪 ⚙️ Oauth2️⃣ ↔ 🔗 ⏮️ **FastAPI**, 👫 🛠️ 👷 💎.
+
+👉 🔜 ✔ 👆 ✔️ 🌖 👌-🧽 ✔ ⚙️, 📄 Oauth2️⃣ 🐩, 🛠️ 🔘 👆 🗄 🈸 (& 🛠️ 🩺).
+
+Oauth2️⃣ ⏮️ ↔ 🛠️ ⚙️ 📚 🦏 🤝 🐕🦺, 💖 👱📔, 🇺🇸🔍, 📂, 🤸♂, 👱📔, ♒️. 👫 ⚙️ ⚫️ 🚚 🎯 ✔ 👩💻 & 🈸.
+
+🔠 🕰 👆 "🕹 ⏮️" 👱📔, 🇺🇸🔍, 📂, 🤸♂, 👱📔, 👈 🈸 ⚙️ Oauth2️⃣ ⏮️ ↔.
+
+👉 📄 👆 🔜 👀 ❔ 🛠️ 🤝 & ✔ ⏮️ 🎏 Oauth2️⃣ ⏮️ ↔ 👆 **FastAPI** 🈸.
+
+!!! warning
+ 👉 🌅 ⚖️ 🌘 🏧 📄. 🚥 👆 ▶️, 👆 💪 🚶 ⚫️.
+
+ 👆 🚫 🎯 💪 Oauth2️⃣ ↔, & 👆 💪 🍵 🤝 & ✔ 👐 👆 💚.
+
+ ✋️ Oauth2️⃣ ⏮️ ↔ 💪 🎆 🛠️ 🔘 👆 🛠️ (⏮️ 🗄) & 👆 🛠️ 🩺.
+
+ 👐, 👆 🛠️ 📚 ↔, ⚖️ 🙆 🎏 💂♂/✔ 📄, 👐 👆 💪, 👆 📟.
+
+ 📚 💼, Oauth2️⃣ ⏮️ ↔ 💪 👹.
+
+ ✋️ 🚥 👆 💭 👆 💪 ⚫️, ⚖️ 👆 😟, 🚧 👂.
+
+## Oauth2️⃣ ↔ & 🗄
+
+Oauth2️⃣ 🔧 🔬 "↔" 📇 🎻 🎏 🚀.
+
+🎚 🔠 👉 🎻 💪 ✔️ 🙆 📁, ✋️ 🔜 🚫 🔌 🚀.
+
+👫 ↔ 🎨 "✔".
+
+🗄 (✅ 🛠️ 🩺), 👆 💪 🔬 "💂♂ ⚖".
+
+🕐❔ 1️⃣ 👫 💂♂ ⚖ ⚙️ Oauth2️⃣, 👆 💪 📣 & ⚙️ ↔.
+
+🔠 "↔" 🎻 (🍵 🚀).
+
+👫 🛎 ⚙️ 📣 🎯 💂♂ ✔, 🖼:
+
+* `users:read` ⚖️ `users:write` ⚠ 🖼.
+* `instagram_basic` ⚙️ 👱📔 / 👱📔.
+* `https://www.googleapis.com/auth/drive` ⚙️ 🇺🇸🔍.
+
+!!! info
+ Oauth2️⃣ "↔" 🎻 👈 📣 🎯 ✔ ✔.
+
+ ⚫️ 🚫 🤔 🚥 ⚫️ ✔️ 🎏 🦹 💖 `:` ⚖️ 🚥 ⚫️ 📛.
+
+ 👈 ℹ 🛠️ 🎯.
+
+ Oauth2️⃣ 👫 🎻.
+
+## 🌐 🎑
+
+🥇, ➡️ 🔜 👀 🍕 👈 🔀 ⚪️➡️ 🖼 👑 **🔰 - 👩💻 🦮** [Oauth2️⃣ ⏮️ 🔐 (& 🔁), 📨 ⏮️ 🥙 🤝](../../tutorial/security/oauth2-jwt.md){.internal-link target=_blank}. 🔜 ⚙️ Oauth2️⃣ ↔:
+
+```Python hl_lines="2 4 8 12 46 64 105 107-115 121-124 128-134 139 153"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+🔜 ➡️ 📄 👈 🔀 🔁 🔁.
+
+## Oauth2️⃣ 💂♂ ⚖
+
+🥇 🔀 👈 🔜 👥 📣 Oauth2️⃣ 💂♂ ⚖ ⏮️ 2️⃣ 💪 ↔, `me` & `items`.
+
+`scopes` 🔢 📨 `dict` ⏮️ 🔠 ↔ 🔑 & 📛 💲:
+
+```Python hl_lines="62-65"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+↩️ 👥 🔜 📣 📚 ↔, 👫 🔜 🎦 🆙 🛠️ 🩺 🕐❔ 👆 🕹-/✔.
+
+& 👆 🔜 💪 🖊 ❔ ↔ 👆 💚 🤝 🔐: `me` & `items`.
+
+👉 🎏 🛠️ ⚙️ 🕐❔ 👆 🤝 ✔ ⏪ 🚨 ⏮️ 👱📔, 🇺🇸🔍, 📂, ♒️:
+
+<img src="/img/tutorial/security/image11.png">
+
+## 🥙 🤝 ⏮️ ↔
+
+🔜, 🔀 🤝 *➡ 🛠️* 📨 ↔ 📨.
+
+👥 ⚙️ 🎏 `OAuth2PasswordRequestForm`. ⚫️ 🔌 🏠 `scopes` ⏮️ `list` `str`, ⏮️ 🔠 ↔ ⚫️ 📨 📨.
+
+& 👥 📨 ↔ 🍕 🥙 🤝.
+
+!!! danger
+ 🦁, 📥 👥 ❎ ↔ 📨 🔗 🤝.
+
+ ✋️ 👆 🈸, 💂♂, 👆 🔜 ⚒ 💭 👆 🕴 🚮 ↔ 👈 👩💻 🤙 💪 ✔️, ⚖️ 🕐 👆 ✔️ 🔁.
+
+```Python hl_lines="153"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+## 📣 ↔ *➡ 🛠️* & 🔗
+
+🔜 👥 📣 👈 *➡ 🛠️* `/users/me/items/` 🚚 ↔ `items`.
+
+👉, 👥 🗄 & ⚙️ `Security` ⚪️➡️ `fastapi`.
+
+👆 💪 ⚙️ `Security` 📣 🔗 (💖 `Depends`), ✋️ `Security` 📨 🔢 `scopes` ⏮️ 📇 ↔ (🎻).
+
+👉 💼, 👥 🚶♀️ 🔗 🔢 `get_current_active_user` `Security` (🎏 🌌 👥 🔜 ⏮️ `Depends`).
+
+✋️ 👥 🚶♀️ `list` ↔, 👉 💼 ⏮️ 1️⃣ ↔: `items` (⚫️ 💪 ✔️ 🌅).
+
+& 🔗 🔢 `get_current_active_user` 💪 📣 🎧-🔗, 🚫 🕴 ⏮️ `Depends` ✋️ ⏮️ `Security`. 📣 🚮 👍 🎧-🔗 🔢 (`get_current_user`), & 🌖 ↔ 📄.
+
+👉 💼, ⚫️ 🚚 ↔ `me` (⚫️ 💪 🚚 🌅 🌘 1️⃣ ↔).
+
+!!! note
+ 👆 🚫 🎯 💪 🚮 🎏 ↔ 🎏 🥉.
+
+ 👥 🔨 ⚫️ 📥 🎦 ❔ **FastAPI** 🍵 ↔ 📣 🎏 🎚.
+
+```Python hl_lines="4 139 166"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+!!! info "📡 ℹ"
+ `Security` 🤙 🏿 `Depends`, & ⚫️ ✔️ 1️⃣ ➕ 🔢 👈 👥 🔜 👀 ⏪.
+
+ ✋️ ⚙️ `Security` ↩️ `Depends`, **FastAPI** 🔜 💭 👈 ⚫️ 💪 📣 💂♂ ↔, ⚙️ 👫 🔘, & 📄 🛠️ ⏮️ 🗄.
+
+ ✋️ 🕐❔ 👆 🗄 `Query`, `Path`, `Depends`, `Security` & 🎏 ⚪️➡️ `fastapi`, 👈 🤙 🔢 👈 📨 🎁 🎓.
+
+## ⚙️ `SecurityScopes`
+
+🔜 ℹ 🔗 `get_current_user`.
+
+👉 1️⃣ ⚙️ 🔗 🔛.
+
+📥 👥 ⚙️ 🎏 Oauth2️⃣ ⚖ 👥 ✍ ⏭, 📣 ⚫️ 🔗: `oauth2_scheme`.
+
+↩️ 👉 🔗 🔢 🚫 ✔️ 🙆 ↔ 📄 ⚫️, 👥 💪 ⚙️ `Depends` ⏮️ `oauth2_scheme`, 👥 🚫 ✔️ ⚙️ `Security` 🕐❔ 👥 🚫 💪 ✔ 💂♂ ↔.
+
+👥 📣 🎁 🔢 🆎 `SecurityScopes`, 🗄 ⚪️➡️ `fastapi.security`.
+
+👉 `SecurityScopes` 🎓 🎏 `Request` (`Request` ⚙️ 🤚 📨 🎚 🔗).
+
+```Python hl_lines="8 105"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+## ⚙️ `scopes`
+
+🔢 `security_scopes` 🔜 🆎 `SecurityScopes`.
+
+⚫️ 🔜 ✔️ 🏠 `scopes` ⏮️ 📇 ⚗ 🌐 ↔ ✔ ⚫️ & 🌐 🔗 👈 ⚙️ 👉 🎧-🔗. 👈 ⛓, 🌐 "⚓️"... 👉 💪 🔊 😨, ⚫️ 🔬 🔄 ⏪ 🔛.
+
+`security_scopes` 🎚 (🎓 `SecurityScopes`) 🚚 `scope_str` 🔢 ⏮️ 👁 🎻, 🔌 👈 ↔ 👽 🚀 (👥 🔜 ⚙️ ⚫️).
+
+👥 ✍ `HTTPException` 👈 👥 💪 🏤-⚙️ (`raise`) ⏪ 📚 ☝.
+
+👉 ⚠, 👥 🔌 ↔ 🚚 (🚥 🙆) 🎻 👽 🚀 (⚙️ `scope_str`). 👥 🚮 👈 🎻 ⚗ ↔ `WWW-Authenticate` 🎚 (👉 🍕 🔌).
+
+```Python hl_lines="105 107-115"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+## ✔ `username` & 💽 💠
+
+👥 ✔ 👈 👥 🤚 `username`, & ⚗ ↔.
+
+& ⤴️ 👥 ✔ 👈 📊 ⏮️ Pydantic 🏷 (✊ `ValidationError` ⚠), & 🚥 👥 🤚 ❌ 👂 🥙 🤝 ⚖️ ⚖ 📊 ⏮️ Pydantic, 👥 🤚 `HTTPException` 👥 ✍ ⏭.
+
+👈, 👥 ℹ Pydantic 🏷 `TokenData` ⏮️ 🆕 🏠 `scopes`.
+
+⚖ 📊 ⏮️ Pydantic 👥 💪 ⚒ 💭 👈 👥 ✔️, 🖼, ⚫️❔ `list` `str` ⏮️ ↔ & `str` ⏮️ `username`.
+
+↩️, 🖼, `dict`, ⚖️ 🕳 🙆, ⚫️ 💪 💔 🈸 ☝ ⏪, ⚒ ⚫️ 💂♂ ⚠.
+
+👥 ✔ 👈 👥 ✔️ 👩💻 ⏮️ 👈 🆔, & 🚥 🚫, 👥 🤚 👈 🎏 ⚠ 👥 ✍ ⏭.
+
+```Python hl_lines="46 116-127"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+## ✔ `scopes`
+
+👥 🔜 ✔ 👈 🌐 ↔ ✔, 👉 🔗 & 🌐 ⚓️ (🔌 *➡ 🛠️*), 🔌 ↔ 🚚 🤝 📨, ⏪ 🤚 `HTTPException`.
+
+👉, 👥 ⚙️ `security_scopes.scopes`, 👈 🔌 `list` ⏮️ 🌐 👫 ↔ `str`.
+
+```Python hl_lines="128-134"
+{!../../../docs_src/security/tutorial005.py!}
+```
+
+## 🔗 🌲 & ↔
+
+➡️ 📄 🔄 👉 🔗 🌲 & ↔.
+
+`get_current_active_user` 🔗 ✔️ 🎧-🔗 🔛 `get_current_user`, ↔ `"me"` 📣 `get_current_active_user` 🔜 🔌 📇 ✔ ↔ `security_scopes.scopes` 🚶♀️ `get_current_user`.
+
+*➡ 🛠️* ⚫️ 📣 ↔, `"items"`, 👉 🔜 📇 `security_scopes.scopes` 🚶♀️ `get_current_user`.
+
+📥 ❔ 🔗 🔗 & ↔ 👀 💖:
+
+* *➡ 🛠️* `read_own_items` ✔️:
+ * ✔ ↔ `["items"]` ⏮️ 🔗:
+ * `get_current_active_user`:
+ * 🔗 🔢 `get_current_active_user` ✔️:
+ * ✔ ↔ `["me"]` ⏮️ 🔗:
+ * `get_current_user`:
+ * 🔗 🔢 `get_current_user` ✔️:
+ * 🙅♂ ↔ ✔ ⚫️.
+ * 🔗 ⚙️ `oauth2_scheme`.
+ * `security_scopes` 🔢 🆎 `SecurityScopes`:
+ * 👉 `security_scopes` 🔢 ✔️ 🏠 `scopes` ⏮️ `list` ⚗ 🌐 👫 ↔ 📣 🔛,:
+ * `security_scopes.scopes` 🔜 🔌 `["me", "items"]` *➡ 🛠️* `read_own_items`.
+ * `security_scopes.scopes` 🔜 🔌 `["me"]` *➡ 🛠️* `read_users_me`, ↩️ ⚫️ 📣 🔗 `get_current_active_user`.
+ * `security_scopes.scopes` 🔜 🔌 `[]` (🕳) *➡ 🛠️* `read_system_status`, ↩️ ⚫️ 🚫 📣 🙆 `Security` ⏮️ `scopes`, & 🚮 🔗, `get_current_user`, 🚫 📣 🙆 `scope` 👯♂️.
+
+!!! tip
+ ⚠ & "🎱" 👜 📥 👈 `get_current_user` 🔜 ✔️ 🎏 📇 `scopes` ✅ 🔠 *➡ 🛠️*.
+
+ 🌐 ⚓️ 🔛 `scopes` 📣 🔠 *➡ 🛠️* & 🔠 🔗 🔗 🌲 👈 🎯 *➡ 🛠️*.
+
+## 🌖 ℹ 🔃 `SecurityScopes`
+
+👆 💪 ⚙️ `SecurityScopes` 🙆 ☝, & 💗 🥉, ⚫️ 🚫 ✔️ "🌱" 🔗.
+
+⚫️ 🔜 🕧 ✔️ 💂♂ ↔ 📣 ⏮️ `Security` 🔗 & 🌐 ⚓️ **👈 🎯** *➡ 🛠️* & **👈 🎯** 🔗 🌲.
+
+↩️ `SecurityScopes` 🔜 ✔️ 🌐 ↔ 📣 ⚓️, 👆 💪 ⚙️ ⚫️ ✔ 👈 🤝 ✔️ 🚚 ↔ 🇨🇫 🔗 🔢, & ⤴️ 📣 🎏 ↔ 📄 🎏 *➡ 🛠️*.
+
+👫 🔜 ✅ ➡ 🔠 *➡ 🛠️*.
+
+## ✅ ⚫️
+
+🚥 👆 📂 🛠️ 🩺, 👆 💪 🔓 & ✔ ❔ ↔ 👆 💚 ✔.
+
+<img src="/img/tutorial/security/image11.png">
+
+🚥 👆 🚫 🖊 🙆 ↔, 👆 🔜 "🔓", ✋️ 🕐❔ 👆 🔄 🔐 `/users/me/` ⚖️ `/users/me/items/` 👆 🔜 🤚 ❌ 💬 👈 👆 🚫 ✔️ 🥃 ✔. 👆 🔜 💪 🔐 `/status/`.
+
+& 🚥 👆 🖊 ↔ `me` ✋️ 🚫 ↔ `items`, 👆 🔜 💪 🔐 `/users/me/` ✋️ 🚫 `/users/me/items/`.
+
+👈 ⚫️❔ 🔜 🔨 🥉 🥳 🈸 👈 🔄 🔐 1️⃣ 👫 *➡ 🛠️* ⏮️ 🤝 🚚 👩💻, ⚓️ 🔛 ❔ 📚 ✔ 👩💻 🤝 🈸.
+
+## 🔃 🥉 🥳 🛠️
+
+👉 🖼 👥 ⚙️ Oauth2️⃣ "🔐" 💧.
+
+👉 ☑ 🕐❔ 👥 🚨 👆 👍 🈸, 🎲 ⏮️ 👆 👍 🕸.
+
+↩️ 👥 💪 💙 ⚫️ 📨 `username` & `password`, 👥 🎛 ⚫️.
+
+✋️ 🚥 👆 🏗 Oauth2️⃣ 🈸 👈 🎏 🔜 🔗 (➡, 🚥 👆 🏗 🤝 🐕🦺 🌓 👱📔, 🇺🇸🔍, 📂, ♒️.) 👆 🔜 ⚙️ 1️⃣ 🎏 💧.
+
+🌅 ⚠ 🔑 💧.
+
+🏆 🔐 📟 💧, ✋️ 🌖 🏗 🛠️ ⚫️ 🚚 🌅 📶. ⚫️ 🌅 🏗, 📚 🐕🦺 🔚 🆙 ✔ 🔑 💧.
+
+!!! note
+ ⚫️ ⚠ 👈 🔠 🤝 🐕🦺 📛 👫 💧 🎏 🌌, ⚒ ⚫️ 🍕 👫 🏷.
+
+ ✋️ 🔚, 👫 🛠️ 🎏 Oauth2️⃣ 🐩.
+
+**FastAPI** 🔌 🚙 🌐 👫 Oauth2️⃣ 🤝 💧 `fastapi.security.oauth2`.
+
+## `Security` 👨🎨 `dependencies`
+
+🎏 🌌 👆 💪 🔬 `list` `Depends` 👨🎨 `dependencies` 🔢 (🔬 [🔗 ➡ 🛠️ 👨🎨](../../tutorial/dependencies/dependencies-in-path-operation-decorators.md){.internal-link target=_blank}), 👆 💪 ⚙️ `Security` ⏮️ `scopes` 📤.
--- /dev/null
+# ⚒ & 🌐 🔢
+
+📚 💼 👆 🈸 💪 💪 🔢 ⚒ ⚖️ 📳, 🖼 ㊙ 🔑, 💽 🎓, 🎓 📧 🐕🦺, ♒️.
+
+🏆 👫 ⚒ 🔢 (💪 🔀), 💖 💽 📛. & 📚 💪 🚿, 💖 ㊙.
+
+👉 🤔 ⚫️ ⚠ 🚚 👫 🌐 🔢 👈 ✍ 🈸.
+
+## 🌐 🔢
+
+!!! tip
+ 🚥 👆 ⏪ 💭 ⚫️❔ "🌐 🔢" & ❔ ⚙️ 👫, 💭 🆓 🚶 ⏭ 📄 🔛.
+
+<a href="https://en.wikipedia.org/wiki/Environment_variable" class="external-link" target="_blank">🌐 🔢</a> (💭 "🇨🇻 {") 🔢 👈 🖖 🏞 🐍 📟, 🏃♂ ⚙️, & 💪 ✍ 👆 🐍 📟 (⚖️ 🎏 📋 👍).
+
+👆 💪 ✍ & ⚙️ 🌐 🔢 🐚, 🍵 💆♂ 🐍:
+
+=== "💾, 🇸🇻, 🚪 🎉"
+
+ <div class="termy">
+
+ ```console
+ // You could create an env var MY_NAME with
+ $ export MY_NAME="Wade Wilson"
+
+ // Then you could use it with other programs, like
+ $ echo "Hello $MY_NAME"
+
+ Hello Wade Wilson
+ ```
+
+ </div>
+
+=== "🚪 📋"
+
+ <div class="termy">
+
+ ```console
+ // Create an env var MY_NAME
+ $ $Env:MY_NAME = "Wade Wilson"
+
+ // Use it with other programs, like
+ $ echo "Hello $Env:MY_NAME"
+
+ Hello Wade Wilson
+ ```
+
+ </div>
+
+### ✍ 🇨🇻 {🐍
+
+👆 💪 ✍ 🌐 🔢 🏞 🐍, 📶 (⚖️ ⏮️ 🙆 🎏 👩🔬), & ⤴️ ✍ 👫 🐍.
+
+🖼 👆 💪 ✔️ 📁 `main.py` ⏮️:
+
+```Python hl_lines="3"
+import os
+
+name = os.getenv("MY_NAME", "World")
+print(f"Hello {name} from Python")
+```
+
+!!! tip
+ 🥈 ❌ <a href="https://docs.python.org/3.8/library/os.html#os.getenv" class="external-link" target="_blank">`os.getenv()`</a> 🔢 💲 📨.
+
+ 🚥 🚫 🚚, ⚫️ `None` 🔢, 📥 👥 🚚 `"World"` 🔢 💲 ⚙️.
+
+⤴️ 👆 💪 🤙 👈 🐍 📋:
+
+<div class="termy">
+
+```console
+// Here we don't set the env var yet
+$ python main.py
+
+// As we didn't set the env var, we get the default value
+
+Hello World from Python
+
+// But if we create an environment variable first
+$ export MY_NAME="Wade Wilson"
+
+// And then call the program again
+$ python main.py
+
+// Now it can read the environment variable
+
+Hello Wade Wilson from Python
+```
+
+</div>
+
+🌐 🔢 💪 ⚒ 🏞 📟, ✋️ 💪 ✍ 📟, & 🚫 ✔️ 🏪 (💕 `git`) ⏮️ 🎂 📁, ⚫️ ⚠ ⚙️ 👫 📳 ⚖️ ⚒.
+
+👆 💪 ✍ 🌐 🔢 🕴 🎯 📋 👼, 👈 🕴 💪 👈 📋, & 🕴 🚮 📐.
+
+👈, ✍ ⚫️ ▶️️ ⏭ 📋 ⚫️, 🔛 🎏 ⏸:
+
+<div class="termy">
+
+```console
+// Create an env var MY_NAME in line for this program call
+$ MY_NAME="Wade Wilson" python main.py
+
+// Now it can read the environment variable
+
+Hello Wade Wilson from Python
+
+// The env var no longer exists afterwards
+$ python main.py
+
+Hello World from Python
+```
+
+</div>
+
+!!! tip
+ 👆 💪 ✍ 🌅 🔃 ⚫️ <a href="https://12factor.net/config" class="external-link" target="_blank">1️⃣2️⃣-⚖ 📱: 📁</a>.
+
+### 🆎 & 🔬
+
+👫 🌐 🔢 💪 🕴 🍵 ✍ 🎻, 👫 🔢 🐍 & ✔️ 🔗 ⏮️ 🎏 📋 & 🎂 ⚙️ (& ⏮️ 🎏 🏃♂ ⚙️, 💾, 🚪, 🇸🇻).
+
+👈 ⛓ 👈 🙆 💲 ✍ 🐍 ⚪️➡️ 🌐 🔢 🔜 `str`, & 🙆 🛠️ 🎏 🆎 ⚖️ 🔬 ✔️ 🔨 📟.
+
+## Pydantic `Settings`
+
+👐, Pydantic 🚚 👑 🚙 🍵 👫 ⚒ 👟 ⚪️➡️ 🌐 🔢 ⏮️ <a href="https://pydantic-docs.helpmanual.io/usage/settings/" class="external-link" target="_blank">Pydantic: ⚒ 🧾</a>.
+
+### ✍ `Settings` 🎚
+
+🗄 `BaseSettings` ⚪️➡️ Pydantic & ✍ 🎧-🎓, 📶 🌅 💖 ⏮️ Pydantic 🏷.
+
+🎏 🌌 ⏮️ Pydantic 🏷, 👆 📣 🎓 🔢 ⏮️ 🆎 ✍, & 🎲 🔢 💲.
+
+👆 💪 ⚙️ 🌐 🎏 🔬 ⚒ & 🧰 👆 ⚙️ Pydantic 🏷, 💖 🎏 📊 🆎 & 🌖 🔬 ⏮️ `Field()`.
+
+```Python hl_lines="2 5-8 11"
+{!../../../docs_src/settings/tutorial001.py!}
+```
+
+!!! tip
+ 🚥 👆 💚 🕳 ⏩ 📁 & 📋, 🚫 ⚙️ 👉 🖼, ⚙️ 🏁 1️⃣ 🔛.
+
+⤴️, 🕐❔ 👆 ✍ 👐 👈 `Settings` 🎓 (👉 💼, `settings` 🎚), Pydantic 🔜 ✍ 🌐 🔢 💼-😛 🌌,, ↖-💼 🔢 `APP_NAME` 🔜 ✍ 🔢 `app_name`.
+
+⏭ ⚫️ 🔜 🗜 & ✔ 💽. , 🕐❔ 👆 ⚙️ 👈 `settings` 🎚, 👆 🔜 ✔️ 📊 🆎 👆 📣 (✅ `items_per_user` 🔜 `int`).
+
+### ⚙️ `settings`
+
+⤴️ 👆 💪 ⚙️ 🆕 `settings` 🎚 👆 🈸:
+
+```Python hl_lines="18-20"
+{!../../../docs_src/settings/tutorial001.py!}
+```
+
+### 🏃 💽
+
+⏭, 👆 🔜 🏃 💽 🚶♀️ 📳 🌐 🔢, 🖼 👆 💪 ⚒ `ADMIN_EMAIL` & `APP_NAME` ⏮️:
+
+<div class="termy">
+
+```console
+$ ADMIN_EMAIL="deadpool@example.com" APP_NAME="ChimichangApp" uvicorn main:app
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+!!! tip
+ ⚒ 💗 🇨🇻 {👁 📋 🎏 👫 ⏮️ 🚀, & 🚮 👫 🌐 ⏭ 📋.
+
+& ⤴️ `admin_email` ⚒ 🔜 ⚒ `"deadpool@example.com"`.
+
+`app_name` 🔜 `"ChimichangApp"`.
+
+& `items_per_user` 🔜 🚧 🚮 🔢 💲 `50`.
+
+## ⚒ ➕1️⃣ 🕹
+
+👆 💪 🚮 👈 ⚒ ➕1️⃣ 🕹 📁 👆 👀 [🦏 🈸 - 💗 📁](../tutorial/bigger-applications.md){.internal-link target=_blank}.
+
+🖼, 👆 💪 ✔️ 📁 `config.py` ⏮️:
+
+```Python
+{!../../../docs_src/settings/app01/config.py!}
+```
+
+& ⤴️ ⚙️ ⚫️ 📁 `main.py`:
+
+```Python hl_lines="3 11-13"
+{!../../../docs_src/settings/app01/main.py!}
+```
+
+!!! tip
+ 👆 🔜 💪 📁 `__init__.py` 👆 👀 🔛 [🦏 🈸 - 💗 📁](../tutorial/bigger-applications.md){.internal-link target=_blank}.
+
+## ⚒ 🔗
+
+🍾 ⚫️ 5️⃣📆 ⚠ 🚚 ⚒ ⚪️➡️ 🔗, ↩️ ✔️ 🌐 🎚 ⏮️ `settings` 👈 ⚙️ 🌐.
+
+👉 💪 ✴️ ⚠ ⏮️ 🔬, ⚫️ 📶 ⏩ 🔐 🔗 ⏮️ 👆 👍 🛃 ⚒.
+
+### 📁 📁
+
+👟 ⚪️➡️ ⏮️ 🖼, 👆 `config.py` 📁 💪 👀 💖:
+
+```Python hl_lines="10"
+{!../../../docs_src/settings/app02/config.py!}
+```
+
+👀 👈 🔜 👥 🚫 ✍ 🔢 👐 `settings = Settings()`.
+
+### 👑 📱 📁
+
+🔜 👥 ✍ 🔗 👈 📨 🆕 `config.Settings()`.
+
+```Python hl_lines="5 11-12"
+{!../../../docs_src/settings/app02/main.py!}
+```
+
+!!! tip
+ 👥 🔜 🔬 `@lru_cache()` 🍖.
+
+ 🔜 👆 💪 🤔 `get_settings()` 😐 🔢.
+
+& ⤴️ 👥 💪 🚚 ⚫️ ⚪️➡️ *➡ 🛠️ 🔢* 🔗 & ⚙️ ⚫️ 🙆 👥 💪 ⚫️.
+
+```Python hl_lines="16 18-20"
+{!../../../docs_src/settings/app02/main.py!}
+```
+
+### ⚒ & 🔬
+
+⤴️ ⚫️ 🔜 📶 ⏩ 🚚 🎏 ⚒ 🎚 ⏮️ 🔬 🏗 🔗 🔐 `get_settings`:
+
+```Python hl_lines="9-10 13 21"
+{!../../../docs_src/settings/app02/test_main.py!}
+```
+
+🔗 🔐 👥 ⚒ 🆕 💲 `admin_email` 🕐❔ 🏗 🆕 `Settings` 🎚, & ⤴️ 👥 📨 👈 🆕 🎚.
+
+⤴️ 👥 💪 💯 👈 ⚫️ ⚙️.
+
+## 👂 `.env` 📁
+
+🚥 👆 ✔️ 📚 ⚒ 👈 🎲 🔀 📚, 🎲 🎏 🌐, ⚫️ 5️⃣📆 ⚠ 🚮 👫 🔛 📁 & ⤴️ ✍ 👫 ⚪️➡️ ⚫️ 🚥 👫 🌐 🔢.
+
+👉 💡 ⚠ 🥃 👈 ⚫️ ✔️ 📛, 👫 🌐 🔢 🛎 🥉 📁 `.env`, & 📁 🤙 "🇨🇻".
+
+!!! tip
+ 📁 ▶️ ⏮️ ❣ (`.`) 🕵♂ 📁 🖥-💖 ⚙️, 💖 💾 & 🇸🇻.
+
+ ✋️ 🇨🇻 📁 🚫 🤙 ✔️ ✔️ 👈 ☑ 📁.
+
+Pydantic ✔️ 🐕🦺 👂 ⚪️➡️ 👉 🆎 📁 ⚙️ 🔢 🗃. 👆 💪 ✍ 🌖 <a href="https://pydantic-docs.helpmanual.io/usage/settings/#dotenv-env-support" class="external-link" target="_blank">Pydantic ⚒: 🇨🇻 (.🇨🇻) 🐕🦺</a>.
+
+!!! tip
+ 👉 👷, 👆 💪 `pip install python-dotenv`.
+
+### `.env` 📁
+
+👆 💪 ✔️ `.env` 📁 ⏮️:
+
+```bash
+ADMIN_EMAIL="deadpool@example.com"
+APP_NAME="ChimichangApp"
+```
+
+### ✍ ⚒ ⚪️➡️ `.env`
+
+& ⤴️ ℹ 👆 `config.py` ⏮️:
+
+```Python hl_lines="9-10"
+{!../../../docs_src/settings/app03/config.py!}
+```
+
+📥 👥 ✍ 🎓 `Config` 🔘 👆 Pydantic `Settings` 🎓, & ⚒ `env_file` 📁 ⏮️ 🇨🇻 📁 👥 💚 ⚙️.
+
+!!! tip
+ `Config` 🎓 ⚙️ Pydantic 📳. 👆 💪 ✍ 🌖 <a href="https://pydantic-docs.helpmanual.io/usage/model_config/" class="external-link" target="_blank">Pydantic 🏷 📁</a>
+
+### 🏗 `Settings` 🕴 🕐 ⏮️ `lru_cache`
+
+👂 📁 ⚪️➡️ 💾 🛎 ⚠ (🐌) 🛠️, 👆 🎲 💚 ⚫️ 🕴 🕐 & ⤴️ 🏤-⚙️ 🎏 ⚒ 🎚, ↩️ 👂 ⚫️ 🔠 📨.
+
+✋️ 🔠 🕰 👥:
+
+```Python
+Settings()
+```
+
+🆕 `Settings` 🎚 🔜 ✍, & 🏗 ⚫️ 🔜 ✍ `.env` 📁 🔄.
+
+🚥 🔗 🔢 💖:
+
+```Python
+def get_settings():
+ return Settings()
+```
+
+👥 🔜 ✍ 👈 🎚 🔠 📨, & 👥 🔜 👂 `.env` 📁 🔠 📨. 👶 👶
+
+✋️ 👥 ⚙️ `@lru_cache()` 👨🎨 🔛 🔝, `Settings` 🎚 🔜 ✍ 🕴 🕐, 🥇 🕰 ⚫️ 🤙. 👶 👶
+
+```Python hl_lines="1 10"
+{!../../../docs_src/settings/app03/main.py!}
+```
+
+⤴️ 🙆 🏁 🤙 `get_settings()` 🔗 ⏭ 📨, ↩️ 🛠️ 🔗 📟 `get_settings()` & 🏗 🆕 `Settings` 🎚, ⚫️ 🔜 📨 🎏 🎚 👈 📨 🔛 🥇 🤙, 🔄 & 🔄.
+
+#### `lru_cache` 📡 ℹ
+
+`@lru_cache()` 🔀 🔢 ⚫️ 🎀 📨 🎏 💲 👈 📨 🥇 🕰, ↩️ 💻 ⚫️ 🔄, 🛠️ 📟 🔢 🔠 🕰.
+
+, 🔢 🔛 ⚫️ 🔜 🛠️ 🕐 🔠 🌀 ❌. & ⤴️ 💲 📨 🔠 👈 🌀 ❌ 🔜 ⚙️ 🔄 & 🔄 🕐❔ 🔢 🤙 ⏮️ ⚫️❔ 🎏 🌀 ❌.
+
+🖼, 🚥 👆 ✔️ 🔢:
+
+```Python
+@lru_cache()
+def say_hi(name: str, salutation: str = "Ms."):
+ return f"Hello {salutation} {name}"
+```
+
+👆 📋 💪 🛠️ 💖 👉:
+
+```mermaid
+sequenceDiagram
+
+participant code as Code
+participant function as say_hi()
+participant execute as Execute function
+
+ rect rgba(0, 255, 0, .1)
+ code ->> function: say_hi(name="Camila")
+ function ->> execute: execute function code
+ execute ->> code: return the result
+ end
+
+ rect rgba(0, 255, 255, .1)
+ code ->> function: say_hi(name="Camila")
+ function ->> code: return stored result
+ end
+
+ rect rgba(0, 255, 0, .1)
+ code ->> function: say_hi(name="Rick")
+ function ->> execute: execute function code
+ execute ->> code: return the result
+ end
+
+ rect rgba(0, 255, 0, .1)
+ code ->> function: say_hi(name="Rick", salutation="Mr.")
+ function ->> execute: execute function code
+ execute ->> code: return the result
+ end
+
+ rect rgba(0, 255, 255, .1)
+ code ->> function: say_hi(name="Rick")
+ function ->> code: return stored result
+ end
+
+ rect rgba(0, 255, 255, .1)
+ code ->> function: say_hi(name="Camila")
+ function ->> code: return stored result
+ end
+```
+
+💼 👆 🔗 `get_settings()`, 🔢 🚫 ✊ 🙆 ❌, ⚫️ 🕧 📨 🎏 💲.
+
+👈 🌌, ⚫️ 🎭 🌖 🚥 ⚫️ 🌐 🔢. ✋️ ⚫️ ⚙️ 🔗 🔢, ⤴️ 👥 💪 🔐 ⚫️ 💪 🔬.
+
+`@lru_cache()` 🍕 `functools` ❔ 🍕 🐍 🐩 🗃, 👆 💪 ✍ 🌅 🔃 ⚫️ <a href="https://docs.python.org/3/library/functools.html#functools.lru_cache" class="external-link" target="_blank">🐍 🩺 `@lru_cache()`</a>.
+
+## 🌃
+
+👆 💪 ⚙️ Pydantic ⚒ 🍵 ⚒ ⚖️ 📳 👆 🈸, ⏮️ 🌐 🏋️ Pydantic 🏷.
+
+* ⚙️ 🔗 👆 💪 📉 🔬.
+* 👆 💪 ⚙️ `.env` 📁 ⏮️ ⚫️.
+* ⚙️ `@lru_cache()` ➡️ 👆 ❎ 👂 🇨🇻 📁 🔄 & 🔄 🔠 📨, ⏪ 🤝 👆 🔐 ⚫️ ⏮️ 🔬.
--- /dev/null
+# 🗄 (🔗) 💽 ⏮️ 🏒
+
+!!! warning
+ 🚥 👆 ▶️, 🔰 [🗄 (🔗) 💽](../tutorial/sql-databases.md){.internal-link target=_blank} 👈 ⚙️ 🇸🇲 🔜 🥃.
+
+ 💭 🆓 🚶 👉.
+
+🚥 👆 ▶️ 🏗 ⚪️➡️ 🖌, 👆 🎲 👻 📆 ⏮️ 🇸🇲 🐜 ([🗄 (🔗) 💽](../tutorial/sql-databases.md){.internal-link target=_blank}), ⚖️ 🙆 🎏 🔁 🐜.
+
+🚥 👆 ⏪ ✔️ 📟 🧢 👈 ⚙️ <a href="https://docs.peewee-orm.com/en/latest/" class="external-link" target="_blank">🏒 🐜</a>, 👆 💪 ✅ 📥 ❔ ⚙️ ⚫️ ⏮️ **FastAPI**.
+
+!!! warning "🐍 3️⃣.7️⃣ ➕ ✔"
+ 👆 🔜 💪 🐍 3️⃣.7️⃣ ⚖️ 🔛 🔒 ⚙️ 🏒 ⏮️ FastAPI.
+
+## 🏒 🔁
+
+🏒 🚫 🔧 🔁 🛠️, ⚖️ ⏮️ 👫 🤯.
+
+🏒 ✔️ 🏋️ 🔑 🔃 🚮 🔢 & 🔃 ❔ ⚫️ 🔜 ⚙️.
+
+🚥 👆 🛠️ 🈸 ⏮️ 🗝 🚫-🔁 🛠️, & 💪 👷 ⏮️ 🌐 🚮 🔢, **⚫️ 💪 👑 🧰**.
+
+✋️ 🚥 👆 💪 🔀 🔢, 🐕🦺 🌖 🌘 1️⃣ 🔁 💽, 👷 ⏮️ 🔁 🛠️ (💖 FastAPI), ♒️, 👆 🔜 💪 🚮 🏗 ➕ 📟 🔐 👈 🔢.
+
+👐, ⚫️ 💪 ⚫️, & 📥 👆 🔜 👀 ⚫️❔ ⚫️❔ 📟 👆 ✔️ 🚮 💪 ⚙️ 🏒 ⏮️ FastAPI.
+
+!!! note "📡 ℹ"
+ 👆 💪 ✍ 🌅 🔃 🏒 🧍 🔃 🔁 🐍 <a href="https://docs.peewee-orm.com/en/latest/peewee/database.html#async-with-gevent" class="external-link" target="_blank">🩺</a>, <a href="https://github.com/coleifer/peewee/issues/263#issuecomment-517347032" class="external-link" target="_blank">❔</a>, <a href="https://github.com/coleifer/peewee/pull/2072#issuecomment-563215132" class="external-link" target="_blank">🇵🇷</a>.
+
+## 🎏 📱
+
+👥 🔜 ✍ 🎏 🈸 🇸🇲 🔰 ([🗄 (🔗) 💽](../tutorial/sql-databases.md){.internal-link target=_blank}).
+
+🌅 📟 🤙 🎏.
+
+, 👥 🔜 🎯 🕴 🔛 🔺.
+
+## 📁 📊
+
+➡️ 💬 👆 ✔️ 📁 📛 `my_super_project` 👈 🔌 🎧-📁 🤙 `sql_app` ⏮️ 📊 💖 👉:
+
+```
+.
+└── sql_app
+ ├── __init__.py
+ ├── crud.py
+ ├── database.py
+ ├── main.py
+ └── schemas.py
+```
+
+👉 🌖 🎏 📊 👥 ✔️ 🇸🇲 🔰.
+
+🔜 ➡️ 👀 ⚫️❔ 🔠 📁/🕹 🔨.
+
+## ✍ 🏒 🍕
+
+➡️ 🔗 📁 `sql_app/database.py`.
+
+### 🐩 🏒 📟
+
+➡️ 🥇 ✅ 🌐 😐 🏒 📟, ✍ 🏒 💽:
+
+```Python hl_lines="3 5 22"
+{!../../../docs_src/sql_databases_peewee/sql_app/database.py!}
+```
+
+!!! tip
+ ✔️ 🤯 👈 🚥 👆 💚 ⚙️ 🎏 💽, 💖 ✳, 👆 🚫 🚫 🔀 🎻. 👆 🔜 💪 ⚙️ 🎏 🏒 💽 🎓.
+
+#### 🗒
+
+❌:
+
+```Python
+check_same_thread=False
+```
+
+🌓 1️⃣ 🇸🇲 🔰:
+
+```Python
+connect_args={"check_same_thread": False}
+```
+
+...⚫️ 💪 🕴 `SQLite`.
+
+!!! info "📡 ℹ"
+
+ ⚫️❔ 🎏 📡 ℹ [🗄 (🔗) 💽](../tutorial/sql-databases.md#note){.internal-link target=_blank} ✔.
+
+### ⚒ 🏒 🔁-🔗 `PeeweeConnectionState`
+
+👑 ❔ ⏮️ 🏒 & FastAPI 👈 🏒 ⚓️ 🙇 🔛 <a href="https://docs.python.org/3/library/threading.html#thread-local-data" class="external-link" target="_blank">🐍 `threading.local`</a>, & ⚫️ 🚫 ✔️ 🎯 🌌 🔐 ⚫️ ⚖️ ➡️ 👆 🍵 🔗/🎉 🔗 (🔨 🇸🇲 🔰).
+
+& `threading.local` 🚫 🔗 ⏮️ 🆕 🔁 ⚒ 🏛 🐍.
+
+!!! note "📡 ℹ"
+ `threading.local` ⚙️ ✔️ "🎱" 🔢 👈 ✔️ 🎏 💲 🔠 🧵.
+
+ 👉 ⚠ 🗝 🛠️ 🏗 ✔️ 1️⃣ 👁 🧵 📍 📨, 🙅♂ 🌖, 🙅♂ 🌘.
+
+ ⚙️ 👉, 🔠 📨 🔜 ✔️ 🚮 👍 💽 🔗/🎉, ❔ ☑ 🏁 🥅.
+
+ ✋️ FastAPI, ⚙️ 🆕 🔁 ⚒, 💪 🍵 🌅 🌘 1️⃣ 📨 🔛 🎏 🧵. & 🎏 🕰, 👁 📨, ⚫️ 💪 🏃 💗 👜 🎏 🧵 (🧵), ⚓️ 🔛 🚥 👆 ⚙️ `async def` ⚖️ 😐 `def`. 👉 ⚫️❔ 🤝 🌐 🎭 📈 FastAPI.
+
+✋️ 🐍 3️⃣.7️⃣ & 🔛 🚚 🌖 🏧 🎛 `threading.local`, 👈 💪 ⚙️ 🥉 🌐❔ `threading.local` 🔜 ⚙️, ✋️ 🔗 ⏮️ 🆕 🔁 ⚒.
+
+👥 🔜 ⚙️ 👈. ⚫️ 🤙 <a href="https://docs.python.org/3/library/contextvars.html" class="external-link" target="_blank">`contextvars`</a>.
+
+👥 🔜 🔐 🔗 🍕 🏒 👈 ⚙️ `threading.local` & ❎ 👫 ⏮️ `contextvars`, ⏮️ 🔗 ℹ.
+
+👉 5️⃣📆 😑 🍖 🏗 (& ⚫️ 🤙), 👆 🚫 🤙 💪 🍕 🤔 ❔ ⚫️ 👷 ⚙️ ⚫️.
+
+👥 🔜 ✍ `PeeweeConnectionState`:
+
+```Python hl_lines="10-19"
+{!../../../docs_src/sql_databases_peewee/sql_app/database.py!}
+```
+
+👉 🎓 😖 ⚪️➡️ 🎁 🔗 🎓 ⚙️ 🏒.
+
+⚫️ ✔️ 🌐 ⚛ ⚒ 🏒 ⚙️ `contextvars` ↩️ `threading.local`.
+
+`contextvars` 👷 🍖 🎏 🌘 `threading.local`. ✋️ 🎂 🏒 🔗 📟 🤔 👈 👉 🎓 👷 ⏮️ `threading.local`.
+
+, 👥 💪 ➕ 🎱 ⚒ ⚫️ 👷 🚥 ⚫️ ⚙️ `threading.local`. `__init__`, `__setattr__`, & `__getattr__` 🛠️ 🌐 ✔ 🎱 👉 ⚙️ 🏒 🍵 🤔 👈 ⚫️ 🔜 🔗 ⏮️ FastAPI.
+
+!!! tip
+ 👉 🔜 ⚒ 🏒 🎭 ☑ 🕐❔ ⚙️ ⏮️ FastAPI. 🚫 🎲 📂 ⚖️ 📪 🔗 👈 ➖ ⚙️, 🏗 ❌, ♒️.
+
+ ✋️ ⚫️ 🚫 🤝 🏒 🔁 💎-🏋️. 👆 🔜 ⚙️ 😐 `def` 🔢 & 🚫 `async def`.
+
+### ⚙️ 🛃 `PeeweeConnectionState` 🎓
+
+🔜, 📁 `._state` 🔗 🔢 🏒 💽 `db` 🎚 ⚙️ 🆕 `PeeweeConnectionState`:
+
+```Python hl_lines="24"
+{!../../../docs_src/sql_databases_peewee/sql_app/database.py!}
+```
+
+!!! tip
+ ⚒ 💭 👆 📁 `db._state` *⏮️* 🏗 `db`.
+
+!!! tip
+ 👆 🔜 🎏 🙆 🎏 🏒 💽, 🔌 `PostgresqlDatabase`, `MySQLDatabase`, ♒️.
+
+## ✍ 💽 🏷
+
+➡️ 🔜 👀 📁 `sql_app/models.py`.
+
+### ✍ 🏒 🏷 👆 💽
+
+🔜 ✍ 🏒 🏷 (🎓) `User` & `Item`.
+
+👉 🎏 👆 🔜 🚥 👆 ⏩ 🏒 🔰 & ℹ 🏷 ✔️ 🎏 💽 🇸🇲 🔰.
+
+!!! tip
+ 🏒 ⚙️ ⚖ "**🏷**" 🔗 👉 🎓 & 👐 👈 🔗 ⏮️ 💽.
+
+ ✋️ Pydantic ⚙️ ⚖ "**🏷**" 🔗 🕳 🎏, 💽 🔬, 🛠️, & 🧾 🎓 & 👐.
+
+🗄 `db` ⚪️➡️ `database` (📁 `database.py` ⚪️➡️ 🔛) & ⚙️ ⚫️ 📥.
+
+```Python hl_lines="3 6-12 15-21"
+{!../../../docs_src/sql_databases_peewee/sql_app/models.py!}
+```
+
+!!! tip
+ 🏒 ✍ 📚 🎱 🔢.
+
+ ⚫️ 🔜 🔁 🚮 `id` 🔢 🔢 👑 🔑.
+
+ ⚫️ 🔜 ⚒ 📛 🏓 ⚓️ 🔛 🎓 📛.
+
+ `Item`, ⚫️ 🔜 ✍ 🔢 `owner_id` ⏮️ 🔢 🆔 `User`. ✋️ 👥 🚫 📣 ⚫️ 🙆.
+
+## ✍ Pydantic 🏷
+
+🔜 ➡️ ✅ 📁 `sql_app/schemas.py`.
+
+!!! tip
+ ❎ 😨 🖖 🏒 *🏷* & Pydantic *🏷*, 👥 🔜 ✔️ 📁 `models.py` ⏮️ 🏒 🏷, & 📁 `schemas.py` ⏮️ Pydantic 🏷.
+
+ 👫 Pydantic 🏷 🔬 🌅 ⚖️ 🌘 "🔗" (☑ 📊 💠).
+
+ 👉 🔜 ℹ 👥 ❎ 😨 ⏪ ⚙️ 👯♂️.
+
+### ✍ Pydantic *🏷* / 🔗
+
+✍ 🌐 🎏 Pydantic 🏷 🇸🇲 🔰:
+
+```Python hl_lines="16-18 21-22 25-30 34-35 38-39 42-48"
+{!../../../docs_src/sql_databases_peewee/sql_app/schemas.py!}
+```
+
+!!! tip
+ 📥 👥 🏗 🏷 ⏮️ `id`.
+
+ 👥 🚫 🎯 ✔ `id` 🔢 🏒 🏷, ✋️ 🏒 🚮 1️⃣ 🔁.
+
+ 👥 ❎ 🎱 `owner_id` 🔢 `Item`.
+
+### ✍ `PeeweeGetterDict` Pydantic *🏷* / 🔗
+
+🕐❔ 👆 🔐 💛 🏒 🎚, 💖 `some_user.items`, 🏒 🚫 🚚 `list` `Item`.
+
+⚫️ 🚚 🎁 🛃 🎚 🎓 `ModelSelect`.
+
+⚫️ 💪 ✍ `list` 🚮 🏬 ⏮️ `list(some_user.items)`.
+
+✋️ 🎚 ⚫️ 🚫 `list`. & ⚫️ 🚫 ☑ 🐍 <a href="https://docs.python.org/3/glossary.html#term-generator" class="external-link" target="_blank">🚂</a>. ↩️ 👉, Pydantic 🚫 💭 🔢 ❔ 🗜 ⚫️ `list` Pydantic *🏷* / 🔗.
+
+✋️ ⏮️ ⏬ Pydantic ✔ 🚚 🛃 🎓 👈 😖 ⚪️➡️ `pydantic.utils.GetterDict`, 🚚 🛠️ ⚙️ 🕐❔ ⚙️ `orm_mode = True` 🗃 💲 🐜 🏷 🔢.
+
+👥 🔜 ✍ 🛃 `PeeweeGetterDict` 🎓 & ⚙️ ⚫️ 🌐 🎏 Pydantic *🏷* / 🔗 👈 ⚙️ `orm_mode`:
+
+```Python hl_lines="3 8-13 31 49"
+{!../../../docs_src/sql_databases_peewee/sql_app/schemas.py!}
+```
+
+📥 👥 ✅ 🚥 🔢 👈 ➖ 🔐 (✅ `.items` `some_user.items`) 👐 `peewee.ModelSelect`.
+
+& 🚥 👈 💼, 📨 `list` ⏮️ ⚫️.
+
+& ⤴️ 👥 ⚙️ ⚫️ Pydantic *🏷* / 🔗 👈 ⚙️ `orm_mode = True`, ⏮️ 📳 🔢 `getter_dict = PeeweeGetterDict`.
+
+!!! tip
+ 👥 🕴 💪 ✍ 1️⃣ `PeeweeGetterDict` 🎓, & 👥 💪 ⚙️ ⚫️ 🌐 Pydantic *🏷* / 🔗.
+
+## 💩 🇨🇻
+
+🔜 ➡️ 👀 📁 `sql_app/crud.py`.
+
+### ✍ 🌐 💩 🇨🇻
+
+✍ 🌐 🎏 💩 🇨🇻 🇸🇲 🔰, 🌐 📟 📶 🎏:
+
+```Python hl_lines="1 4-5 8-9 12-13 16-20 23-24 27-30"
+{!../../../docs_src/sql_databases_peewee/sql_app/crud.py!}
+```
+
+📤 🔺 ⏮️ 📟 🇸🇲 🔰.
+
+👥 🚫 🚶♀️ `db` 🔢 🤭. ↩️ 👥 ⚙️ 🏷 🔗. 👉 ↩️ `db` 🎚 🌐 🎚, 👈 🔌 🌐 🔗 ⚛. 👈 ⚫️❔ 👥 ✔️ 🌐 `contextvars` ℹ 🔛.
+
+🆖, 🕐❔ 🛬 📚 🎚, 💖 `get_users`, 👥 🔗 🤙 `list`, 💖:
+
+```Python
+list(models.User.select())
+```
+
+👉 🎏 🤔 👈 👥 ✔️ ✍ 🛃 `PeeweeGetterDict`. ✋️ 🛬 🕳 👈 ⏪ `list` ↩️ `peewee.ModelSelect` `response_model` *➡ 🛠️* ⏮️ `List[models.User]` (👈 👥 🔜 👀 ⏪) 🔜 👷 ☑.
+
+## 👑 **FastAPI** 📱
+
+& 🔜 📁 `sql_app/main.py` ➡️ 🛠️ & ⚙️ 🌐 🎏 🍕 👥 ✍ ⏭.
+
+### ✍ 💽 🏓
+
+📶 🙃 🌌 ✍ 💽 🏓:
+
+```Python hl_lines="9-11"
+{!../../../docs_src/sql_databases_peewee/sql_app/main.py!}
+```
+
+### ✍ 🔗
+
+✍ 🔗 👈 🔜 🔗 💽 ▶️️ ▶️ 📨 & 🔌 ⚫️ 🔚:
+
+```Python hl_lines="23-29"
+{!../../../docs_src/sql_databases_peewee/sql_app/main.py!}
+```
+
+📥 👥 ✔️ 🛁 `yield` ↩️ 👥 🤙 🚫 ⚙️ 💽 🎚 🔗.
+
+⚫️ 🔗 💽 & ♻ 🔗 💽 🔗 🔢 👈 🔬 🔠 📨 (⚙️ `contextvars` 🎱 ⚪️➡️ 🔛).
+
+↩️ 💽 🔗 ⚠ 👤/🅾 🚧, 👉 🔗 ✍ ⏮️ 😐 `def` 🔢.
+
+& ⤴️, 🔠 *➡ 🛠️ 🔢* 👈 💪 🔐 💽 👥 🚮 ⚫️ 🔗.
+
+✋️ 👥 🚫 ⚙️ 💲 👐 👉 🔗 (⚫️ 🤙 🚫 🤝 🙆 💲, ⚫️ ✔️ 🛁 `yield`). , 👥 🚫 🚮 ⚫️ *➡ 🛠️ 🔢* ✋️ *➡ 🛠️ 👨🎨* `dependencies` 🔢:
+
+```Python hl_lines="32 40 47 59 65 72"
+{!../../../docs_src/sql_databases_peewee/sql_app/main.py!}
+```
+
+### 🔑 🔢 🎧-🔗
+
+🌐 `contextvars` 🍕 👷, 👥 💪 ⚒ 💭 👥 ✔️ 🔬 💲 `ContextVar` 🔠 📨 👈 ⚙️ 💽, & 👈 💲 🔜 ⚙️ 💽 🇵🇸 (🔗, 💵, ♒️) 🎂 📨.
+
+👈, 👥 💪 ✍ ➕1️⃣ `async` 🔗 `reset_db_state()` 👈 ⚙️ 🎧-🔗 `get_db()`. ⚫️ 🔜 ⚒ 💲 🔑 🔢 (⏮️ 🔢 `dict`) 👈 🔜 ⚙️ 💽 🇵🇸 🎂 📨. & ⤴️ 🔗 `get_db()` 🔜 🏪 ⚫️ 💽 🇵🇸 (🔗, 💵, ♒️).
+
+```Python hl_lines="18-20"
+{!../../../docs_src/sql_databases_peewee/sql_app/main.py!}
+```
+
+**⏭ 📨**, 👥 🔜 ⏲ 👈 🔑 🔢 🔄 `async` 🔗 `reset_db_state()` & ⤴️ ✍ 🆕 🔗 `get_db()` 🔗, 👈 🆕 📨 🔜 ✔️ 🚮 👍 💽 🇵🇸 (🔗, 💵, ♒️).
+
+!!! tip
+ FastAPI 🔁 🛠️, 1️⃣ 📨 💪 ▶️ ➖ 🛠️, & ⏭ 🏁, ➕1️⃣ 📨 💪 📨 & ▶️ 🏭 👍, & ⚫️ 🌐 💪 🛠️ 🎏 🧵.
+
+ ✋️ 🔑 🔢 🤔 👫 🔁 ⚒,, 🏒 💽 🇵🇸 ⚒ `async` 🔗 `reset_db_state()` 🔜 🚧 🚮 👍 💽 🎂 🎂 📨.
+
+ & 🎏 🕰, 🎏 🛠️ 📨 🔜 ✔️ 🚮 👍 💽 🇵🇸 👈 🔜 🔬 🎂 📨.
+
+#### 🏒 🗳
+
+🚥 👆 ⚙️ <a href="https://docs.peewee-orm.com/en/latest/peewee/database.html#dynamically-defining-a-database" class="external-link" target="_blank">🏒 🗳</a>, ☑ 💽 `db.obj`.
+
+, 👆 🔜 ⏲ ⚫️ ⏮️:
+
+```Python hl_lines="3-4"
+async def reset_db_state():
+ database.db.obj._state._state.set(db_state_default.copy())
+ database.db.obj._state.reset()
+```
+
+### ✍ 👆 **FastAPI** *➡ 🛠️*
+
+🔜, 😒, 📥 🐩 **FastAPI** *➡ 🛠️* 📟.
+
+```Python hl_lines="32-37 40-43 46-53 56-62 65-68 71-79"
+{!../../../docs_src/sql_databases_peewee/sql_app/main.py!}
+```
+
+### 🔃 `def` 🆚 `async def`
+
+🎏 ⏮️ 🇸🇲, 👥 🚫 🔨 🕳 💖:
+
+```Python
+user = await models.User.select().first()
+```
+
+...✋️ ↩️ 👥 ⚙️:
+
+```Python
+user = models.User.select().first()
+```
+
+, 🔄, 👥 🔜 📣 *➡ 🛠️ 🔢* & 🔗 🍵 `async def`, ⏮️ 😐 `def`,:
+
+```Python hl_lines="2"
+# Something goes here
+def read_users(skip: int = 0, limit: int = 100):
+ # Something goes here
+```
+
+## 🔬 🏒 ⏮️ 🔁
+
+👉 🖼 🔌 ➕ *➡ 🛠️* 👈 🔬 📏 🏭 📨 ⏮️ `time.sleep(sleep_time)`.
+
+⚫️ 🔜 ✔️ 💽 🔗 📂 ▶️ & 🔜 ⌛ 🥈 ⏭ 🙇 🔙. & 🔠 🆕 📨 🔜 ⌛ 🕐 🥈 🌘.
+
+👉 🔜 💪 ➡️ 👆 💯 👈 👆 📱 ⏮️ 🏒 & FastAPI 🎭 ☑ ⏮️ 🌐 💩 🔃 🧵.
+
+🚥 👆 💚 ✅ ❔ 🏒 🔜 💔 👆 📱 🚥 ⚙️ 🍵 🛠️, 🚶 `sql_app/database.py` 📁 & 🏤 ⏸:
+
+```Python
+# db._state = PeeweeConnectionState()
+```
+
+& 📁 `sql_app/main.py` 📁, 🏤 💪 `async` 🔗 `reset_db_state()` & ❎ ⚫️ ⏮️ `pass`:
+
+```Python
+async def reset_db_state():
+# database.db._state._state.set(db_state_default.copy())
+# database.db._state.reset()
+ pass
+```
+
+⤴️ 🏃 👆 📱 ⏮️ Uvicorn:
+
+<div class="termy">
+
+```console
+$ uvicorn sql_app.main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+📂 👆 🖥 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a> & ✍ 👩❤👨 👩💻.
+
+⤴️ 📂 1️⃣0️⃣ 📑 <a href="http://127.0.0.1:8000/docs#/default/read_slow_users_slowusers__get" class="external-link" target="_blank">http://127.0.0.1:8000/docs#/default/read_🐌_👩💻_slowusers_ = </a> 🎏 🕰.
+
+🚶 *➡ 🛠️* "🤚 `/slowusers/`" 🌐 📑. ⚙️ "🔄 ⚫️ 👅" 🔼 & 🛠️ 📨 🔠 📑, 1️⃣ ▶️️ ⏮️ 🎏.
+
+📑 🔜 ⌛ 🍖 & ⤴️ 👫 🔜 🎦 `Internal Server Error`.
+
+### ⚫️❔ 🔨
+
+🥇 📑 🔜 ⚒ 👆 📱 ✍ 🔗 💽 & ⌛ 🥈 ⏭ 🙇 🔙 & 📪 💽 🔗.
+
+⤴️, 📨 ⏭ 📑, 👆 📱 🔜 ⌛ 🕐 🥈 🌘, & 🔛.
+
+👉 ⛓ 👈 ⚫️ 🔜 🔚 🆙 🏁 🏁 📑' 📨 ⏪ 🌘 ⏮️ 🕐.
+
+⤴️ 1️⃣ 🏁 📨 👈 ⌛ 🌘 🥈 🔜 🔄 📂 💽 🔗, ✋️ 1️⃣ 📚 ⏮️ 📨 🎏 📑 🔜 🎲 🍵 🎏 🧵 🥇 🕐, ⚫️ 🔜 ✔️ 🎏 💽 🔗 👈 ⏪ 📂, & 🏒 🔜 🚮 ❌ & 👆 🔜 👀 ⚫️ 📶, & 📨 🔜 ✔️ `Internal Server Error`.
+
+👉 🔜 🎲 🔨 🌅 🌘 1️⃣ 📚 📑.
+
+🚥 👆 ✔️ 💗 👩💻 💬 👆 📱 ⚫️❔ 🎏 🕰, 👉 ⚫️❔ 💪 🔨.
+
+& 👆 📱 ▶️ 🍵 🌅 & 🌖 👩💻 🎏 🕰, ⌛ 🕰 👁 📨 💪 📏 & 📏 ⏲ ❌.
+
+### 🔧 🏒 ⏮️ FastAPI
+
+🔜 🚶 🔙 📁 `sql_app/database.py`, & ✍ ⏸:
+
+```Python
+db._state = PeeweeConnectionState()
+```
+
+& 📁 `sql_app/main.py` 📁, ✍ 💪 `async` 🔗 `reset_db_state()`:
+
+```Python
+async def reset_db_state():
+ database.db._state._state.set(db_state_default.copy())
+ database.db._state.reset()
+```
+
+❎ 👆 🏃♂ 📱 & ▶️ ⚫️ 🔄.
+
+🔁 🎏 🛠️ ⏮️ 1️⃣0️⃣ 📑. 👉 🕰 🌐 👫 🔜 ⌛ & 👆 🔜 🤚 🌐 🏁 🍵 ❌.
+
+...👆 🔧 ⚫️ ❗
+
+## 📄 🌐 📁
+
+ 💭 👆 🔜 ✔️ 📁 📛 `my_super_project` (⚖️ 👐 👆 💚) 👈 🔌 🎧-📁 🤙 `sql_app`.
+
+`sql_app` 🔜 ✔️ 📄 📁:
+
+* `sql_app/__init__.py`: 🛁 📁.
+
+* `sql_app/database.py`:
+
+```Python
+{!../../../docs_src/sql_databases_peewee/sql_app/database.py!}
+```
+
+* `sql_app/models.py`:
+
+```Python
+{!../../../docs_src/sql_databases_peewee/sql_app/models.py!}
+```
+
+* `sql_app/schemas.py`:
+
+```Python
+{!../../../docs_src/sql_databases_peewee/sql_app/schemas.py!}
+```
+
+* `sql_app/crud.py`:
+
+```Python
+{!../../../docs_src/sql_databases_peewee/sql_app/crud.py!}
+```
+
+* `sql_app/main.py`:
+
+```Python
+{!../../../docs_src/sql_databases_peewee/sql_app/main.py!}
+```
+
+## 📡 ℹ
+
+!!! warning
+ 👉 📶 📡 ℹ 👈 👆 🎲 🚫 💪.
+
+### ⚠
+
+🏒 ⚙️ <a href="https://docs.python.org/3/library/threading.html#thread-local-data" class="external-link" target="_blank">`threading.local`</a> 🔢 🏪 ⚫️ 💽 "🇵🇸" 💽 (🔗, 💵, ♒️).
+
+`threading.local` ✍ 💲 🌟 ⏮️ 🧵, ✋️ 🔁 🛠️ 🔜 🏃 🌐 📟 (✅ 🔠 📨) 🎏 🧵, & 🎲 🚫 ✔.
+
+🔛 🔝 👈, 🔁 🛠️ 💪 🏃 🔁 📟 🧵 (⚙️ `asyncio.run_in_executor`), ✋️ 🔗 🎏 📨.
+
+👉 ⛓ 👈, ⏮️ 🏒 ⏮️ 🛠️, 💗 📋 💪 ⚙️ 🎏 `threading.local` 🔢 & 🔚 🆙 🤝 🎏 🔗 & 💽 (👈 👫 🚫🔜 🚫), & 🎏 🕰, 🚥 👫 🛠️ 🔁 👤/🅾-🚧 📟 🧵 (⏮️ 😐 `def` 🔢 FastAPI, *➡ 🛠️* & 🔗), 👈 📟 🏆 🚫 ✔️ 🔐 💽 🇵🇸 🔢, ⏪ ⚫️ 🍕 🎏 📨 & ⚫️ 🔜 💪 🤚 🔐 🎏 💽 🇵🇸.
+
+### 🔑 🔢
+
+🐍 3️⃣.7️⃣ ✔️ <a href="https://docs.python.org/3/library/contextvars.html" class="external-link" target="_blank">`contextvars`</a> 👈 💪 ✍ 🇧🇿 🔢 📶 🎏 `threading.local`, ✋️ 🔗 👫 🔁 ⚒.
+
+📤 📚 👜 ✔️ 🤯.
+
+`ContextVar` ✔️ ✍ 🔝 🕹, 💖:
+
+```Python
+some_var = ContextVar("some_var", default="default value")
+```
+
+⚒ 💲 ⚙️ ⏮️ "🔑" (✅ ⏮️ 📨) ⚙️:
+
+```Python
+some_var.set("new value")
+```
+
+🤚 💲 🙆 🔘 🔑 (✅ 🙆 🍕 🚚 ⏮️ 📨) ⚙️:
+
+```Python
+some_var.get()
+```
+
+### ⚒ 🔑 🔢 `async` 🔗 `reset_db_state()`
+
+🚥 🍕 🔁 📟 ⚒ 💲 ⏮️ `some_var.set("updated in function")` (✅ 💖 `async` 🔗), 🎂 📟 ⚫️ & 📟 👈 🚶 ⏮️ (✅ 📟 🔘 `async` 🔢 🤙 ⏮️ `await`) 🔜 👀 👈 🆕 💲.
+
+, 👆 💼, 🚥 👥 ⚒ 🏒 🇵🇸 🔢 (⏮️ 🔢 `dict`) `async` 🔗, 🌐 🎂 🔗 📟 👆 📱 🔜 👀 👉 💲 & 🔜 💪 ♻ ⚫️ 🎂 📨.
+
+& 🔑 🔢 🔜 ⚒ 🔄 ⏭ 📨, 🚥 👫 🛠️.
+
+### ⚒ 💽 🇵🇸 🔗 `get_db()`
+
+`get_db()` 😐 `def` 🔢, **FastAPI** 🔜 ⚒ ⚫️ 🏃 🧵, ⏮️ *📁* "🔑", 🧑🤝🧑 🎏 💲 🔑 🔢 ( `dict` ⏮️ ⏲ 💽 🇵🇸). ⤴️ ⚫️ 💪 🚮 💽 🇵🇸 👈 `dict`, 💖 🔗, ♒️.
+
+✋️ 🚥 💲 🔑 🔢 (🔢 `dict`) ⚒ 👈 😐 `def` 🔢, ⚫️ 🔜 ✍ 🆕 💲 👈 🔜 🚧 🕴 👈 🧵 🧵, & 🎂 📟 (💖 *➡ 🛠️ 🔢*) 🚫🔜 ✔️ 🔐 ⚫️. `get_db()` 👥 💪 🕴 ⚒ 💲 `dict`, ✋️ 🚫 🎂 `dict` ⚫️.
+
+, 👥 💪 ✔️ `async` 🔗 `reset_db_state()` ⚒ `dict` 🔑 🔢. 👈 🌌, 🌐 📟 ✔️ 🔐 🎏 `dict` 💽 🇵🇸 👁 📨.
+
+### 🔗 & 🔌 🔗 `get_db()`
+
+⤴️ ⏭ ❔ 🔜, ⚫️❔ 🚫 🔗 & 🔌 💽 `async` 🔗 ⚫️, ↩️ `get_db()`❓
+
+`async` 🔗 ✔️ `async` 🔑 🔢 🛡 🎂 📨, ✋️ 🏗 & 📪 💽 🔗 ⚠ 🚧, ⚫️ 💪 📉 🎭 🚥 ⚫️ 📤.
+
+👥 💪 😐 `def` 🔗 `get_db()`.
--- /dev/null
+# 🎧 🈸 - 🗻
+
+🚥 👆 💪 ✔️ 2️⃣ 🔬 FastAPI 🈸, ⏮️ 👫 👍 🔬 🗄 & 👫 👍 🩺 ⚜, 👆 💪 ✔️ 👑 📱 & "🗻" 1️⃣ (⚖️ 🌅) 🎧-🈸(Ⓜ).
+
+## 🗜 **FastAPI** 🈸
+
+"🗜" ⛓ ❎ 🍕 "🔬" 🈸 🎯 ➡, 👈 ⤴️ ✊ 💅 🚚 🌐 🔽 👈 ➡, ⏮️ _➡ 🛠️_ 📣 👈 🎧-🈸.
+
+### 🔝-🎚 🈸
+
+🥇, ✍ 👑, 🔝-🎚, **FastAPI** 🈸, & 🚮 *➡ 🛠️*:
+
+```Python hl_lines="3 6-8"
+{!../../../docs_src/sub_applications/tutorial001.py!}
+```
+
+### 🎧-🈸
+
+⤴️, ✍ 👆 🎧-🈸, & 🚮 *➡ 🛠️*.
+
+👉 🎧-🈸 ➕1️⃣ 🐩 FastAPI 🈸, ✋️ 👉 1️⃣ 👈 🔜 "🗻":
+
+```Python hl_lines="11 14-16"
+{!../../../docs_src/sub_applications/tutorial001.py!}
+```
+
+### 🗻 🎧-🈸
+
+👆 🔝-🎚 🈸, `app`, 🗻 🎧-🈸, `subapi`.
+
+👉 💼, ⚫️ 🔜 📌 ➡ `/subapi`:
+
+```Python hl_lines="11 19"
+{!../../../docs_src/sub_applications/tutorial001.py!}
+```
+
+### ✅ 🏧 🛠️ 🩺
+
+🔜, 🏃 `uvicorn` ⏮️ 👑 📱, 🚥 👆 📁 `main.py`, ⚫️ 🔜:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+& 📂 🩺 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 🏧 🛠️ 🩺 👑 📱, 🔌 🕴 🚮 👍 _➡ 🛠️_:
+
+<img src="/img/tutorial/sub-applications/image01.png">
+
+& ⤴️, 📂 🩺 🎧-🈸, <a href="http://127.0.0.1:8000/subapi/docs" class="external-link" target="_blank">http://127.0.0.1:8000/subapi/docs</a>.
+
+👆 🔜 👀 🏧 🛠️ 🩺 🎧-🈸, ✅ 🕴 🚮 👍 _➡ 🛠️_, 🌐 🔽 ☑ 🎧-➡ 🔡 `/subapi`:
+
+<img src="/img/tutorial/sub-applications/image02.png">
+
+🚥 👆 🔄 🔗 ⏮️ 🙆 2️⃣ 👩💻 🔢, 👫 🔜 👷 ☑, ↩️ 🖥 🔜 💪 💬 🔠 🎯 📱 ⚖️ 🎧-📱.
+
+### 📡 ℹ: `root_path`
+
+🕐❔ 👆 🗻 🎧-🈸 🔬 🔛, FastAPI 🔜 ✊ 💅 🔗 🗻 ➡ 🎧-🈸 ⚙️ 🛠️ ⚪️➡️ 🔫 🔧 🤙 `root_path`.
+
+👈 🌌, 🎧-🈸 🔜 💭 ⚙️ 👈 ➡ 🔡 🩺 🎚.
+
+& 🎧-🈸 💪 ✔️ 🚮 👍 📌 🎧-🈸 & 🌐 🔜 👷 ☑, ↩️ FastAPI 🍵 🌐 👉 `root_path`Ⓜ 🔁.
+
+👆 🔜 💡 🌅 🔃 `root_path` & ❔ ⚙️ ⚫️ 🎯 📄 🔃 [⛅ 🗳](./behind-a-proxy.md){.internal-link target=_blank}.
--- /dev/null
+# 📄
+
+👆 💪 ⚙️ 🙆 📄 🚒 👆 💚 ⏮️ **FastAPI**.
+
+⚠ ⚒ Jinja2️⃣, 🎏 1️⃣ ⚙️ 🏺 & 🎏 🧰.
+
+📤 🚙 🔗 ⚫️ 💪 👈 👆 💪 ⚙️ 🔗 👆 **FastAPI** 🈸 (🚚 💃).
+
+## ❎ 🔗
+
+❎ `jinja2`:
+
+<div class="termy">
+
+```console
+$ pip install jinja2
+
+---> 100%
+```
+
+</div>
+
+## ⚙️ `Jinja2Templates`
+
+* 🗄 `Jinja2Templates`.
+* ✍ `templates` 🎚 👈 👆 💪 🏤-⚙️ ⏪.
+* 📣 `Request` 🔢 *➡ 🛠️* 👈 🔜 📨 📄.
+* ⚙️ `templates` 👆 ✍ ✍ & 📨 `TemplateResponse`, 🚶♀️ `request` 1️⃣ 🔑-💲 👫 Jinja2️⃣ "🔑".
+
+```Python hl_lines="4 11 15-16"
+{!../../../docs_src/templates/tutorial001.py!}
+```
+
+!!! note
+ 👀 👈 👆 ✔️ 🚶♀️ `request` 🍕 🔑-💲 👫 🔑 Jinja2️⃣. , 👆 ✔️ 📣 ⚫️ 👆 *➡ 🛠️*.
+
+!!! tip
+ 📣 `response_class=HTMLResponse` 🩺 🎚 🔜 💪 💭 👈 📨 🔜 🕸.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.templating import Jinja2Templates`.
+
+ **FastAPI** 🚚 🎏 `starlette.templating` `fastapi.templating` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃. 🎏 ⏮️ `Request` & `StaticFiles`.
+
+## ✍ 📄
+
+⤴️ 👆 💪 ✍ 📄 `templates/item.html` ⏮️:
+
+```jinja hl_lines="7"
+{!../../../docs_src/templates/templates/item.html!}
+```
+
+⚫️ 🔜 🎦 `id` ✊ ⚪️➡️ "🔑" `dict` 👆 🚶♀️:
+
+```Python
+{"request": request, "id": id}
+```
+
+## 📄 & 🎻 📁
+
+& 👆 💪 ⚙️ `url_for()` 🔘 📄, & ⚙️ ⚫️, 🖼, ⏮️ `StaticFiles` 👆 📌.
+
+```jinja hl_lines="4"
+{!../../../docs_src/templates/templates/item.html!}
+```
+
+👉 🖼, ⚫️ 🔜 🔗 🎚 📁 `static/styles.css` ⏮️:
+
+```CSS hl_lines="4"
+{!../../../docs_src/templates/static/styles.css!}
+```
+
+& ↩️ 👆 ⚙️ `StaticFiles`, 👈 🎚 📁 🔜 🍦 🔁 👆 **FastAPI** 🈸 📛 `/static/styles.css`.
+
+## 🌅 ℹ
+
+🌅 ℹ, 🔌 ❔ 💯 📄, ✅ <a href="https://www.starlette.io/templates/" class="external-link" target="_blank">💃 🩺 🔛 📄</a>.
--- /dev/null
+# 🔬 💽
+
+👆 💪 ⚙️ 🎏 🔗 🔐 ⚪️➡️ [🔬 🔗 ⏮️ 🔐](testing-dependencies.md){.internal-link target=_blank} 📉 💽 🔬.
+
+👆 💪 💚 ⚒ 🆙 🎏 💽 🔬, 💾 💽 ⏮️ 💯, 🏤-🥧 ⚫️ ⏮️ 🔬 💽, ♒️.
+
+👑 💭 ⚫️❔ 🎏 👆 👀 👈 ⏮️ 📃.
+
+## 🚮 💯 🗄 📱
+
+➡️ ℹ 🖼 ⚪️➡️ [🗄 (🔗) 💽](../tutorial/sql-databases.md){.internal-link target=_blank} ⚙️ 🔬 💽.
+
+🌐 📱 📟 🎏, 👆 💪 🚶 🔙 👈 📃 ✅ ❔ ⚫️.
+
+🕴 🔀 📥 🆕 🔬 📁.
+
+👆 😐 🔗 `get_db()` 🔜 📨 💽 🎉.
+
+💯, 👆 💪 ⚙️ 🔗 🔐 📨 👆 *🛃* 💽 🎉 ↩️ 1️⃣ 👈 🔜 ⚙️ 🛎.
+
+👉 🖼 👥 🔜 ✍ 🍕 💽 🕴 💯.
+
+## 📁 📊
+
+👥 ✍ 🆕 📁 `sql_app/tests/test_sql_app.py`.
+
+🆕 📁 📊 👀 💖:
+
+``` hl_lines="9-11"
+.
+└── sql_app
+ ├── __init__.py
+ ├── crud.py
+ ├── database.py
+ ├── main.py
+ ├── models.py
+ ├── schemas.py
+ └── tests
+ ├── __init__.py
+ └── test_sql_app.py
+```
+
+## ✍ 🆕 💽 🎉
+
+🥇, 👥 ✍ 🆕 💽 🎉 ⏮️ 🆕 💽.
+
+💯 👥 🔜 ⚙️ 📁 `test.db` ↩️ `sql_app.db`.
+
+✋️ 🎂 🎉 📟 🌅 ⚖️ 🌘 🎏, 👥 📁 ⚫️.
+
+```Python hl_lines="8-13"
+{!../../../docs_src/sql_databases/sql_app/tests/test_sql_app.py!}
+```
+
+!!! tip
+ 👆 💪 📉 ❎ 👈 📟 🚮 ⚫️ 🔢 & ⚙️ ⚫️ ⚪️➡️ 👯♂️ `database.py` & `tests/test_sql_app.py`.
+
+ 🦁 & 🎯 🔛 🎯 🔬 📟, 👥 🖨 ⚫️.
+
+## ✍ 💽
+
+↩️ 🔜 👥 🔜 ⚙️ 🆕 💽 🆕 📁, 👥 💪 ⚒ 💭 👥 ✍ 💽 ⏮️:
+
+```Python
+Base.metadata.create_all(bind=engine)
+```
+
+👈 🛎 🤙 `main.py`, ✋️ ⏸ `main.py` ⚙️ 💽 📁 `sql_app.db`, & 👥 💪 ⚒ 💭 👥 ✍ `test.db` 💯.
+
+👥 🚮 👈 ⏸ 📥, ⏮️ 🆕 📁.
+
+```Python hl_lines="16"
+{!../../../docs_src/sql_databases/sql_app/tests/test_sql_app.py!}
+```
+
+## 🔗 🔐
+
+🔜 👥 ✍ 🔗 🔐 & 🚮 ⚫️ 🔐 👆 📱.
+
+```Python hl_lines="19-24 27"
+{!../../../docs_src/sql_databases/sql_app/tests/test_sql_app.py!}
+```
+
+!!! tip
+ 📟 `override_get_db()` 🌖 ⚫️❔ 🎏 `get_db()`, ✋️ `override_get_db()` 👥 ⚙️ `TestingSessionLocal` 🔬 💽 ↩️.
+
+## 💯 📱
+
+⤴️ 👥 💪 💯 📱 🛎.
+
+```Python hl_lines="32-47"
+{!../../../docs_src/sql_databases/sql_app/tests/test_sql_app.py!}
+```
+
+& 🌐 🛠️ 👥 ⚒ 💽 ⏮️ 💯 🔜 `test.db` 💽 ↩️ 👑 `sql_app.db`.
--- /dev/null
+# 🔬 🔗 ⏮️ 🔐
+
+## 🔑 🔗 ⏮️ 🔬
+
+📤 😐 🌐❔ 👆 💪 💚 🔐 🔗 ⏮️ 🔬.
+
+👆 🚫 💚 ⏮️ 🔗 🏃 (🚫 🙆 🎧-🔗 ⚫️ 💪 ✔️).
+
+↩️, 👆 💚 🚚 🎏 🔗 👈 🔜 ⚙️ 🕴 ⏮️ 💯 (🎲 🕴 🎯 💯), & 🔜 🚚 💲 👈 💪 ⚙️ 🌐❔ 💲 ⏮️ 🔗 ⚙️.
+
+### ⚙️ 💼: 🔢 🐕🦺
+
+🖼 💪 👈 👆 ✔️ 🔢 🤝 🐕🦺 👈 👆 💪 🤙.
+
+👆 📨 ⚫️ 🤝 & ⚫️ 📨 🔓 👩💻.
+
+👉 🐕🦺 5️⃣📆 🔌 👆 📍 📨, & 🤙 ⚫️ 💪 ✊ ➕ 🕰 🌘 🚥 👆 ✔️ 🔧 🎁 👩💻 💯.
+
+👆 🎲 💚 💯 🔢 🐕🦺 🕐, ✋️ 🚫 🎯 🤙 ⚫️ 🔠 💯 👈 🏃.
+
+👉 💼, 👆 💪 🔐 🔗 👈 🤙 👈 🐕🦺, & ⚙️ 🛃 🔗 👈 📨 🎁 👩💻, 🕴 👆 💯.
+
+### ⚙️ `app.dependency_overrides` 🔢
+
+👫 💼, 👆 **FastAPI** 🈸 ✔️ 🔢 `app.dependency_overrides`, ⚫️ 🙅 `dict`.
+
+🔐 🔗 🔬, 👆 🚮 🔑 ⏮️ 🔗 (🔢), & 💲, 👆 🔗 🔐 (➕1️⃣ 🔢).
+
+& ⤴️ **FastAPI** 🔜 🤙 👈 🔐 ↩️ ⏮️ 🔗.
+
+```Python hl_lines="28-29 32"
+{!../../../docs_src/dependency_testing/tutorial001.py!}
+```
+
+!!! tip
+ 👆 💪 ⚒ 🔗 🔐 🔗 ⚙️ 🙆 👆 **FastAPI** 🈸.
+
+ ⏮️ 🔗 💪 ⚙️ *➡ 🛠️ 🔢*, *➡ 🛠️ 👨🎨* (🕐❔ 👆 🚫 ⚙️ 📨 💲), `.include_router()` 🤙, ♒️.
+
+ FastAPI 🔜 💪 🔐 ⚫️.
+
+⤴️ 👆 💪 ⏲ 👆 🔐 (❎ 👫) ⚒ `app.dependency_overrides` 🛁 `dict`:
+
+```Python
+app.dependency_overrides = {}
+```
+
+!!! tip
+ 🚥 👆 💚 🔐 🔗 🕴 ⏮️ 💯, 👆 💪 ⚒ 🔐 ▶️ 💯 (🔘 💯 🔢) & ⏲ ⚫️ 🔚 (🔚 💯 🔢).
--- /dev/null
+# 🔬 🎉: 🕴 - 🤫
+
+🕐❔ 👆 💪 👆 🎉 🐕🦺 (`startup` & `shutdown`) 🏃 👆 💯, 👆 💪 ⚙️ `TestClient` ⏮️ `with` 📄:
+
+```Python hl_lines="9-12 20-24"
+{!../../../docs_src/app_testing/tutorial003.py!}
+```
--- /dev/null
+# 🔬 *️⃣
+
+👆 💪 ⚙️ 🎏 `TestClient` 💯*️⃣.
+
+👉, 👆 ⚙️ `TestClient` `with` 📄, 🔗*️⃣:
+
+```Python hl_lines="27-31"
+{!../../../docs_src/app_testing/tutorial002.py!}
+```
+
+!!! note
+ 🌅 ℹ, ✅ 💃 🧾 <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">🔬 *️⃣ </a>.
--- /dev/null
+# ⚙️ 📨 🔗
+
+🆙 🔜, 👆 ✔️ 📣 🍕 📨 👈 👆 💪 ⏮️ 👫 🆎.
+
+✊ 📊 ⚪️➡️:
+
+* ➡ 🔢.
+* 🎚.
+* 🍪.
+* ♒️.
+
+& 🔨, **FastAPI** ⚖ 👈 💽, 🏭 ⚫️ & 🏭 🧾 👆 🛠️ 🔁.
+
+✋️ 📤 ⚠ 🌐❔ 👆 💪 💪 🔐 `Request` 🎚 🔗.
+
+## ℹ 🔃 `Request` 🎚
+
+**FastAPI** 🤙 **💃** 🔘, ⏮️ 🧽 📚 🧰 🔛 🔝, 👆 💪 ⚙️ 💃 <a href="https://www.starlette.io/requests/" class="external-link" target="_blank">`Request`</a> 🎚 🔗 🕐❔ 👆 💪.
+
+⚫️ 🔜 ⛓ 👈 🚥 👆 🤚 📊 ⚪️➡️ `Request` 🎚 🔗 (🖼, ✍ 💪) ⚫️ 🏆 🚫 ✔, 🗜 ⚖️ 📄 (⏮️ 🗄, 🏧 🛠️ 👩💻 🔢) FastAPI.
+
+👐 🙆 🎏 🔢 📣 🛎 (🖼, 💪 ⏮️ Pydantic 🏷) 🔜 ✔, 🗜, ✍, ♒️.
+
+✋️ 📤 🎯 💼 🌐❔ ⚫️ ⚠ 🤚 `Request` 🎚.
+
+## ⚙️ `Request` 🎚 🔗
+
+➡️ 🌈 👆 💚 🤚 👩💻 📢 📢/🦠 🔘 👆 *➡ 🛠️ 🔢*.
+
+👈 👆 💪 🔐 📨 🔗.
+
+```Python hl_lines="1 7-8"
+{!../../../docs_src/using_request_directly/tutorial001.py!}
+```
+
+📣 *➡ 🛠️ 🔢* 🔢 ⏮️ 🆎 ➖ `Request` **FastAPI** 🔜 💭 🚶♀️ `Request` 👈 🔢.
+
+!!! tip
+ 🗒 👈 👉 💼, 👥 📣 ➡ 🔢 ⤴️ 📨 🔢.
+
+ , ➡ 🔢 🔜 ⚗, ✔, 🗜 ✔ 🆎 & ✍ ⏮️ 🗄.
+
+ 🎏 🌌, 👆 💪 📣 🙆 🎏 🔢 🛎, & ➡, 🤚 `Request` 💁♂️.
+
+## `Request` 🧾
+
+👆 💪 ✍ 🌅 ℹ 🔃 <a href="https://www.starlette.io/requests/" class="external-link" target="_blank">`Request` 🎚 🛂 💃 🧾 🕸</a>.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.requests import Request`.
+
+ **FastAPI** 🚚 ⚫️ 🔗 🏪 👆, 👩💻. ✋️ ⚫️ 👟 🔗 ⚪️➡️ 💃.
--- /dev/null
+# *️⃣
+
+👆 💪 ⚙️ <a href="https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API" class="external-link" target="_blank"> *️⃣ </a> ⏮️ **FastAPI**.
+
+## ❎ `WebSockets`
+
+🥇 👆 💪 ❎ `WebSockets`:
+
+<div class="termy">
+
+```console
+$ pip install websockets
+
+---> 100%
+```
+
+</div>
+
+## *️⃣ 👩💻
+
+### 🏭
+
+👆 🏭 ⚙️, 👆 🎲 ✔️ 🕸 ✍ ⏮️ 🏛 🛠️ 💖 😥, Vue.js ⚖️ 📐.
+
+& 🔗 ⚙️ *️⃣ ⏮️ 👆 👩💻 👆 🔜 🎲 ⚙️ 👆 🕸 🚙.
+
+⚖️ 👆 💪 ✔️ 🇦🇸 📱 🈸 👈 🔗 ⏮️ 👆 *️⃣ 👩💻 🔗, 🇦🇸 📟.
+
+⚖️ 👆 5️⃣📆 ✔️ 🙆 🎏 🌌 🔗 ⏮️ *️⃣ 🔗.
+
+---
+
+✋️ 👉 🖼, 👥 🔜 ⚙️ 📶 🙅 🕸 📄 ⏮️ 🕸, 🌐 🔘 📏 🎻.
+
+👉, ↗️, 🚫 ⚖ & 👆 🚫🔜 ⚙️ ⚫️ 🏭.
+
+🏭 👆 🔜 ✔️ 1️⃣ 🎛 🔛.
+
+✋️ ⚫️ 🙅 🌌 🎯 🔛 💽-🚄 *️⃣ & ✔️ 👷 🖼:
+
+```Python hl_lines="2 6-38 41-43"
+{!../../../docs_src/websockets/tutorial001.py!}
+```
+
+## ✍ `websocket`
+
+👆 **FastAPI** 🈸, ✍ `websocket`:
+
+```Python hl_lines="1 46-47"
+{!../../../docs_src/websockets/tutorial001.py!}
+```
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.websockets import WebSocket`.
+
+ **FastAPI** 🚚 🎏 `WebSocket` 🔗 🏪 👆, 👩💻. ✋️ ⚫️ 👟 🔗 ⚪️➡️ 💃.
+
+## ⌛ 📧 & 📨 📧
+
+👆 *️⃣ 🛣 👆 💪 `await` 📧 & 📨 📧.
+
+```Python hl_lines="48-52"
+{!../../../docs_src/websockets/tutorial001.py!}
+```
+
+👆 💪 📨 & 📨 💱, ✍, & 🎻 💽.
+
+## 🔄 ⚫️
+
+🚥 👆 📁 📛 `main.py`, 🏃 👆 🈸 ⏮️:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+📂 👆 🖥 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.
+
+👆 🔜 👀 🙅 📃 💖:
+
+<img src="/img/tutorial/websockets/image01.png">
+
+👆 💪 🆎 📧 🔢 📦, & 📨 👫:
+
+<img src="/img/tutorial/websockets/image02.png">
+
+& 👆 **FastAPI** 🈸 ⏮️ *️⃣ 🔜 📨 🔙:
+
+<img src="/img/tutorial/websockets/image03.png">
+
+👆 💪 📨 (& 📨) 📚 📧:
+
+<img src="/img/tutorial/websockets/image04.png">
+
+& 🌐 👫 🔜 ⚙️ 🎏 *️⃣ 🔗.
+
+## ⚙️ `Depends` & 🎏
+
+*️⃣ 🔗 👆 💪 🗄 ⚪️➡️ `fastapi` & ⚙️:
+
+* `Depends`
+* `Security`
+* `Cookie`
+* `Header`
+* `Path`
+* `Query`
+
+👫 👷 🎏 🌌 🎏 FastAPI 🔗/*➡ 🛠️*:
+
+```Python hl_lines="66-77 76-91"
+{!../../../docs_src/websockets/tutorial002.py!}
+```
+
+!!! info
+ 👉 *️⃣ ⚫️ 🚫 🤙 ⚒ 🔑 🤚 `HTTPException`, ↩️ 👥 🤚 `WebSocketException`.
+
+ 👆 💪 ⚙️ 📪 📟 ⚪️➡️ <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1" class="external-link" target="_blank">☑ 📟 🔬 🔧</a>.
+
+### 🔄 *️⃣ ⏮️ 🔗
+
+🚥 👆 📁 📛 `main.py`, 🏃 👆 🈸 ⏮️:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+📂 👆 🖥 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.
+
+📤 👆 💪 ⚒:
+
+* "🏬 🆔", ⚙️ ➡.
+* "🤝" ⚙️ 🔢 🔢.
+
+!!! tip
+ 👀 👈 🔢 `token` 🔜 🍵 🔗.
+
+⏮️ 👈 👆 💪 🔗 *️⃣ & ⤴️ 📨 & 📨 📧:
+
+<img src="/img/tutorial/websockets/image05.png">
+
+## 🚚 🔀 & 💗 👩💻
+
+🕐❔ *️⃣ 🔗 📪, `await websocket.receive_text()` 🔜 🤚 `WebSocketDisconnect` ⚠, ❔ 👆 💪 ⤴️ ✊ & 🍵 💖 👉 🖼.
+
+```Python hl_lines="81-83"
+{!../../../docs_src/websockets/tutorial003.py!}
+```
+
+🔄 ⚫️ 👅:
+
+* 📂 📱 ⏮️ 📚 🖥 📑.
+* ✍ 📧 ⚪️➡️ 👫.
+* ⤴️ 🔐 1️⃣ 📑.
+
+👈 🔜 🤚 `WebSocketDisconnect` ⚠, & 🌐 🎏 👩💻 🔜 📨 📧 💖:
+
+```
+Client #1596980209979 left the chat
+```
+
+!!! tip
+ 📱 🔛 ⭐ & 🙅 🖼 🎦 ❔ 🍵 & 📻 📧 📚 *️⃣ 🔗.
+
+ ✋️ ✔️ 🤯 👈, 🌐 🍵 💾, 👁 📇, ⚫️ 🔜 🕴 👷 ⏪ 🛠️ 🏃, & 🔜 🕴 👷 ⏮️ 👁 🛠️.
+
+ 🚥 👆 💪 🕳 ⏩ 🛠️ ⏮️ FastAPI ✋️ 👈 🌖 🏋️, 🐕🦺 ✳, ✳ ⚖️ 🎏, ✅ <a href="https://github.com/encode/broadcaster" class="external-link" target="_blank">🗜/📻</a>.
+
+## 🌅 ℹ
+
+💡 🌅 🔃 🎛, ✅ 💃 🧾:
+
+* <a href="https://www.starlette.io/websockets/" class="external-link" target="_blank"> `WebSocket` 🎓</a>.
+* <a href="https://www.starlette.io/endpoints/#websocketendpoint" class="external-link" target="_blank">🎓-⚓️ *️⃣ 🚚</a>.
--- /dev/null
+# ✅ 🇨🇻 - 🏺, ✳, 🎏
+
+👆 💪 🗻 🇨🇻 🈸 👆 👀 ⏮️ [🎧 🈸 - 🗻](./sub-applications.md){.internal-link target=_blank}, [⛅ 🗳](./behind-a-proxy.md){.internal-link target=_blank}.
+
+👈, 👆 💪 ⚙️ `WSGIMiddleware` & ⚙️ ⚫️ 🎁 👆 🇨🇻 🈸, 🖼, 🏺, ✳, ♒️.
+
+## ⚙️ `WSGIMiddleware`
+
+👆 💪 🗄 `WSGIMiddleware`.
+
+⤴️ 🎁 🇨🇻 (✅ 🏺) 📱 ⏮️ 🛠️.
+
+& ⤴️ 🗻 👈 🔽 ➡.
+
+```Python hl_lines="2-3 22"
+{!../../../docs_src/wsgi/tutorial001.py!}
+```
+
+## ✅ ⚫️
+
+🔜, 🔠 📨 🔽 ➡ `/v1/` 🔜 🍵 🏺 🈸.
+
+& 🎂 🔜 🍵 **FastAPI**.
+
+🚥 👆 🏃 ⚫️ ⏮️ Uvicorn & 🚶 <a href="http://localhost:8000/v1/" class="external-link" target="_blank">http://localhost:8000/v1/</a> 👆 🔜 👀 📨 ⚪️➡️ 🏺:
+
+```txt
+Hello, World from Flask!
+```
+
+& 🚥 👆 🚶 <a href="http://localhost:8000/v2" class="external-link" target="_blank">http://localhost:8000/v2</a> 👆 🔜 👀 📨 ⚪️➡️ FastAPI:
+
+```JSON
+{
+ "message": "Hello World"
+}
+```
--- /dev/null
+# 🎛, 🌈 & 🔺
+
+⚫️❔ 😮 **FastAPI**, ❔ ⚫️ 🔬 🎏 🎛 & ⚫️❔ ⚫️ 🇭🇲 ⚪️➡️ 👫.
+
+## 🎶
+
+**FastAPI** 🚫🔜 🔀 🚥 🚫 ⏮️ 👷 🎏.
+
+📤 ✔️ 📚 🧰 ✍ ⏭ 👈 ✔️ ℹ 😮 🚮 🏗.
+
+👤 ✔️ ❎ 🏗 🆕 🛠️ 📚 1️⃣2️⃣🗓️. 🥇 👤 🔄 ❎ 🌐 ⚒ 📔 **FastAPI** ⚙️ 📚 🎏 🛠️, 🔌-🔌, & 🧰.
+
+✋️ ☝, 📤 🙅♂ 🎏 🎛 🌘 🏗 🕳 👈 🚚 🌐 👫 ⚒, ✊ 🏆 💭 ⚪️➡️ ⏮️ 🧰, & 🌀 👫 🏆 🌌 💪, ⚙️ 🇪🇸 ⚒ 👈 ➖🚫 💪 ⏭ (🐍 3️⃣.6️⃣ ➕ 🆎 🔑).
+
+## ⏮️ 🧰
+
+### <a href="https://www.djangoproject.com/" class="external-link" target="_blank">✳</a>
+
+⚫️ 🌅 🌟 🐍 🛠️ & 🛎 🕴. ⚫️ ⚙️ 🏗 ⚙️ 💖 👱📔.
+
+⚫️ 📶 😆 🔗 ⏮️ 🔗 💽 (💖 ✳ ⚖️ ✳),, ✔️ ☁ 💽 (💖 🗄, ✳, 👸, ♒️) 👑 🏪 🚒 🚫 📶 ⏩.
+
+⚫️ ✍ 🏗 🕸 👩💻, 🚫 ✍ 🔗 ⚙️ 🏛 🕸 (💖 😥, Vue.js & 📐) ⚖️ 🎏 ⚙️ (💖 <abbr title="Internet of Things">☁</abbr> 📳) 🔗 ⏮️ ⚫️.
+
+### <a href="https://www.django-rest-framework.org/" class="external-link" target="_blank">✳ 🎂 🛠️</a>
+
+✳ 🎂 🛠️ ✍ 🗜 🧰 🏗 🕸 🔗 ⚙️ ✳ 🔘, 📉 🚮 🛠️ 🛠️.
+
+⚫️ ⚙️ 📚 🏢 ✅ 🦎, 🟥 👒 & 🎟.
+
+⚫️ 🕐 🥇 🖼 **🏧 🛠️ 🧾**, & 👉 🎯 🕐 🥇 💭 👈 😮 "🔎" **FastAPI**.
+
+!!! note
+ ✳ 🎂 🛠️ ✍ ✡ 🇺🇸🏛. 🎏 👼 💃 & Uvicorn, 🔛 ❔ **FastAPI** ⚓️.
+
+
+!!! check "😮 **FastAPI** "
+ ✔️ 🏧 🛠️ 🧾 🕸 👩💻 🔢.
+
+### <a href="https://flask.palletsprojects.com" class="external-link" target="_blank">🏺</a>
+
+🏺 "🕸", ⚫️ 🚫 🔌 💽 🛠️ 🚫 📚 👜 👈 👟 🔢 ✳.
+
+👉 🦁 & 💪 ✔ 🔨 👜 💖 ⚙️ ☁ 💽 👑 💽 💾 ⚙️.
+
+⚫️ 📶 🙅, ⚫️ 📶 🏋️ 💡, 👐 🧾 🤚 🙁 📡 ☝.
+
+⚫️ 🛎 ⚙️ 🎏 🈸 👈 🚫 🎯 💪 💽, 👩💻 🧾, ⚖️ 🙆 📚 ⚒ 👈 👟 🏤-🏗 ✳. 👐 📚 👫 ⚒ 💪 🚮 ⏮️ 🔌-🔌.
+
+👉 ⚖ 🍕, & ➖ "🕸" 👈 💪 ↔ 📔 ⚫️❔ ⚫️❔ 💪 🔑 ⚒ 👈 👤 💚 🚧.
+
+👐 🦁 🏺, ⚫️ 😑 💖 👍 🏏 🏗 🔗. ⏭ 👜 🔎 "✳ 🎂 🛠️" 🏺.
+
+!!! check "😮 **FastAPI** "
+ ◾-🛠️. ⚒ ⚫️ ⏩ 🌀 & 🏏 🧰 & 🍕 💪.
+
+ ✔️ 🙅 & ⏩ ⚙️ 🕹 ⚙️.
+
+
+### <a href="https://requests.readthedocs.io" class="external-link" target="_blank">📨</a>
+
+**FastAPI** 🚫 🤙 🎛 **📨**. 👫 ↔ 📶 🎏.
+
+⚫️ 🔜 🤙 ⚠ ⚙️ 📨 *🔘* FastAPI 🈸.
+
+✋️, FastAPI 🤚 🌈 ⚪️➡️ 📨.
+
+**📨** 🗃 *🔗* ⏮️ 🔗 (👩💻), ⏪ **FastAPI** 🗃 *🏗* 🔗 (💽).
+
+👫, 🌖 ⚖️ 🌘, 🔄 🔚, 🔗 🔠 🎏.
+
+📨 ✔️ 📶 🙅 & 🏋️ 🔧, ⚫️ 📶 ⏩ ⚙️, ⏮️ 🤔 🔢. ✋️ 🎏 🕰, ⚫️ 📶 🏋️ & 🛃.
+
+👈 ⚫️❔, 💬 🛂 🕸:
+
+> 📨 1️⃣ 🏆 ⏬ 🐍 📦 🌐 🕰
+
+🌌 👆 ⚙️ ⚫️ 📶 🙅. 🖼, `GET` 📨, 👆 🔜 ✍:
+
+```Python
+response = requests.get("http://example.com/some/url")
+```
+
+FastAPI 😑 🛠️ *➡ 🛠️* 💪 👀 💖:
+
+```Python hl_lines="1"
+@app.get("/some/url")
+def read_url():
+ return {"message": "Hello World"}
+```
+
+👀 🔀 `requests.get(...)` & `@app.get(...)`.
+
+!!! check "😮 **FastAPI** "
+ * ✔️ 🙅 & 🏋️ 🛠️.
+ * ⚙️ 🇺🇸🔍 👩🔬 📛 (🛠️) 🔗, 🎯 & 🏋️ 🌌.
+ * ✔️ 🤔 🔢, ✋️ 🏋️ 🛃.
+
+
+### <a href="https://swagger.io/" class="external-link" target="_blank">🦁</a> / <a href="https://github.com/OAI/OpenAPI-Specification/" class="external-link" target="_blank">🗄</a>
+
+👑 ⚒ 👤 💚 ⚪️➡️ ✳ 🎂 🛠️ 🏧 🛠️ 🧾.
+
+⤴️ 👤 🔎 👈 📤 🐩 📄 🔗, ⚙️ 🎻 (⚖️ 📁, ↔ 🎻) 🤙 🦁.
+
+& 📤 🕸 👩💻 🔢 🦁 🛠️ ⏪ ✍. , 💆♂ 💪 🏗 🦁 🧾 🛠️ 🔜 ✔ ⚙️ 👉 🕸 👩💻 🔢 🔁.
+
+☝, 🦁 👐 💾 🏛, 📁 🗄.
+
+👈 ⚫️❔ 🕐❔ 💬 🔃 ⏬ 2️⃣.0️⃣ ⚫️ ⚠ 💬 "🦁", & ⏬ 3️⃣ ➕ "🗄".
+
+!!! check "😮 **FastAPI** "
+ 🛠️ & ⚙️ 📂 🐩 🛠️ 🔧, ↩️ 🛃 🔗.
+
+ & 🛠️ 🐩-⚓️ 👩💻 🔢 🧰:
+
+ * <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">🦁 🎚</a>
+ * <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">📄</a>
+
+ 👫 2️⃣ 👐 ➖ 📶 🌟 & ⚖, ✋️ 🔨 ⏩ 🔎, 👆 💪 🔎 💯 🌖 🎛 👩💻 🔢 🗄 (👈 👆 💪 ⚙️ ⏮️ **FastAPI**).
+
+### 🏺 🎂 🛠️
+
+📤 📚 🏺 🎂 🛠️, ✋️ ⏮️ 💰 🕰 & 👷 🔘 🔬 👫, 👤 🔎 👈 📚 😞 ⚖️ 🚫, ⏮️ 📚 🧍 ❔ 👈 ⚒ 👫 🙃.
+
+### <a href="https://marshmallow.readthedocs.io/en/stable/" class="external-link" target="_blank">🍭</a>
+
+1️⃣ 👑 ⚒ 💪 🛠️ ⚙️ 📊 "<abbr title="also called marshalling, conversion">🛠️</abbr>" ❔ ✊ 📊 ⚪️➡️ 📟 (🐍) & 🏭 ⚫️ 🔘 🕳 👈 💪 📨 🔘 🕸. 🖼, 🏭 🎚 ⚗ 📊 ⚪️➡️ 💽 🔘 🎻 🎚. 🏭 `datetime` 🎚 🔘 🎻, ♒️.
+
+➕1️⃣ 🦏 ⚒ 💚 🔗 💽 🔬, ⚒ 💭 👈 💽 ☑, 🤝 🎯 🔢. 🖼, 👈 🏑 `int`, & 🚫 🎲 🎻. 👉 ✴️ ⚠ 📨 💽.
+
+🍵 💽 🔬 ⚙️, 👆 🔜 ✔️ 🌐 ✅ ✋, 📟.
+
+👫 ⚒ ⚫️❔ 🍭 🏗 🚚. ⚫️ 👑 🗃, & 👤 ✔️ ⚙️ ⚫️ 📚 ⏭.
+
+✋️ ⚫️ ✍ ⏭ 📤 🔀 🐍 🆎 🔑. , 🔬 🔠 <abbr title="the definition of how data should be formed">🔗</abbr> 👆 💪 ⚙️ 🎯 🇨🇻 & 🎓 🚚 🍭.
+
+!!! check "😮 **FastAPI** "
+ ⚙️ 📟 🔬 "🔗" 👈 🚚 💽 🆎 & 🔬, 🔁.
+
+### <a href="https://webargs.readthedocs.io/en/latest/" class="external-link" target="_blank">Webarg</a>
+
+➕1️⃣ 🦏 ⚒ ✔ 🔗 <abbr title="reading and converting to Python data">✍</abbr> 📊 ⚪️➡️ 📨 📨.
+
+Webarg 🧰 👈 ⚒ 🚚 👈 🔛 🔝 📚 🛠️, 🔌 🏺.
+
+⚫️ ⚙️ 🍭 🔘 💽 🔬. & ⚫️ ✍ 🎏 👩💻.
+
+⚫️ 👑 🧰 & 👤 ✔️ ⚙️ ⚫️ 📚 💁♂️, ⏭ ✔️ **FastAPI**.
+
+!!! info
+ Webarg ✍ 🎏 🍭 👩💻.
+
+!!! check "😮 **FastAPI** "
+ ✔️ 🏧 🔬 📨 📨 💽.
+
+### <a href="https://apispec.readthedocs.io/en/stable/" class="external-link" target="_blank">APISpec</a>
+
+🍭 & Webarg 🚚 🔬, ✍ & 🛠️ 🔌-🔌.
+
+✋️ 🧾 ❌. ⤴️ APISpec ✍.
+
+⚫️ 🔌-📚 🛠️ (& 📤 🔌-💃 💁♂️).
+
+🌌 ⚫️ 👷 👈 👆 ✍ 🔑 🔗 ⚙️ 📁 📁 🔘 #️⃣ 🔠 🔢 🚚 🛣.
+
+& ⚫️ 🏗 🗄 🔗.
+
+👈 ❔ ⚫️ 👷 🏺, 💃, 🆘, ♒️.
+
+✋️ ⤴️, 👥 ✔️ 🔄 ⚠ ✔️ ◾-❕, 🔘 🐍 🎻 (🦏 📁).
+
+👨🎨 💪 🚫 ℹ 🌅 ⏮️ 👈. & 🚥 👥 🔀 🔢 ⚖️ 🍭 🔗 & 💭 🔀 👈 📁#️⃣, 🏗 🔗 🔜 ❌.
+
+!!! info
+ APISpec ✍ 🎏 🍭 👩💻.
+
+
+!!! check "😮 **FastAPI** "
+ 🐕🦺 📂 🐩 🛠️, 🗄.
+
+### <a href="https://flask-apispec.readthedocs.io/en/latest/" class="external-link" target="_blank">🏺-Apispec</a>
+
+⚫️ 🏺 🔌 -, 👈 👔 👯♂️ Webarg, 🍭 & APISpec.
+
+⚫️ ⚙️ ℹ ⚪️➡️ Webarg & 🍭 🔁 🏗 🗄 🔗, ⚙️ APISpec.
+
+⚫️ 👑 🧰, 📶 🔽-📈. ⚫️ 🔜 🌌 🌖 🌟 🌘 📚 🏺 🔌-🔌 👅 📤. ⚫️ 💪 ↩️ 🚮 🧾 ➖ 💁♂️ 🩲 & 📝.
+
+👉 ❎ ✔️ ✍ 📁 (➕1️⃣ ❕) 🔘 🐍 ✍.
+
+👉 🌀 🏺, 🏺-Apispec ⏮️ 🍭 & Webarg 👇 💕 👩💻 📚 ⏭ 🏗 **FastAPI**.
+
+⚙️ ⚫️ ↘️ 🏗 📚 🏺 🌕-📚 🚂. 👫 👑 📚 👤 (& 📚 🔢 🏉) ✔️ ⚙️ 🆙 🔜:
+
+* <a href="https://github.com/tiangolo/full-stack" class="external-link" target="_blank">https://github.com/tiangolo/full-stack</a>
+* <a href="https://github.com/tiangolo/full-stack-flask-couchbase" class="external-link" target="_blank">https://github.com/tiangolo/full-stack-flask-couchbase</a>
+* <a href="https://github.com/tiangolo/full-stack-flask-couchdb" class="external-link" target="_blank">https://github.com/tiangolo/full-stack-flask-couchdb</a>
+
+& 👫 🎏 🌕-📚 🚂 🧢 [**FastAPI** 🏗 🚂](project-generation.md){.internal-link target=_blank}.
+
+!!! info
+ 🏺-Apispec ✍ 🎏 🍭 👩💻.
+
+!!! check "😮 **FastAPI** "
+ 🏗 🗄 🔗 🔁, ⚪️➡️ 🎏 📟 👈 🔬 🛠️ & 🔬.
+
+### <a href="https://nestjs.com/" class="external-link" target="_blank">NestJS</a> (& <a href="https://angular.io/" class="external-link" target="_blank">📐</a>)
+
+👉 ➖🚫 🚫 🐍, NestJS 🕸 (📕) ✳ 🛠️ 😮 📐.
+
+⚫️ 🏆 🕳 🙁 🎏 ⚫️❔ 💪 🔨 ⏮️ 🏺-Apispec.
+
+⚫️ ✔️ 🛠️ 🔗 💉 ⚙️, 😮 📐 2️⃣. ⚫️ 🚚 🏤-® "💉" (💖 🌐 🎏 🔗 💉 ⚙️ 👤 💭),, ⚫️ 🚮 🎭 & 📟 🔁.
+
+🔢 🔬 ⏮️ 📕 🆎 (🎏 🐍 🆎 🔑), 👨🎨 🐕🦺 👍.
+
+✋️ 📕 📊 🚫 🛡 ⏮️ 📹 🕸, ⚫️ 🚫🔜 ⚓️ 🔛 🆎 🔬 🔬, 🛠️ & 🧾 🎏 🕰. ↩️ 👉 & 🔧 🚫, 🤚 🔬, 🛠️ & 🏧 🔗 ⚡, ⚫️ 💪 🚮 👨🎨 📚 🥉. , ⚫️ ▶️️ 🔁.
+
+⚫️ 💪 🚫 🍵 🔁 🏷 📶 👍. , 🚥 🎻 💪 📨 🎻 🎚 👈 ✔️ 🔘 🏑 👈 🔄 🐦 🎻 🎚, ⚫️ 🚫🔜 ☑ 📄 & ✔.
+
+!!! check "😮 **FastAPI** "
+ ⚙️ 🐍 🆎 ✔️ 👑 👨🎨 🐕🦺.
+
+ ✔️ 🏋️ 🔗 💉 ⚙️. 🔎 🌌 📉 📟 🔁.
+
+### <a href="https://sanic.readthedocs.io/en/latest/" class="external-link" target="_blank">🤣</a>
+
+⚫️ 🕐 🥇 📶 ⏩ 🐍 🛠️ ⚓️ 🔛 `asyncio`. ⚫️ ⚒ 📶 🎏 🏺.
+
+!!! note "📡 ℹ"
+ ⚫️ ⚙️ <a href="https://github.com/MagicStack/uvloop" class="external-link" target="_blank">`uvloop`</a> ↩️ 🔢 🐍 `asyncio` ➰. 👈 ⚫️❔ ⚒ ⚫️ ⏩.
+
+ ⚫️ 🎯 😮 Uvicorn & 💃, 👈 ⏳ ⏩ 🌘 🤣 📂 📇.
+
+!!! check "😮 **FastAPI** "
+ 🔎 🌌 ✔️ 😜 🎭.
+
+ 👈 ⚫️❔ **FastAPI** ⚓️ 🔛 💃, ⚫️ ⏩ 🛠️ 💪 (💯 🥉-🥳 📇).
+
+### <a href="https://falconframework.org/" class="external-link" target="_blank">🦅</a>
+
+🦅 ➕1️⃣ ↕ 🎭 🐍 🛠️, ⚫️ 🔧 ⭐, & 👷 🏛 🎏 🛠️ 💖 🤗.
+
+⚫️ 🏗 ✔️ 🔢 👈 📨 2️⃣ 🔢, 1️⃣ "📨" & 1️⃣ "📨". ⤴️ 👆 "✍" 🍕 ⚪️➡️ 📨, & "✍" 🍕 📨. ↩️ 👉 🔧, ⚫️ 🚫 💪 📣 📨 🔢 & 💪 ⏮️ 🐩 🐍 🆎 🔑 🔢 🔢.
+
+, 💽 🔬, 🛠️, & 🧾, ✔️ ⌛ 📟, 🚫 🔁. ⚖️ 👫 ✔️ 🛠️ 🛠️ 🔛 🔝 🦅, 💖 🤗. 👉 🎏 🔺 🔨 🎏 🛠️ 👈 😮 🦅 🔧, ✔️ 1️⃣ 📨 🎚 & 1️⃣ 📨 🎚 🔢.
+
+!!! check "😮 **FastAPI** "
+ 🔎 🌌 🤚 👑 🎭.
+
+ ⤴️ ⏮️ 🤗 (🤗 ⚓️ 🔛 🦅) 😮 **FastAPI** 📣 `response` 🔢 🔢.
+
+ 👐 FastAPI ⚫️ 📦, & ⚙️ ✴️ ⚒ 🎚, 🍪, & 🎛 👔 📟.
+
+### <a href="https://moltenframework.com/" class="external-link" target="_blank">♨</a>
+
+👤 🔎 ♨ 🥇 ▶️ 🏗 **FastAPI**. & ⚫️ ✔️ 🎏 💭:
+
+* ⚓️ 🔛 🐍 🆎 🔑.
+* 🔬 & 🧾 ⚪️➡️ 👫 🆎.
+* 🔗 💉 ⚙️.
+
+⚫️ 🚫 ⚙️ 💽 🔬, 🛠️ & 🧾 🥉-🥳 🗃 💖 Pydantic, ⚫️ ✔️ 🚮 👍. , 👫 💽 🆎 🔑 🔜 🚫 ♻ 💪.
+
+⚫️ 🚚 🐥 🍖 🌅 🔁 📳. & ⚫️ ⚓️ 🔛 🇨🇻 (↩️ 🔫), ⚫️ 🚫 🔧 ✊ 📈 ↕-🎭 🚚 🧰 💖 Uvicorn, 💃 & 🤣.
+
+🔗 💉 ⚙️ 🚚 🏤-® 🔗 & 🔗 ❎ 🧢 🔛 📣 🆎. , ⚫️ 🚫 💪 📣 🌅 🌘 1️⃣ "🦲" 👈 🚚 🎯 🆎.
+
+🛣 📣 👁 🥉, ⚙️ 🔢 📣 🎏 🥉 (↩️ ⚙️ 👨🎨 👈 💪 🥉 ▶️️ 🔛 🔝 🔢 👈 🍵 🔗). 👉 🔐 ❔ ✳ 🔨 ⚫️ 🌘 ❔ 🏺 (& 💃) 🔨 ⚫️. ⚫️ 🎏 📟 👜 👈 📶 😆 🔗.
+
+!!! check "😮 **FastAPI** "
+ 🔬 ➕ 🔬 💽 🆎 ⚙️ "🔢" 💲 🏷 🔢. 👉 📉 👨🎨 🐕🦺, & ⚫️ 🚫 💪 Pydantic ⏭.
+
+ 👉 🤙 😮 🛠️ 🍕 Pydantic, 🐕🦺 🎏 🔬 📄 👗 (🌐 👉 🛠️ 🔜 ⏪ 💪 Pydantic).
+
+### <a href="https://www.hug.rest/" class="external-link" target="_blank">🤗</a>
+
+🤗 🕐 🥇 🛠️ 🛠️ 📄 🛠️ 🔢 🆎 ⚙️ 🐍 🆎 🔑. 👉 👑 💭 👈 😮 🎏 🧰 🎏.
+
+⚫️ ⚙️ 🛃 🆎 🚮 📄 ↩️ 🐩 🐍 🆎, ✋️ ⚫️ 🦏 🔁 ⏩.
+
+⚫️ 🕐 🥇 🛠️ 🏗 🛃 🔗 📣 🎂 🛠️ 🎻.
+
+⚫️ 🚫 ⚓️ 🔛 🐩 💖 🗄 & 🎻 🔗. ⚫️ 🚫🔜 🎯 🛠️ ⚫️ ⏮️ 🎏 🧰, 💖 🦁 🎚. ✋️ 🔄, ⚫️ 📶 💡 💭.
+
+⚫️ ✔️ 😌, ⭐ ⚒: ⚙️ 🎏 🛠️, ⚫️ 💪 ✍ 🔗 & 🇳🇨.
+
+⚫️ ⚓️ 🔛 ⏮️ 🐩 🔁 🐍 🕸 🛠️ (🇨🇻), ⚫️ 💪 🚫 🍵 *️⃣ & 🎏 👜, 👐 ⚫️ ✔️ ↕ 🎭 💁♂️.
+
+!!! info
+ 🤗 ✍ ✡ 🗄, 🎏 👼 <a href="https://github.com/timothycrosley/isort" class="external-link" target="_blank">`isort`</a>, 👑 🧰 🔁 😇 🗄 🐍 📁.
+
+!!! check "💭 😮 **FastAPI**"
+ 🤗 😮 🍕 APIStar, & 1️⃣ 🧰 👤 🔎 🏆 👍, 🌟 APIStar.
+
+ 🤗 ℹ 😍 **FastAPI** ⚙️ 🐍 🆎 🔑 📣 🔢, & 🏗 🔗 ⚖ 🛠️ 🔁.
+
+ 🤗 😮 **FastAPI** 📣 `response` 🔢 🔢 ⚒ 🎚 & 🍪.
+
+### <a href="https://github.com/encode/apistar" class="external-link" target="_blank">APIStar</a> (<= 0️⃣.5️⃣)
+
+▶️️ ⏭ 🤔 🏗 **FastAPI** 👤 🔎 **APIStar** 💽. ⚫️ ✔️ 🌖 🌐 👤 👀 & ✔️ 👑 🔧.
+
+⚫️ 🕐 🥇 🛠️ 🛠️ ⚙️ 🐍 🆎 🔑 📣 🔢 & 📨 👈 👤 ⏱ 👀 (⏭ NestJS & ♨). 👤 🔎 ⚫️ 🌅 ⚖️ 🌘 🎏 🕰 🤗. ✋️ APIStar ⚙️ 🗄 🐩.
+
+⚫️ ✔️ 🏧 💽 🔬, 💽 🛠️ & 🗄 🔗 ⚡ ⚓️ 🔛 🎏 🆎 🔑 📚 🥉.
+
+💪 🔗 🔑 🚫 ⚙️ 🎏 🐍 🆎 🔑 💖 Pydantic, ⚫️ 🍖 🌅 🎏 🍭,, 👨🎨 🐕🦺 🚫🔜 👍, ✋️, APIStar 🏆 💪 🎛.
+
+⚫️ ✔️ 🏆 🎭 📇 🕰 (🕴 💥 💃).
+
+🥇, ⚫️ 🚫 ✔️ 🏧 🛠️ 🧾 🕸 🎚, ✋️ 👤 💭 👤 💪 🚮 🦁 🎚 ⚫️.
+
+⚫️ ✔️ 🔗 💉 ⚙️. ⚫️ ✔ 🏤-® 🦲, 🎏 🧰 🔬 🔛. ✋️, ⚫️ 👑 ⚒.
+
+👤 🙅 💪 ⚙️ ⚫️ 🌕 🏗, ⚫️ 🚫 ✔️ 💂♂ 🛠️,, 👤 🚫 🚫 ❎ 🌐 ⚒ 👤 ✔️ ⏮️ 🌕-📚 🚂 ⚓️ 🔛 🏺-Apispec. 👤 ✔️ 👇 📈 🏗 ✍ 🚲 📨 ❎ 👈 🛠️.
+
+✋️ ⤴️, 🏗 🎯 🔀.
+
+⚫️ 🙅♂ 📏 🛠️ 🕸 🛠️, 👼 💪 🎯 🔛 💃.
+
+🔜 APIStar ⚒ 🧰 ✔ 🗄 🔧, 🚫 🕸 🛠️.
+
+!!! info
+ APIStar ✍ ✡ 🇺🇸🏛. 🎏 👨 👈 ✍:
+
+ * ✳ 🎂 🛠️
+ * 💃 (❔ **FastAPI** ⚓️)
+ * Uvicorn (⚙️ 💃 & **FastAPI**)
+
+!!! check "😮 **FastAPI** "
+ 🔀.
+
+ 💭 📣 💗 👜 (💽 🔬, 🛠️ & 🧾) ⏮️ 🎏 🐍 🆎, 👈 🎏 🕰 🚚 👑 👨🎨 🐕🦺, 🕳 👤 🤔 💎 💭.
+
+ & ⏮️ 🔎 📏 🕰 🎏 🛠️ & 🔬 📚 🎏 🎛, APIStar 🏆 🎛 💪.
+
+ ⤴️ APIStar ⛔️ 🔀 💽 & 💃 ✍, & 🆕 👻 🏛 ✅ ⚙️. 👈 🏁 🌈 🏗 **FastAPI**.
+
+ 👤 🤔 **FastAPI** "🛐 👨💼" APIStar, ⏪ 📉 & 📈 ⚒, ⌨ ⚙️, & 🎏 🍕, ⚓️ 🔛 🏫 ⚪️➡️ 🌐 👉 ⏮️ 🧰.
+
+## ⚙️ **FastAPI**
+
+### <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a>
+
+Pydantic 🗃 🔬 💽 🔬, 🛠️ & 🧾 (⚙️ 🎻 🔗) ⚓️ 🔛 🐍 🆎 🔑.
+
+👈 ⚒ ⚫️ 📶 🏋️.
+
+⚫️ ⭐ 🍭. 👐 ⚫️ ⏩ 🌘 🍭 📇. & ⚫️ ⚓️ 🔛 🎏 🐍 🆎 🔑, 👨🎨 🐕🦺 👑.
+
+!!! check "**FastAPI** ⚙️ ⚫️"
+ 🍵 🌐 💽 🔬, 💽 🛠️ & 🏧 🏷 🧾 (⚓️ 🔛 🎻 🔗).
+
+ **FastAPI** ⤴️ ✊ 👈 🎻 🔗 💽 & 🚮 ⚫️ 🗄, ↖️ ⚪️➡️ 🌐 🎏 👜 ⚫️ 🔨.
+
+### <a href="https://www.starlette.io/" class="external-link" target="_blank">💃</a>
+
+💃 💿 <abbr title="The new standard for building asynchronous Python web">🔫</abbr> 🛠️/🧰, ❔ 💯 🏗 ↕-🎭 ✳ 🐕🦺.
+
+⚫️ 📶 🙅 & 🏋️. ⚫️ 🔧 💪 🏧, & ✔️ 🔧 🦲.
+
+⚫️ ✔️:
+
+* 🤙 🎆 🎭.
+* *️⃣ 🐕🦺.
+* -🛠️ 🖥 📋.
+* 🕴 & 🤫 🎉.
+* 💯 👩💻 🏗 🔛 🇸🇲.
+* ⚜, 🗜, 🎻 📁, 🎏 📨.
+* 🎉 & 🍪 🐕🦺.
+* 1️⃣0️⃣0️⃣ 💯 💯 💰.
+* 1️⃣0️⃣0️⃣ 💯 🆎 ✍ ✍.
+* 👩❤👨 🏋️ 🔗.
+
+💃 ⏳ ⏩ 🐍 🛠️ 💯. 🕴 💥 Uvicorn, ❔ 🚫 🛠️, ✋️ 💽.
+
+💃 🚚 🌐 🔰 🕸 🕸 🛠️.
+
+✋️ ⚫️ 🚫 🚚 🏧 💽 🔬, 🛠️ ⚖️ 🧾.
+
+👈 1️⃣ 👑 👜 👈 **FastAPI** 🚮 🔛 🔝, 🌐 ⚓️ 🔛 🐍 🆎 🔑 (⚙️ Pydantic). 👈, ➕ 🔗 💉 ⚙️, 💂♂ 🚙, 🗄 🔗 ⚡, ♒️.
+
+!!! note "📡 ℹ"
+ 🔫 🆕 "🐩" ➖ 🛠️ ✳ 🐚 🏉 👨🎓. ⚫️ 🚫 "🐍 🐩" (🇩🇬), 👐 👫 🛠️ 🔨 👈.
+
+ 👐, ⚫️ ⏪ ➖ ⚙️ "🐩" 📚 🧰. 👉 📉 📉 🛠️, 👆 💪 🎛 Uvicorn 🙆 🎏 🔫 💽 (💖 👸 ⚖️ Hypercorn), ⚖️ 👆 💪 🚮 🔫 🔗 🧰, 💖 `python-socketio`.
+
+!!! check "**FastAPI** ⚙️ ⚫️"
+ 🍵 🌐 🐚 🕸 🍕. ❎ ⚒ 🔛 🔝.
+
+ 🎓 `FastAPI` ⚫️ 😖 🔗 ⚪️➡️ 🎓 `Starlette`.
+
+ , 🕳 👈 👆 💪 ⏮️ 💃, 👆 💪 ⚫️ 🔗 ⏮️ **FastAPI**, ⚫️ 🌖 💃 🔛 💊.
+
+### <a href="https://www.uvicorn.org/" class="external-link" target="_blank">Uvicorn</a>
+
+Uvicorn 🌩-⏩ 🔫 💽, 🏗 🔛 uvloop & httptool.
+
+⚫️ 🚫 🕸 🛠️, ✋️ 💽. 🖼, ⚫️ 🚫 🚚 🧰 🕹 ➡. 👈 🕳 👈 🛠️ 💖 💃 (⚖️ **FastAPI**) 🔜 🚚 🔛 🔝.
+
+⚫️ 👍 💽 💃 & **FastAPI**.
+
+!!! check "**FastAPI** 👍 ⚫️"
+ 👑 🕸 💽 🏃 **FastAPI** 🈸.
+
+ 👆 💪 🌀 ⚫️ ⏮️ 🐁, ✔️ 🔁 👁-🛠️ 💽.
+
+ ✅ 🌅 ℹ [🛠️](deployment/index.md){.internal-link target=_blank} 📄.
+
+## 📇 & 🚅
+
+🤔, 🔬, & 👀 🔺 🖖 Uvicorn, 💃 & FastAPI, ✅ 📄 🔃 [📇](benchmarks.md){.internal-link target=_blank}.
--- /dev/null
+# 🛠️ & 🔁 / ⌛
+
+ℹ 🔃 `async def` ❕ *➡ 🛠️ 🔢* & 🖥 🔃 🔁 📟, 🛠️, & 🔁.
+
+## 🏃 ❓
+
+<abbr title="too long; didn't read"><strong>🆑;👩⚕️:</strong></abbr>
+
+🚥 👆 ⚙️ 🥉 🥳 🗃 👈 💬 👆 🤙 👫 ⏮️ `await`, 💖:
+
+```Python
+results = await some_library()
+```
+
+⤴️, 📣 👆 *➡ 🛠️ 🔢* ⏮️ `async def` 💖:
+
+```Python hl_lines="2"
+@app.get('/')
+async def read_results():
+ results = await some_library()
+ return results
+```
+
+!!! note
+ 👆 💪 🕴 ⚙️ `await` 🔘 🔢 ✍ ⏮️ `async def`.
+
+---
+
+🚥 👆 ⚙️ 🥉 🥳 🗃 👈 🔗 ⏮️ 🕳 (💽, 🛠️, 📁 ⚙️, ♒️.) & 🚫 ✔️ 🐕🦺 ⚙️ `await`, (👉 ⏳ 💼 🌅 💽 🗃), ⤴️ 📣 👆 *➡ 🛠️ 🔢* 🛎, ⏮️ `def`, 💖:
+
+```Python hl_lines="2"
+@app.get('/')
+def results():
+ results = some_library()
+ return results
+```
+
+---
+
+🚥 👆 🈸 (😫) 🚫 ✔️ 🔗 ⏮️ 🕳 🙆 & ⌛ ⚫️ 📨, ⚙️ `async def`.
+
+---
+
+🚥 👆 🚫 💭, ⚙️ 😐 `def`.
+
+---
+
+**🗒**: 👆 💪 🌀 `def` & `async def` 👆 *➡ 🛠️ 🔢* 🌅 👆 💪 & 🔬 🔠 1️⃣ ⚙️ 🏆 🎛 👆. FastAPI 🔜 ▶️️ 👜 ⏮️ 👫.
+
+😆, 🙆 💼 🔛, FastAPI 🔜 👷 🔁 & 📶 ⏩.
+
+✋️ 📄 📶 🔛, ⚫️ 🔜 💪 🎭 🛠️.
+
+## 📡 ℹ
+
+🏛 ⏬ 🐍 ✔️ 🐕🦺 **"🔁 📟"** ⚙️ 🕳 🤙 **"🔁"**, ⏮️ **`async` & `await`** ❕.
+
+➡️ 👀 👈 🔤 🍕 📄 🔛:
+
+* **🔁 📟**
+* **`async` & `await`**
+* **🔁**
+
+## 🔁 📟
+
+🔁 📟 ⛓ 👈 🇪🇸 👶 ✔️ 🌌 💬 💻 / 📋 👶 👈 ☝ 📟, ⚫️ 👶 🔜 ✔️ ⌛ *🕳 🙆* 🏁 👱 🙆. ➡️ 💬 👈 *🕳 🙆* 🤙 "🐌-📁" 👶.
+
+, ⏮️ 👈 🕰, 💻 💪 🚶 & 🎏 👷, ⏪ "🐌-📁" 👶 🏁.
+
+⤴️ 💻 / 📋 👶 🔜 👟 🔙 🔠 🕰 ⚫️ ✔️ 🤞 ↩️ ⚫️ ⌛ 🔄, ⚖️ 🕐❔ ⚫️ 👶 🏁 🌐 👷 ⚫️ ✔️ 👈 ☝. & ⚫️ 👶 🔜 👀 🚥 🙆 📋 ⚫️ ⌛ ✔️ ⏪ 🏁, 🤸 ⚫️❔ ⚫️ ✔️.
+
+⏭, ⚫️ 👶 ✊ 🥇 📋 🏁 (➡️ 💬, 👆 "🐌-📁" 👶) & 😣 ⚫️❔ ⚫️ ✔️ ⏮️ ⚫️.
+
+👈 "⌛ 🕳 🙆" 🛎 🔗 <abbr title="Input and Output">👤/🅾</abbr> 🛠️ 👈 📶 "🐌" (🔬 🚅 🕹 & 💾 💾), 💖 ⌛:
+
+* 📊 ⚪️➡️ 👩💻 📨 🔘 🕸
+* 📊 📨 👆 📋 📨 👩💻 🔘 🕸
+* 🎚 📁 💾 ✍ ⚙️ & 🤝 👆 📋
+* 🎚 👆 📋 🤝 ⚙️ ✍ 💾
+* 🛰 🛠️ 🛠️
+* 💽 🛠️ 🏁
+* 💽 🔢 📨 🏁
+* ♒️.
+
+🛠️ 🕰 🍴 ✴️ ⌛ <abbr title="Input and Output">👤/🅾</abbr> 🛠️, 👫 🤙 👫 "👤/🅾 🔗" 🛠️.
+
+⚫️ 🤙 "🔁" ↩️ 💻 / 📋 🚫 ✔️ "🔁" ⏮️ 🐌 📋, ⌛ ☑ 🙍 👈 📋 🏁, ⏪ 🔨 🕳, 💪 ✊ 📋 🏁 & 😣 👷.
+
+↩️ 👈, 💆♂ "🔁" ⚙️, 🕐 🏁, 📋 💪 ⌛ ⏸ 🐥 👄 (⏲) 💻 / 📋 🏁 ⚫️❔ ⚫️ 🚶, & ⤴️ 👟 🔙 ✊ 🏁 & 😣 👷 ⏮️ 👫.
+
+"🔁" (👽 "🔁") 👫 🛎 ⚙️ ⚖ "🔁", ↩️ 💻 / 📋 ⏩ 🌐 📶 🔁 ⏭ 🔀 🎏 📋, 🚥 👈 🔁 🔌 ⌛.
+
+### 🛠️ & 🍔
+
+👉 💭 **🔁** 📟 🔬 🔛 🕣 🤙 **"🛠️"**. ⚫️ 🎏 ⚪️➡️ **"🔁"**.
+
+**🛠️** & **🔁** 👯♂️ 🔗 "🎏 👜 😥 🌅 ⚖️ 🌘 🎏 🕰".
+
+✋️ ℹ 🖖 *🛠️* & *🔁* 🎏.
+
+👀 🔺, 🌈 📄 📖 🔃 🍔:
+
+### 🛠️ 🍔
+
+👆 🚶 ⏮️ 👆 🥰 🤚 ⏩ 🥕, 👆 🧍 ⏸ ⏪ 🏧 ✊ ✔ ⚪️➡️ 👫👫 🚪 👆. 👶
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-01.png" class="illustration">
+
+⤴️ ⚫️ 👆 🔄, 👆 🥉 👆 ✔ 2️⃣ 📶 🎀 🍔 👆 🥰 & 👆. 👶 👶
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-02.png" class="illustration">
+
+🏧 💬 🕳 🍳 👨🍳 👫 💭 👫 ✔️ 🏗 👆 🍔 (✋️ 👫 ⏳ 🏗 🕐 ⏮️ 👩💻).
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-03.png" class="illustration">
+
+👆 💸. 👶
+
+🏧 🤝 👆 🔢 👆 🔄.
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-04.png" class="illustration">
+
+⏪ 👆 ⌛, 👆 🚶 ⏮️ 👆 🥰 & ⚒ 🏓, 👆 🧎 & 💬 ⏮️ 👆 🥰 📏 🕰 (👆 🍔 📶 🎀 & ✊ 🕰 🏗).
+
+👆 🏖 🏓 ⏮️ 👆 🥰, ⏪ 👆 ⌛ 🍔, 👆 💪 💸 👈 🕰 😮 ❔ 👌, 🐨 & 🙃 👆 🥰 👶 👶 👶.
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-05.png" class="illustration">
+
+⏪ ⌛ & 💬 👆 🥰, ⚪️➡️ 🕰 🕰, 👆 ✅ 🔢 🖥 🔛 ⏲ 👀 🚥 ⚫️ 👆 🔄 ⏪.
+
+⤴️ ☝, ⚫️ 😒 👆 🔄. 👆 🚶 ⏲, 🤚 👆 🍔 & 👟 🔙 🏓.
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-06.png" class="illustration">
+
+👆 & 👆 🥰 🍴 🍔 & ✔️ 👌 🕰. 👶
+
+<img src="/img/async/concurrent-burgers/concurrent-burgers-07.png" class="illustration">
+
+!!! info
+ 🌹 🖼 <a href="https://www.instagram.com/ketrinadrawsalot" class="external-link" target="_blank">👯 🍏</a>. 👶
+
+---
+
+🌈 👆 💻 / 📋 👶 👈 📖.
+
+⏪ 👆 ⏸, 👆 ⛽ 👶, ⌛ 👆 🔄, 🚫 🔨 🕳 📶 "😌". ✋️ ⏸ ⏩ ↩️ 🏧 🕴 ✊ ✔ (🚫 🏗 👫), 👈 👌.
+
+⤴️, 🕐❔ ⚫️ 👆 🔄, 👆 ☑ "😌" 👷, 👆 🛠️ 🍣, 💭 ⚫️❔ 👆 💚, 🤚 👆 🥰 ⚒, 💸, ✅ 👈 👆 🤝 ☑ 💵 ⚖️ 💳, ✅ 👈 👆 🈚 ☑, ✅ 👈 ✔ ✔️ ☑ 🏬, ♒️.
+
+✋️ ⤴️, ✋️ 👆 🚫 ✔️ 👆 🍔, 👆 👷 ⏮️ 🏧 "🔛 ⏸" ⏸, ↩️ 👆 ✔️ ⌛ 👶 👆 🍔 🔜.
+
+✋️ 👆 🚶 ↖️ ⚪️➡️ ⏲ & 🧎 🏓 ⏮️ 🔢 👆 🔄, 👆 💪 🎛 👶 👆 🙋 👆 🥰, & "👷" 👶 👶 🔛 👈. ⤴️ 👆 🔄 🔨 🕳 📶 "😌" 😏 ⏮️ 👆 🥰 👶.
+
+⤴️ 🏧 👶 💬 "👤 🏁 ⏮️ 🔨 🍔" 🚮 👆 🔢 🔛 ⏲ 🖥, ✋️ 👆 🚫 🦘 💖 😜 ⏪ 🕐❔ 🖥 🔢 🔀 👆 🔄 🔢. 👆 💭 🙅♂ 1️⃣ 🔜 📎 👆 🍔 ↩️ 👆 ✔️ 🔢 👆 🔄, & 👫 ✔️ 👫.
+
+👆 ⌛ 👆 🥰 🏁 📖 (🏁 ⏮️ 👷 👶 / 📋 ➖ 🛠️ 👶), 😀 🖐 & 💬 👈 👆 🔜 🍔 ⏸.
+
+⤴️ 👆 🚶 ⏲ 👶, ▶️ 📋 👈 🔜 🏁 👶, ⚒ 🍔, 💬 👏 & ✊ 👫 🏓. 👈 🏁 👈 🔁 / 📋 🔗 ⏮️ ⏲ ⏹. 👈 🔄, ✍ 🆕 📋, "🍴 🍔" 👶 👶, ✋️ ⏮️ 1️⃣ "🤚 🍔" 🏁 ⏹.
+
+### 🔗 🍔
+
+🔜 ➡️ 🌈 👫 ➖🚫 🚫 "🛠️ 🍔", ✋️ "🔗 🍔".
+
+👆 🚶 ⏮️ 👆 🥰 🤚 🔗 ⏩ 🥕.
+
+👆 🧍 ⏸ ⏪ 📚 (➡️ 💬 8️⃣) 🏧 👈 🎏 🕰 🍳 ✊ ✔ ⚪️➡️ 👫👫 🚪 👆.
+
+👱 ⏭ 👆 ⌛ 👫 🍔 🔜 ⏭ 🍂 ⏲ ↩️ 🔠 8️⃣ 🏧 🚶 & 🏗 🍔 ▶️️ ↖️ ⏭ 💆♂ ⏭ ✔.
+
+<img src="/img/async/parallel-burgers/parallel-burgers-01.png" class="illustration">
+
+⤴️ ⚫️ 😒 👆 🔄, 👆 🥉 👆 ✔ 2️⃣ 📶 🎀 🍔 👆 🥰 & 👆.
+
+👆 💸 👶.
+
+<img src="/img/async/parallel-burgers/parallel-burgers-02.png" class="illustration">
+
+🏧 🚶 👨🍳.
+
+👆 ⌛, 🧍 🚪 ⏲ 👶, 👈 🙅♂ 1️⃣ 🙆 ✊ 👆 🍔 ⏭ 👆, 📤 🙅♂ 🔢 🔄.
+
+<img src="/img/async/parallel-burgers/parallel-burgers-03.png" class="illustration">
+
+👆 & 👆 🥰 😩 🚫 ➡️ 🙆 🤚 🚪 👆 & ✊ 👆 🍔 🕐❔ 👫 🛬, 👆 🚫🔜 💸 🙋 👆 🥰. 👶
+
+👉 "🔁" 👷, 👆 "🔁" ⏮️ 🏧/🍳 👶 👶. 👆 ✔️ ⌛ 👶 & 📤 ☑ 🙍 👈 🏧/🍳 👶 👶 🏁 🍔 & 🤝 👫 👆, ⚖️ ⏪, 👱 🙆 💪 ✊ 👫.
+
+<img src="/img/async/parallel-burgers/parallel-burgers-04.png" class="illustration">
+
+⤴️ 👆 🏧/🍳 👶 👶 😒 👟 🔙 ⏮️ 👆 🍔, ⏮️ 📏 🕰 ⌛ 👶 📤 🚪 ⏲.
+
+<img src="/img/async/parallel-burgers/parallel-burgers-05.png" class="illustration">
+
+👆 ✊ 👆 🍔 & 🚶 🏓 ⏮️ 👆 🥰.
+
+👆 🍴 👫, & 👆 🔨. ⏹
+
+<img src="/img/async/parallel-burgers/parallel-burgers-06.png" class="illustration">
+
+📤 🚫 🌅 💬 ⚖️ 😏 🌅 🕰 💸 ⌛ 👶 🚪 ⏲. 👶
+
+!!! info
+ 🌹 🖼 <a href="https://www.instagram.com/ketrinadrawsalot" class="external-link" target="_blank">👯 🍏</a>. 👶
+
+---
+
+👉 😐 🔗 🍔, 👆 💻 / 📋 👶 ⏮️ 2️⃣ 🕹 (👆 & 👆 🥰), 👯♂️ ⌛ 👶 & 💡 👫 🙋 👶 "⌛ 🔛 ⏲" 👶 📏 🕰.
+
+⏩ 🥕 🏪 ✔️ 8️⃣ 🕹 (🏧/🍳). ⏪ 🛠️ 🍔 🏪 💪 ✔️ ✔️ 🕴 2️⃣ (1️⃣ 🏧 & 1️⃣ 🍳).
+
+✋️, 🏁 💡 🚫 🏆. 👶
+
+---
+
+👉 🔜 🔗 🌓 📖 🍔. 👶
+
+🌅 "🎰 👨❤👨" 🖼 👉, 🌈 🏦.
+
+🆙 ⏳, 🏆 🏦 ✔️ 💗 🏧 👶 👶 👶 👶 👶 👶 👶 👶 & 🦏 ⏸ 👶 👶 👶 👶 👶 👶 👶 👶.
+
+🌐 🏧 🔨 🌐 👷 ⏮️ 1️⃣ 👩💻 ⏮️ 🎏 👶 👶 👶.
+
+& 👆 ✔️ ⌛ 👶 ⏸ 📏 🕰 ⚖️ 👆 💸 👆 🔄.
+
+👆 🎲 🚫🔜 💚 ✊ 👆 🥰 👶 ⏮️ 👆 👷 🏦 👶.
+
+### 🍔 🏁
+
+👉 😐 "⏩ 🥕 🍔 ⏮️ 👆 🥰", 📤 📚 ⌛ 👶, ⚫️ ⚒ 📚 🌅 🔑 ✔️ 🛠️ ⚙️ ⏸ 👶 👶.
+
+👉 💼 🌅 🕸 🈸.
+
+📚, 📚 👩💻, ✋️ 👆 💽 ⌛ 👶 👫 🚫--👍 🔗 📨 👫 📨.
+
+& ⤴️ ⌛ 👶 🔄 📨 👟 🔙.
+
+👉 "⌛" 👶 ⚖ ⏲, ✋️, ⚖ ⚫️ 🌐, ⚫️ 📚 ⌛ 🔚.
+
+👈 ⚫️❔ ⚫️ ⚒ 📚 🔑 ⚙️ 🔁 ⏸ 👶 👶 📟 🕸 🔗.
+
+👉 😇 🔀 ⚫️❔ ⚒ ✳ 🌟 (✋️ ✳ 🚫 🔗) & 👈 💪 🚶 🛠️ 🇪🇸.
+
+& 👈 🎏 🎚 🎭 👆 🤚 ⏮️ **FastAPI**.
+
+& 👆 💪 ✔️ 🔁 & 🔀 🎏 🕰, 👆 🤚 ↕ 🎭 🌘 🌅 💯 ✳ 🛠️ & 🔛 🇷🇪 ⏮️ 🚶, ❔ ✍ 🇪🇸 🔐 🅱 <a href="https://www.techempower.com/benchmarks/#section=data-r17&hw=ph&test=query&l=zijmkf-1" class="external-link" target="_blank">(🌐 👏 💃)</a>.
+
+### 🛠️ 👍 🌘 🔁 ❓
+
+😆 ❗ 👈 🚫 🛐 📖.
+
+🛠️ 🎏 🌘 🔁. & ⚫️ 👻 🔛 **🎯** 😐 👈 🔌 📚 ⌛. ↩️ 👈, ⚫️ 🛎 📚 👍 🌘 🔁 🕸 🈸 🛠️. ✋️ 🚫 🌐.
+
+, ⚖ 👈 👅, 🌈 📄 📏 📖:
+
+> 👆 ✔️ 🧹 🦏, 💩 🏠.
+
+*😆, 👈 🎂 📖*.
+
+---
+
+📤 🙅♂ ⌛ 👶 🙆, 📚 👷 🔨, 🔛 💗 🥉 🏠.
+
+👆 💪 ✔️ 🔄 🍔 🖼, 🥇 🏠 🧖♂, ⤴️ 👨🍳, ✋️ 👆 🚫 ⌛ 👶 🕳, 🧹 & 🧹, 🔄 🚫🔜 📉 🕳.
+
+⚫️ 🔜 ✊ 🎏 💸 🕰 🏁 ⏮️ ⚖️ 🍵 🔄 (🛠️) & 👆 🔜 ✔️ ⌛ 🎏 💸 👷.
+
+✋️ 👉 💼, 🚥 👆 💪 ✊️ 8️⃣ 👰-🏧/🍳/🔜-🧹, & 🔠 1️⃣ 👫 (➕ 👆) 💪 ✊ 🏒 🏠 🧹 ⚫️, 👆 💪 🌐 👷 **🔗**, ⏮️ ➕ ℹ, & 🏁 🌅 🔜.
+
+👉 😐, 🔠 1️⃣ 🧹 (🔌 👆) 🔜 🕹, 🤸 👫 🍕 👨🏭.
+
+& 🏆 🛠️ 🕰 ✊ ☑ 👷 (↩️ ⌛), & 👷 💻 ⌛ <abbr title="Central Processing Unit">💽</abbr>, 👫 🤙 👫 ⚠ "💽 🎁".
+
+---
+
+⚠ 🖼 💽 🔗 🛠️ 👜 👈 🚚 🏗 🧪 🏭.
+
+🖼:
+
+* **🎧** ⚖️ **🖼 🏭**.
+* **💻 👓**: 🖼 ✍ 💯 🔅, 🔠 🔅 ✔️ 3️⃣ 💲 / 🎨, 🏭 👈 🛎 🚚 💻 🕳 🔛 📚 🔅, 🌐 🎏 🕰.
+* **🎰 🏫**: ⚫️ 🛎 🚚 📚 "✖" & "🖼" ✖. 💭 🦏 📋 ⏮️ 🔢 & ✖ 🌐 👫 👯♂️ 🎏 🕰.
+* **⏬ 🏫**: 👉 🎧-🏑 🎰 🏫,, 🎏 ✔. ⚫️ 👈 📤 🚫 👁 📋 🔢 ✖, ✋️ 🦏 ⚒ 👫, & 📚 💼, 👆 ⚙️ 🎁 🕹 🏗 & / ⚖️ ⚙️ 👈 🏷.
+
+### 🛠️ ➕ 🔁: 🕸 ➕ 🎰 🏫
+
+⏮️ **FastAPI** 👆 💪 ✊ 📈 🛠️ 👈 📶 ⚠ 🕸 🛠️ (🎏 👑 🧲 ✳).
+
+✋️ 👆 💪 🐄 💰 🔁 & 💾 (✔️ 💗 🛠️ 🏃♂ 🔗) **💽 🎁** ⚖ 💖 👈 🎰 🏫 ⚙️.
+
+👈, ➕ 🙅 👐 👈 🐍 👑 🇪🇸 **💽 🧪**, 🎰 🏫 & ✴️ ⏬ 🏫, ⚒ FastAPI 📶 👍 🏏 💽 🧪 / 🎰 🏫 🕸 🔗 & 🈸 (👪 📚 🎏).
+
+👀 ❔ 🏆 👉 🔁 🏭 👀 📄 🔃 [🛠️](deployment/index.md){.internal-link target=_blank}.
+
+## `async` & `await`
+
+🏛 ⏬ 🐍 ✔️ 📶 🏋️ 🌌 🔬 🔁 📟. 👉 ⚒ ⚫️ 👀 💖 😐 "🔁" 📟 & "⌛" 👆 ▶️️ 🙍.
+
+🕐❔ 📤 🛠️ 👈 🔜 🚚 ⌛ ⏭ 🤝 🏁 & ✔️ 🐕🦺 👉 🆕 🐍 ⚒, 👆 💪 📟 ⚫️ 💖:
+
+```Python
+burgers = await get_burgers(2)
+```
+
+🔑 📥 `await`. ⚫️ 💬 🐍 👈 ⚫️ ✔️ ⌛ ⏸ `get_burgers(2)` 🏁 🔨 🚮 👜 👶 ⏭ ♻ 🏁 `burgers`. ⏮️ 👈, 🐍 🔜 💭 👈 ⚫️ 💪 🚶 & 🕳 🙆 👶 👶 👐 (💖 📨 ➕1️⃣ 📨).
+
+`await` 👷, ⚫️ ✔️ 🔘 🔢 👈 🐕🦺 👉 🔀. 👈, 👆 📣 ⚫️ ⏮️ `async def`:
+
+```Python hl_lines="1"
+async def get_burgers(number: int):
+ # Do some asynchronous stuff to create the burgers
+ return burgers
+```
+
+...↩️ `def`:
+
+```Python hl_lines="2"
+# This is not asynchronous
+def get_sequential_burgers(number: int):
+ # Do some sequential stuff to create the burgers
+ return burgers
+```
+
+⏮️ `async def`, 🐍 💭 👈, 🔘 👈 🔢, ⚫️ ✔️ 🤔 `await` 🧬, & 👈 ⚫️ 💪 "⏸" ⏸ 🛠️ 👈 🔢 & 🚶 🕳 🙆 👶 ⏭ 👟 🔙.
+
+🕐❔ 👆 💚 🤙 `async def` 🔢, 👆 ✔️ "⌛" ⚫️. , 👉 🏆 🚫 👷:
+
+```Python
+# This won't work, because get_burgers was defined with: async def
+burgers = get_burgers(2)
+```
+
+---
+
+, 🚥 👆 ⚙️ 🗃 👈 💬 👆 👈 👆 💪 🤙 ⚫️ ⏮️ `await`, 👆 💪 ✍ *➡ 🛠️ 🔢* 👈 ⚙️ ⚫️ ⏮️ `async def`, 💖:
+
+```Python hl_lines="2-3"
+@app.get('/burgers')
+async def read_burgers():
+ burgers = await get_burgers(2)
+ return burgers
+```
+
+### 🌅 📡 ℹ
+
+👆 💪 ✔️ 👀 👈 `await` 💪 🕴 ⚙️ 🔘 🔢 🔬 ⏮️ `async def`.
+
+✋️ 🎏 🕰, 🔢 🔬 ⏮️ `async def` ✔️ "⌛". , 🔢 ⏮️ `async def` 💪 🕴 🤙 🔘 🔢 🔬 ⏮️ `async def` 💁♂️.
+
+, 🔃 🥚 & 🐔, ❔ 👆 🤙 🥇 `async` 🔢 ❓
+
+🚥 👆 👷 ⏮️ **FastAPI** 👆 🚫 ✔️ 😟 🔃 👈, ↩️ 👈 "🥇" 🔢 🔜 👆 *➡ 🛠️ 🔢*, & FastAPI 🔜 💭 ❔ ▶️️ 👜.
+
+✋️ 🚥 👆 💚 ⚙️ `async` / `await` 🍵 FastAPI, 👆 💪 ⚫️ 👍.
+
+### ✍ 👆 👍 🔁 📟
+
+💃 (& **FastAPI**) ⚓️ 🔛 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>, ❔ ⚒ ⚫️ 🔗 ⏮️ 👯♂️ 🐍 🐩 🗃 <a href="https://docs.python.org/3/library/asyncio-task.html" class="external-link" target="_blank">✳</a> & <a href="https://trio.readthedocs.io/en/stable/" class="external-link" target="_blank">🎻</a>.
+
+🎯, 👆 💪 🔗 ⚙️ <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a> 👆 🏧 🛠️ ⚙️ 💼 👈 🚚 🌅 🏧 ⚓ 👆 👍 📟.
+
+& 🚥 👆 🚫 ⚙️ FastAPI, 👆 💪 ✍ 👆 👍 🔁 🈸 ⏮️ <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a> 🏆 🔗 & 🤚 🚮 💰 (✅ *📊 🛠️*).
+
+### 🎏 📨 🔁 📟
+
+👉 👗 ⚙️ `async` & `await` 📶 🆕 🇪🇸.
+
+✋️ ⚫️ ⚒ 👷 ⏮️ 🔁 📟 📚 ⏩.
+
+👉 🎏 ❕ (⚖️ 🌖 🌓) 🔌 ⏳ 🏛 ⏬ 🕸 (🖥 & ✳).
+
+✋️ ⏭ 👈, 🚚 🔁 📟 🌖 🏗 & ⚠.
+
+⏮️ ⏬ 🐍, 👆 💪 ✔️ ⚙️ 🧵 ⚖️ <a href="https://www.gevent.org/" class="external-link" target="_blank">🐁</a>. ✋️ 📟 🌌 🌖 🏗 🤔, ℹ, & 💭 🔃.
+
+⏮️ ⏬ ✳ / 🖥 🕸, 👆 🔜 ✔️ ⚙️ "⏲". ❔ ↘️ <a href="http://callbackhell.com/" class="external-link" target="_blank">⏲ 🔥😈</a>.
+
+## 🔁
+
+**🔁** 📶 🎀 ⚖ 👜 📨 `async def` 🔢. 🐍 💭 👈 ⚫️ 🕳 💖 🔢 👈 ⚫️ 💪 ▶️ & 👈 ⚫️ 🔜 🔚 ☝, ✋️ 👈 ⚫️ 5️⃣📆 ⏸ ⏸ 🔘 💁♂️, 🕐❔ 📤 `await` 🔘 ⚫️.
+
+✋️ 🌐 👉 🛠️ ⚙️ 🔁 📟 ⏮️ `async` & `await` 📚 🕰 🔬 ⚙️ "🔁". ⚫️ ⭐ 👑 🔑 ⚒ 🚶, "🔁".
+
+## 🏁
+
+➡️ 👀 🎏 🔤 ⚪️➡️ 🔛:
+
+> 🏛 ⏬ 🐍 ✔️ 🐕🦺 **"🔁 📟"** ⚙️ 🕳 🤙 **"🔁"**, ⏮️ **`async` & `await`** ❕.
+
+👈 🔜 ⚒ 🌅 🔑 🔜. 👶
+
+🌐 👈 ⚫️❔ 🏋️ FastAPI (🔘 💃) & ⚫️❔ ⚒ ⚫️ ✔️ ✅ 🎆 🎭.
+
+## 📶 📡 ℹ
+
+!!! warning
+ 👆 💪 🎲 🚶 👉.
+
+ 👉 📶 📡 ℹ ❔ **FastAPI** 👷 🔘.
+
+ 🚥 👆 ✔️ 📡 💡 (🈶-🏋, 🧵, 🍫, ♒️.) & 😟 🔃 ❔ FastAPI 🍵 `async def` 🆚 😐 `def`, 🚶 ⤴️.
+
+### ➡ 🛠️ 🔢
+
+🕐❔ 👆 📣 *➡ 🛠️ 🔢* ⏮️ 😐 `def` ↩️ `async def`, ⚫️ 🏃 🔢 🧵 👈 ⤴️ ⌛, ↩️ ➖ 🤙 🔗 (⚫️ 🔜 🍫 💽).
+
+🚥 👆 👟 ⚪️➡️ ➕1️⃣ 🔁 🛠️ 👈 🔨 🚫 👷 🌌 🔬 🔛 & 👆 ⚙️ ⚖ 🙃 📊-🕴 *➡ 🛠️ 🔢* ⏮️ ✅ `def` 🤪 🎭 📈 (🔃 1️⃣0️⃣0️⃣ 💓), 🙏 🗒 👈 **FastAPI** ⭐ 🔜 🔄. 👫 💼, ⚫️ 👻 ⚙️ `async def` 🚥 👆 *➡ 🛠️ 🔢* ⚙️ 📟 👈 🎭 🚧 <abbr title="Input/Output: disk reading or writing, network communications.">👤/🅾</abbr>.
+
+, 👯♂️ ⚠, 🤞 👈 **FastAPI** 🔜 [⏩](/#performance){.internal-link target=_blank} 🌘 (⚖️ 🌘 ⭐) 👆 ⏮️ 🛠️.
+
+### 🔗
+
+🎏 ✔ [🔗](/tutorial/dependencies/index.md){.internal-link target=_blank}. 🚥 🔗 🐩 `def` 🔢 ↩️ `async def`, ⚫️ 🏃 🔢 🧵.
+
+### 🎧-🔗
+
+👆 💪 ✔️ 💗 🔗 & [🎧-🔗](/tutorial/dependencies/sub-dependencies.md){.internal-link target=_blank} 🚫 🔠 🎏 (🔢 🔢 🔑), 👫 💪 ✍ ⏮️ `async def` & ⏮️ 😐 `def`. ⚫️ 🔜 👷, & 🕐 ✍ ⏮️ 😐 `def` 🔜 🤙 🔛 🔢 🧵 (⚪️➡️ 🧵) ↩️ ➖ "⌛".
+
+### 🎏 🚙 🔢
+
+🙆 🎏 🚙 🔢 👈 👆 🤙 🔗 💪 ✍ ⏮️ 😐 `def` ⚖️ `async def` & FastAPI 🏆 🚫 📉 🌌 👆 🤙 ⚫️.
+
+👉 🔅 🔢 👈 FastAPI 🤙 👆: *➡ 🛠️ 🔢* & 🔗.
+
+🚥 👆 🚙 🔢 😐 🔢 ⏮️ `def`, ⚫️ 🔜 🤙 🔗 (👆 ✍ ⚫️ 👆 📟), 🚫 🧵, 🚥 🔢 ✍ ⏮️ `async def` ⤴️ 👆 🔜 `await` 👈 🔢 🕐❔ 👆 🤙 ⚫️ 👆 📟.
+
+---
+
+🔄, 👉 📶 📡 ℹ 👈 🔜 🎲 ⚠ 🚥 👆 👟 🔎 👫.
+
+⏪, 👆 🔜 👍 ⏮️ 📄 ⚪️➡️ 📄 🔛: <a href="#in-a-hurry">🏃 ❓</a>.
--- /dev/null
+# 📇
+
+🔬 🇸🇲 📇 🎦 **FastAPI** 🈸 🏃♂ 🔽 Uvicorn <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">1️⃣ ⏩ 🐍 🛠️ 💪</a>, 🕴 🔛 💃 & Uvicorn 👫 (⚙️ 🔘 FastAPI). (*)
+
+✋️ 🕐❔ ✅ 📇 & 🔺 👆 🔜 ✔️ 📄 🤯.
+
+## 📇 & 🚅
+
+🕐❔ 👆 ✅ 📇, ⚫️ ⚠ 👀 📚 🧰 🎏 🆎 🔬 🌓.
+
+🎯, 👀 Uvicorn, 💃 & FastAPI 🔬 👯♂️ (👪 📚 🎏 🧰).
+
+🙅 ⚠ ❎ 🧰, 👍 🎭 ⚫️ 🔜 🤚. & 🏆 📇 🚫 💯 🌖 ⚒ 🚚 🧰.
+
+🔗 💖:
+
+* **Uvicorn**: 🔫 💽
+ * **💃**: (⚙️ Uvicorn) 🕸 🕸
+ * **FastAPI**: (⚙️ 💃) 🛠️ 🕸 ⏮️ 📚 🌖 ⚒ 🏗 🔗, ⏮️ 💽 🔬, ♒️.
+
+* **Uvicorn**:
+ * 🔜 ✔️ 🏆 🎭, ⚫️ 🚫 ✔️ 🌅 ➕ 📟 ↖️ ⚪️➡️ 💽 ⚫️.
+ * 👆 🚫🔜 ✍ 🈸 Uvicorn 🔗. 👈 🔜 ⛓ 👈 👆 📟 🔜 ✔️ 🔌 🌖 ⚖️ 🌘, 🌘, 🌐 📟 🚚 💃 (⚖️ **FastAPI**). & 🚥 👆 👈, 👆 🏁 🈸 🔜 ✔️ 🎏 🌥 ✔️ ⚙️ 🛠️ & 📉 👆 📱 📟 & 🐛.
+ * 🚥 👆 ⚖ Uvicorn, 🔬 ⚫️ 🛡 👸, Hypercorn, ✳, ♒️. 🈸 💽.
+* **💃**:
+ * 🔜 ✔️ ⏭ 🏆 🎭, ⏮️ Uvicorn. 👐, 💃 ⚙️ Uvicorn 🏃. , ⚫️ 🎲 💪 🕴 🤚 "🐌" 🌘 Uvicorn ✔️ 🛠️ 🌅 📟.
+ * ✋️ ⚫️ 🚚 👆 🧰 🏗 🙅 🕸 🈸, ⏮️ 🕹 ⚓️ 🔛 ➡, ♒️.
+ * 🚥 👆 ⚖ 💃, 🔬 ⚫️ 🛡 🤣, 🏺, ✳, ♒️. 🕸 🛠️ (⚖️ 🕸).
+* **FastAPI**:
+ * 🎏 🌌 👈 💃 ⚙️ Uvicorn & 🚫🔜 ⏩ 🌘 ⚫️, **FastAPI** ⚙️ 💃, ⚫️ 🚫🔜 ⏩ 🌘 ⚫️.
+ * FastAPI 🚚 🌅 ⚒ 🔛 🔝 💃. ⚒ 👈 👆 🌖 🕧 💪 🕐❔ 🏗 🔗, 💖 💽 🔬 & 🛠️. & ⚙️ ⚫️, 👆 🤚 🏧 🧾 🆓 (🏧 🧾 🚫 🚮 🌥 🏃♂ 🈸, ⚫️ 🏗 🔛 🕴).
+ * 🚥 👆 🚫 ⚙️ FastAPI & ⚙️ 💃 🔗 (⚖️ ➕1️⃣ 🧰, 💖 🤣, 🏺, 🆘, ♒️) 👆 🔜 ✔️ 🛠️ 🌐 💽 🔬 & 🛠️ 👆. , 👆 🏁 🈸 🔜 ✔️ 🎏 🌥 🚥 ⚫️ 🏗 ⚙️ FastAPI. & 📚 💼, 👉 💽 🔬 & 🛠️ 🦏 💸 📟 ✍ 🈸.
+ * , ⚙️ FastAPI 👆 ♻ 🛠️ 🕰, 🐛, ⏸ 📟, & 👆 🔜 🎲 🤚 🎏 🎭 (⚖️ 👍) 👆 🔜 🚥 👆 🚫 ⚙️ ⚫️ (👆 🔜 ✔️ 🛠️ ⚫️ 🌐 👆 📟).
+ * 🚥 👆 ⚖ FastAPI, 🔬 ⚫️ 🛡 🕸 🈸 🛠️ (⚖️ ⚒ 🧰) 👈 🚚 💽 🔬, 🛠️ & 🧾, 💖 🏺-apispec, NestJS, ♨, ♒️. 🛠️ ⏮️ 🛠️ 🏧 💽 🔬, 🛠️ & 🧾.
--- /dev/null
+# 🛠️ - 📉
+
+🥇, 👆 💪 💚 👀 🔰 🌌 [ℹ FastAPI & 🤚 ℹ](help-fastapi.md){.internal-link target=_blank}.
+
+## 🛠️
+
+🚥 👆 ⏪ 🖖 🗃 & 👆 💭 👈 👆 💪 ⏬ 🤿 📟, 📥 📄 ⚒ 🆙 👆 🌐.
+
+### 🕹 🌐 ⏮️ `venv`
+
+👆 💪 ✍ 🕹 🌐 📁 ⚙️ 🐍 `venv` 🕹:
+
+<div class="termy">
+
+```console
+$ python -m venv env
+```
+
+</div>
+
+👈 🔜 ✍ 📁 `./env/` ⏮️ 🐍 💱 & ⤴️ 👆 🔜 💪 ❎ 📦 👈 ❎ 🌐.
+
+### 🔓 🌐
+
+🔓 🆕 🌐 ⏮️:
+
+=== "💾, 🇸🇻"
+
+ <div class="termy">
+
+ ```console
+ $ source ./env/bin/activate
+ ```
+
+ </div>
+
+=== "🚪 📋"
+
+ <div class="termy">
+
+ ```console
+ $ .\env\Scripts\Activate.ps1
+ ```
+
+ </div>
+
+=== "🚪 🎉"
+
+ ⚖️ 🚥 👆 ⚙️ 🎉 🖥 (✅ <a href="https://gitforwindows.org/" class="external-link" target="_blank">🐛 🎉</a>):
+
+ <div class="termy">
+
+ ```console
+ $ source ./env/Scripts/activate
+ ```
+
+ </div>
+
+✅ ⚫️ 👷, ⚙️:
+
+=== "💾, 🇸🇻, 🚪 🎉"
+
+ <div class="termy">
+
+ ```console
+ $ which pip
+
+ some/directory/fastapi/env/bin/pip
+ ```
+
+ </div>
+
+=== "🚪 📋"
+
+ <div class="termy">
+
+ ```console
+ $ Get-Command pip
+
+ some/directory/fastapi/env/bin/pip
+ ```
+
+ </div>
+
+🚥 ⚫️ 🎦 `pip` 💱 `env/bin/pip` ⤴️ ⚫️ 👷. 👶
+
+⚒ 💭 👆 ✔️ 📰 🐖 ⏬ 🔛 👆 🕹 🌐 ❎ ❌ 🔛 ⏭ 📶:
+
+<div class="termy">
+
+```console
+$ python -m pip install --upgrade pip
+
+---> 100%
+```
+
+</div>
+
+!!! tip
+ 🔠 🕰 👆 ❎ 🆕 📦 ⏮️ `pip` 🔽 👈 🌐, 🔓 🌐 🔄.
+
+ 👉 ⚒ 💭 👈 🚥 👆 ⚙️ 📶 📋 ❎ 👈 📦, 👆 ⚙️ 1️⃣ ⚪️➡️ 👆 🇧🇿 🌐 & 🚫 🙆 🎏 👈 💪 ❎ 🌐.
+
+### 🐖
+
+⏮️ 🔓 🌐 🔬 🔛:
+
+<div class="termy">
+
+```console
+$ pip install -e ."[dev,doc,test]"
+
+---> 100%
+```
+
+</div>
+
+⚫️ 🔜 ❎ 🌐 🔗 & 👆 🇧🇿 FastAPI 👆 🇧🇿 🌐.
+
+#### ⚙️ 👆 🇧🇿 FastAPI
+
+🚥 👆 ✍ 🐍 📁 👈 🗄 & ⚙️ FastAPI, & 🏃 ⚫️ ⏮️ 🐍 ⚪️➡️ 👆 🇧🇿 🌐, ⚫️ 🔜 ⚙️ 👆 🇧🇿 FastAPI ℹ 📟.
+
+& 🚥 👆 ℹ 👈 🇧🇿 FastAPI ℹ 📟, ⚫️ ❎ ⏮️ `-e`, 🕐❔ 👆 🏃 👈 🐍 📁 🔄, ⚫️ 🔜 ⚙️ 🍋 ⏬ FastAPI 👆 ✍.
+
+👈 🌌, 👆 🚫 ✔️ "❎" 👆 🇧🇿 ⏬ 💪 💯 🔠 🔀.
+
+### 📁
+
+📤 ✍ 👈 👆 💪 🏃 👈 🔜 📁 & 🧹 🌐 👆 📟:
+
+<div class="termy">
+
+```console
+$ bash scripts/format.sh
+```
+
+</div>
+
+⚫️ 🔜 🚘-😇 🌐 👆 🗄.
+
+⚫️ 😇 👫 ☑, 👆 💪 ✔️ FastAPI ❎ 🌐 👆 🌐, ⏮️ 📋 📄 🔛 ⚙️ `-e`.
+
+## 🩺
+
+🥇, ⚒ 💭 👆 ⚒ 🆙 👆 🌐 🔬 🔛, 👈 🔜 ❎ 🌐 📄.
+
+🧾 ⚙️ <a href="https://www.mkdocs.org/" class="external-link" target="_blank">⬜</a>.
+
+& 📤 ➕ 🧰/✍ 🥉 🍵 ✍ `./scripts/docs.py`.
+
+!!! tip
+ 👆 🚫 💪 👀 📟 `./scripts/docs.py`, 👆 ⚙️ ⚫️ 📋 ⏸.
+
+🌐 🧾 ✍ 📁 📁 `./docs/en/`.
+
+📚 🔰 ✔️ 🍫 📟.
+
+🌅 💼, 👫 🍫 📟 ☑ 🏁 🈸 👈 💪 🏃.
+
+👐, 👈 🍫 📟 🚫 ✍ 🔘 ✍, 👫 🐍 📁 `./docs_src/` 📁.
+
+& 👈 🐍 📁 🔌/💉 🧾 🕐❔ 🏭 🕸.
+
+### 🩺 💯
+
+🏆 💯 🤙 🏃 🛡 🖼 ℹ 📁 🧾.
+
+👉 ℹ ⚒ 💭 👈:
+
+* 🧾 🆙 📅.
+* 🧾 🖼 💪 🏃.
+* 🌅 ⚒ 📔 🧾, 🚚 💯 💰.
+
+⏮️ 🇧🇿 🛠️, 📤 ✍ 👈 🏗 🕸 & ✅ 🙆 🔀, 🖖-🔫:
+
+<div class="termy">
+
+```console
+$ python ./scripts/docs.py live
+
+<span style="color: green;">[INFO]</span> Serving on http://127.0.0.1:8008
+<span style="color: green;">[INFO]</span> Start watching changes
+<span style="color: green;">[INFO]</span> Start detecting changes
+```
+
+</div>
+
+⚫️ 🔜 🍦 🧾 🔛 `http://127.0.0.1:8008`.
+
+👈 🌌, 👆 💪 ✍ 🧾/ℹ 📁 & 👀 🔀 🖖.
+
+#### 🏎 ✳ (📦)
+
+👩🌾 📥 🎦 👆 ❔ ⚙️ ✍ `./scripts/docs.py` ⏮️ `python` 📋 🔗.
+
+✋️ 👆 💪 ⚙️ <a href="https://typer.tiangolo.com/typer-cli/" class="external-link" target="_blank">🏎 ✳</a>, & 👆 🔜 🤚 ✍ 👆 📶 📋 ⏮️ ❎ 🛠️.
+
+🚥 👆 ❎ 🏎 ✳, 👆 💪 ❎ 🛠️ ⏮️:
+
+<div class="termy">
+
+```console
+$ typer --install-completion
+
+zsh completion installed in /home/user/.bashrc.
+Completion will take effect once you restart the terminal.
+```
+
+</div>
+
+### 📱 & 🩺 🎏 🕰
+
+🚥 👆 🏃 🖼 ⏮️, ✅:
+
+<div class="termy">
+
+```console
+$ uvicorn tutorial001:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+Uvicorn 🔢 🔜 ⚙️ ⛴ `8000`, 🧾 🔛 ⛴ `8008` 🏆 🚫 ⚔.
+
+### ✍
+
+ℹ ⏮️ ✍ 📶 🌅 👍 ❗ & ⚫️ 💪 🚫 🔨 🍵 ℹ ⚪️➡️ 👪. 👶 👶
+
+📥 📶 ℹ ⏮️ ✍.
+
+#### 💁♂ & 📄
+
+* ✅ ⏳ <a href="https://github.com/tiangolo/fastapi/pulls" class="external-link" target="_blank">♻ 🚲 📨</a> 👆 🇪🇸 & 🚮 📄 ✔ 🔀 ⚖️ ✔ 👫.
+
+!!! tip
+ 👆 💪 <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/commenting-on-a-pull-request" class="external-link" target="_blank">🚮 🏤 ⏮️ 🔀 🔑</a> ♻ 🚲 📨.
+
+ ✅ 🩺 🔃 <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-request-reviews" class="external-link" target="_blank">❎ 🚲 📨 📄</a> ✔ ⚫️ ⚖️ 📨 🔀.
+
+* ✅ <a href="https://github.com/tiangolo/fastapi/issues" class="external-link" target="_blank">❔</a> 👀 🚥 📤 1️⃣ 🛠️ ✍ 👆 🇪🇸.
+
+* 🚮 👁 🚲 📨 📍 📃 💬. 👈 🔜 ⚒ ⚫️ 🌅 ⏩ 🎏 📄 ⚫️.
+
+🇪🇸 👤 🚫 💬, 👤 🔜 ⌛ 📚 🎏 📄 ✍ ⏭ 🔗.
+
+* 👆 💪 ✅ 🚥 📤 ✍ 👆 🇪🇸 & 🚮 📄 👫, 👈 🔜 ℹ 👤 💭 👈 ✍ ☑ & 👤 💪 🔗 ⚫️.
+
+* ⚙️ 🎏 🐍 🖼 & 🕴 💬 ✍ 🩺. 👆 🚫 ✔️ 🔀 🕳 👉 👷.
+
+* ⚙️ 🎏 🖼, 📁 📛, & 🔗. 👆 🚫 ✔️ 🔀 🕳 ⚫️ 👷.
+
+* ✅ 2️⃣-🔤 📟 🇪🇸 👆 💚 💬 👆 💪 ⚙️ 🏓 <a href="https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes" class="external-link" target="_blank">📇 💾 6️⃣3️⃣9️⃣-1️⃣ 📟</a>.
+
+#### ♻ 🇪🇸
+
+➡️ 💬 👆 💚 💬 📃 🇪🇸 👈 ⏪ ✔️ ✍ 📃, 💖 🇪🇸.
+
+💼 🇪🇸, 2️⃣-🔤 📟 `es`. , 📁 🇪🇸 ✍ 🔎 `docs/es/`.
+
+!!! tip
+ 👑 ("🛂") 🇪🇸 🇪🇸, 🔎 `docs/en/`.
+
+🔜 🏃 🖖 💽 🩺 🇪🇸:
+
+<div class="termy">
+
+```console
+// Use the command "live" and pass the language code as a CLI argument
+$ python ./scripts/docs.py live es
+
+<span style="color: green;">[INFO]</span> Serving on http://127.0.0.1:8008
+<span style="color: green;">[INFO]</span> Start watching changes
+<span style="color: green;">[INFO]</span> Start detecting changes
+```
+
+</div>
+
+🔜 👆 💪 🚶 <a href="http://127.0.0.1:8008" class="external-link" target="_blank">http://127.0.0.1:8008</a> & 👀 👆 🔀 🖖.
+
+🚥 👆 👀 FastAPI 🩺 🕸, 👆 🔜 👀 👈 🔠 🇪🇸 ✔️ 🌐 📃. ✋️ 📃 🚫 💬 & ✔️ 📨 🔃 ❌ ✍.
+
+✋️ 🕐❔ 👆 🏃 ⚫️ 🌐 💖 👉, 👆 🔜 🕴 👀 📃 👈 ⏪ 💬.
+
+🔜 ➡️ 💬 👈 👆 💚 🚮 ✍ 📄 [⚒](features.md){.internal-link target=_blank}.
+
+* 📁 📁:
+
+```
+docs/en/docs/features.md
+```
+
+* 📋 ⚫️ ⚫️❔ 🎏 🗺 ✋️ 🇪🇸 👆 💚 💬, ✅:
+
+```
+docs/es/docs/features.md
+```
+
+!!! tip
+ 👀 👈 🕴 🔀 ➡ & 📁 📛 🇪🇸 📟, ⚪️➡️ `en` `es`.
+
+* 🔜 📂 ⬜ 📁 📁 🇪🇸:
+
+```
+docs/en/mkdocs.yml
+```
+
+* 🔎 🥉 🌐❔ 👈 `docs/features.md` 🔎 📁 📁. 👱 💖:
+
+```YAML hl_lines="8"
+site_name: FastAPI
+# More stuff
+nav:
+- FastAPI: index.md
+- Languages:
+ - en: /
+ - es: /es/
+- features.md
+```
+
+* 📂 ⬜ 📁 📁 🇪🇸 👆 ✍, ✅:
+
+```
+docs/es/mkdocs.yml
+```
+
+* 🚮 ⚫️ 📤 ☑ 🎏 🗺 ⚫️ 🇪🇸, ✅:
+
+```YAML hl_lines="8"
+site_name: FastAPI
+# More stuff
+nav:
+- FastAPI: index.md
+- Languages:
+ - en: /
+ - es: /es/
+- features.md
+```
+
+⚒ 💭 👈 🚥 📤 🎏 ⛔, 🆕 ⛔ ⏮️ 👆 ✍ ⚫️❔ 🎏 ✔ 🇪🇸 ⏬.
+
+🚥 👆 🚶 👆 🖥 👆 🔜 👀 👈 🔜 🩺 🎦 👆 🆕 📄. 👶
+
+🔜 👆 💪 💬 ⚫️ 🌐 & 👀 ❔ ⚫️ 👀 👆 🖊 📁.
+
+#### 🆕 🇪🇸
+
+➡️ 💬 👈 👆 💚 🚮 ✍ 🇪🇸 👈 🚫 💬, 🚫 📃.
+
+➡️ 💬 👆 💚 🚮 ✍ 🇭🇹, & ⚫️ 🚫 📤 🩺.
+
+✅ 🔗 ⚪️➡️ 🔛, 📟 "🇭🇹" `ht`.
+
+⏭ 🔁 🏃 ✍ 🏗 🆕 ✍ 📁:
+
+<div class="termy">
+
+```console
+// Use the command new-lang, pass the language code as a CLI argument
+$ python ./scripts/docs.py new-lang ht
+
+Successfully initialized: docs/ht
+Updating ht
+Updating en
+```
+
+</div>
+
+🔜 👆 💪 ✅ 👆 📟 👨🎨 ⏳ ✍ 📁 `docs/ht/`.
+
+!!! tip
+ ✍ 🥇 🚲 📨 ⏮️ 👉, ⚒ 🆙 📳 🆕 🇪🇸, ⏭ ❎ ✍.
+
+ 👈 🌌 🎏 💪 ℹ ⏮️ 🎏 📃 ⏪ 👆 👷 🔛 🥇 🕐. 👶
+
+▶️ ✍ 👑 📃, `docs/ht/index.md`.
+
+⤴️ 👆 💪 😣 ⏮️ ⏮️ 👩🌾, "♻ 🇪🇸".
+
+##### 🆕 🇪🇸 🚫 🐕🦺
+
+🚥 🕐❔ 🏃♂ 🖖 💽 ✍ 👆 🤚 ❌ 🔃 🇪🇸 🚫 ➖ 🐕🦺, 🕳 💖:
+
+```
+ raise TemplateNotFound(template)
+jinja2.exceptions.TemplateNotFound: partials/language/xx.html
+```
+
+👈 ⛓ 👈 🎢 🚫 🐕🦺 👈 🇪🇸 (👉 💼, ⏮️ ❌ 2️⃣-🔤 📟 `xx`).
+
+✋️ 🚫 😟, 👆 💪 ⚒ 🎢 🇪🇸 🇪🇸 & ⤴️ 💬 🎚 🩺.
+
+🚥 👆 💪 👈, ✍ `mkdocs.yml` 👆 🆕 🇪🇸, ⚫️ 🔜 ✔️ 🕳 💖:
+
+```YAML hl_lines="5"
+site_name: FastAPI
+# More stuff
+theme:
+ # More stuff
+ language: xx
+```
+
+🔀 👈 🇪🇸 ⚪️➡️ `xx` (⚪️➡️ 👆 🇪🇸 📟) `en`.
+
+⤴️ 👆 💪 ▶️ 🖖 💽 🔄.
+
+#### 🎮 🏁
+
+🕐❔ 👆 ⚙️ ✍ `./scripts/docs.py` ⏮️ `live` 📋 ⚫️ 🕴 🎦 📁 & ✍ 💪 ⏮️ 🇪🇸.
+
+✋️ 🕐 👆 🔨, 👆 💪 💯 ⚫️ 🌐 ⚫️ 🔜 👀 💳.
+
+👈, 🥇 🏗 🌐 🩺:
+
+<div class="termy">
+
+```console
+// Use the command "build-all", this will take a bit
+$ python ./scripts/docs.py build-all
+
+Updating es
+Updating en
+Building docs for: en
+Building docs for: es
+Successfully built docs for: es
+Copying en index.md to README.md
+```
+
+</div>
+
+👈 🏗 🌐 🩺 `./docs_build/` 🔠 🇪🇸. 👉 🔌 ❎ 🙆 📁 ⏮️ ❌ ✍, ⏮️ 🗒 💬 👈 "👉 📁 🚫 ✔️ ✍". ✋️ 👆 🚫 ✔️ 🕳 ⏮️ 👈 📁.
+
+⤴️ ⚫️ 🏗 🌐 👈 🔬 ⬜ 🕸 🔠 🇪🇸, 🌀 👫, & 🏗 🏁 🔢 `./site/`.
+
+⤴️ 👆 💪 🍦 👈 ⏮️ 📋 `serve`:
+
+<div class="termy">
+
+```console
+// Use the command "serve" after running "build-all"
+$ python ./scripts/docs.py serve
+
+Warning: this is a very simple server. For development, use mkdocs serve instead.
+This is here only to preview a site with translations already built.
+Make sure you run the build-all command first.
+Serving at: http://127.0.0.1:8008
+```
+
+</div>
+
+## 💯
+
+📤 ✍ 👈 👆 💪 🏃 🌐 💯 🌐 📟 & 🏗 💰 📄 🕸:
+
+<div class="termy">
+
+```console
+$ bash scripts/test-cov-html.sh
+```
+
+</div>
+
+👉 📋 🏗 📁 `./htmlcov/`, 🚥 👆 📂 📁 `./htmlcov/index.html` 👆 🖥, 👆 💪 🔬 🖥 🇹🇼 📟 👈 📔 💯, & 👀 🚥 📤 🙆 🇹🇼 ❌.
--- /dev/null
+# 🛠️ 🔧
+
+🕐❔ 🛠️ **FastAPI** 🈸, ⚖️ 🤙, 🙆 🆎 🕸 🛠️, 📤 📚 🔧 👈 👆 🎲 💅 🔃, & ⚙️ 👫 👆 💪 🔎 **🏆 ☑** 🌌 **🛠️ 👆 🈸**.
+
+⚠ 🔧:
+
+* 💂♂ - 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* 🧬 (🔢 🛠️ 🏃)
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+👥 🔜 👀 ❔ 👫 🔜 📉 **🛠️**.
+
+🔚, 🏆 🎯 💪 **🍦 👆 🛠️ 👩💻** 🌌 👈 **🔐**, **❎ 📉**, & ⚙️ **📊 ℹ** (🖼 🛰 💽/🕹 🎰) ♻ 💪. 👶
+
+👤 🔜 💬 👆 🍖 🌖 🔃 👫 **🔧** 📥, & 👈 🔜 🤞 🤝 👆 **🤔** 👆 🔜 💪 💭 ❔ 🛠️ 👆 🛠️ 📶 🎏 🌐, 🎲 **🔮** 🕐 👈 🚫 🔀.
+
+🤔 👫 🔧, 👆 🔜 💪 **🔬 & 🔧** 🏆 🌌 🛠️ **👆 👍 🔗**.
+
+⏭ 📃, 👤 🔜 🤝 👆 🌅 **🧱 🍮** 🛠️ FastAPI 🈸.
+
+✋️ 🔜, ➡️ ✅ 👉 ⚠ **⚛ 💭**. 👫 🔧 ✔ 🙆 🎏 🆎 🕸 🛠️. 👶
+
+## 💂♂ - 🇺🇸🔍
+
+[⏮️ 📃 🔃 🇺🇸🔍](./https.md){.internal-link target=_blank} 👥 🇭🇲 🔃 ❔ 🇺🇸🔍 🚚 🔐 👆 🛠️.
+
+👥 👀 👈 🇺🇸🔍 🛎 🚚 🦲 **🔢** 👆 🈸 💽, **🤝 ❎ 🗳**.
+
+& 📤 ✔️ 🕳 🈚 **♻ 🇺🇸🔍 📄**, ⚫️ 💪 🎏 🦲 ⚖️ ⚫️ 💪 🕳 🎏.
+
+### 🖼 🧰 🇺🇸🔍
+
+🧰 👆 💪 ⚙️ 🤝 ❎ 🗳:
+
+* Traefik
+ * 🔁 🍵 📄 🔕 👶
+* 📥
+ * 🔁 🍵 📄 🔕 👶
+* 👌
+ * ⏮️ 🔢 🦲 💖 Certbot 📄 🔕
+* ✳
+ * ⏮️ 🔢 🦲 💖 Certbot 📄 🔕
+* Kubernete ⏮️ 🚧 🕹 💖 👌
+ * ⏮️ 🔢 🦲 💖 🛂-👨💼 📄 🔕
+* 🍵 🔘 ☁ 🐕🦺 🍕 👫 🐕🦺 (✍ 🔛 👶)
+
+➕1️⃣ 🎛 👈 👆 💪 ⚙️ **☁ 🐕🦺** 👈 🔨 🌖 👷 ✅ ⚒ 🆙 🇺🇸🔍. ⚫️ 💪 ✔️ 🚫 ⚖️ 🈚 👆 🌅, ♒️. ✋️ 👈 💼, 👆 🚫🔜 ✔️ ⚒ 🆙 🤝 ❎ 🗳 👆.
+
+👤 🔜 🎦 👆 🧱 🖼 ⏭ 📃.
+
+---
+
+⤴️ ⏭ 🔧 🤔 🌐 🔃 📋 🏃 👆 ☑ 🛠️ (✅ Uvicorn).
+
+## 📋 & 🛠️
+
+👥 🔜 💬 📚 🔃 🏃 "**🛠️**", ⚫️ ⚠ ✔️ ☯ 🔃 ⚫️❔ ⚫️ ⛓, & ⚫️❔ 🔺 ⏮️ 🔤 "**📋**".
+
+### ⚫️❔ 📋
+
+🔤 **📋** 🛎 ⚙️ 🔬 📚 👜:
+
+* **📟** 👈 👆 ✍, **🐍 📁**.
+* **📁** 👈 💪 **🛠️** 🏃♂ ⚙️, 🖼: `python`, `python.exe` ⚖️ `uvicorn`.
+* 🎯 📋 ⏪ ⚫️ **🏃♂** 🔛 🏗 ⚙️, ⚙️ 💽, & ♻ 👜 🔛 💾. 👉 🤙 **🛠️**.
+
+### ⚫️❔ 🛠️
+
+🔤 **🛠️** 🛎 ⚙️ 🌖 🎯 🌌, 🕴 🔗 👜 👈 🏃 🏃♂ ⚙️ (💖 🏁 ☝ 🔛):
+
+* 🎯 📋 ⏪ ⚫️ **🏃♂** 🔛 🏃♂ ⚙️.
+ * 👉 🚫 🔗 📁, 🚫 📟, ⚫️ 🔗 **🎯** 👜 👈 ➖ **🛠️** & 🔄 🏃♂ ⚙️.
+* 🙆 📋, 🙆 📟, **💪 🕴 👜** 🕐❔ ⚫️ ➖ **🛠️**. , 🕐❔ 📤 **🛠️ 🏃**.
+* 🛠️ 💪 **❎** (⚖️ "💥") 👆, ⚖️ 🏃♂ ⚙️. 👈 ☝, ⚫️ ⛔️ 🏃/➖ 🛠️, & ⚫️ 💪 **🙅♂ 📏 👜**.
+* 🔠 🈸 👈 👆 ✔️ 🏃 🔛 👆 💻 ✔️ 🛠️ ⛅ ⚫️, 🔠 🏃♂ 📋, 🔠 🚪, ♒️. & 📤 🛎 📚 🛠️ 🏃 **🎏 🕰** ⏪ 💻 🔛.
+* 📤 💪 **💗 🛠️** **🎏 📋** 🏃 🎏 🕰.
+
+🚥 👆 ✅ 👅 "📋 👨💼" ⚖️ "⚙️ 🖥" (⚖️ 🎏 🧰) 👆 🏃♂ ⚙️, 👆 🔜 💪 👀 📚 👈 🛠️ 🏃♂.
+
+& , 🖼, 👆 🔜 🎲 👀 👈 📤 💗 🛠️ 🏃 🎏 🖥 📋 (🦎, 💄, 📐, ♒️). 👫 🛎 🏃 1️⃣ 🛠️ 📍 📑, ➕ 🎏 ➕ 🛠️.
+
+<img class="shadow" src="/img/deployment/concepts/image01.png">
+
+---
+
+🔜 👈 👥 💭 🔺 🖖 ⚖ **🛠️** & **📋**, ➡️ 😣 💬 🔃 🛠️.
+
+## 🏃♂ 🔛 🕴
+
+🌅 💼, 🕐❔ 👆 ✍ 🕸 🛠️, 👆 💚 ⚫️ **🕧 🏃♂**, ➡, 👈 👆 👩💻 💪 🕧 🔐 ⚫️. 👉 ↗️, 🚥 👆 ✔️ 🎯 🤔 ⚫️❔ 👆 💚 ⚫️ 🏃 🕴 🎯 ⚠, ✋️ 🌅 🕰 👆 💚 ⚫️ 🕧 🏃♂ & **💪**.
+
+### 🛰 💽
+
+🕐❔ 👆 ⚒ 🆙 🛰 💽 (☁ 💽, 🕹 🎰, ♒️.) 🙅 👜 👆 💪 🏃 Uvicorn (⚖️ 🎏) ❎, 🎏 🌌 👆 🕐❔ 🛠️ 🌐.
+
+& ⚫️ 🔜 👷 & 🔜 ⚠ **⏮️ 🛠️**.
+
+✋️ 🚥 👆 🔗 💽 💸, **🏃♂ 🛠️** 🔜 🎲 ☠️.
+
+& 🚥 💽 ⏏ (🖼 ⏮️ ℹ, ⚖️ 🛠️ ⚪️➡️ ☁ 🐕🦺) 👆 🎲 **🏆 🚫 👀 ⚫️**. & ↩️ 👈, 👆 🏆 🚫 💭 👈 👆 ✔️ ⏏ 🛠️ ❎. , 👆 🛠️ 🔜 🚧 ☠️. 👶
+
+### 🏃 🔁 🔛 🕴
+
+🏢, 👆 🔜 🎲 💚 💽 📋 (✅ Uvicorn) ▶️ 🔁 🔛 💽 🕴, & 🍵 💪 🙆 **🗿 🏥**, ✔️ 🛠️ 🕧 🏃 ⏮️ 👆 🛠️ (✅ Uvicorn 🏃♂ 👆 FastAPI 📱).
+
+### 🎏 📋
+
+🏆 👉, 👆 🔜 🛎 ✔️ **🎏 📋** 👈 🔜 ⚒ 💭 👆 🈸 🏃 🔛 🕴. & 📚 💼, ⚫️ 🔜 ⚒ 💭 🎏 🦲 ⚖️ 🈸 🏃, 🖼, 💽.
+
+### 🖼 🧰 🏃 🕴
+
+🖼 🧰 👈 💪 👉 👨🏭:
+
+* ☁
+* Kubernete
+* ☁ ✍
+* ☁ 🐝 📳
+* ✳
+* 👨💻
+* 🍵 🔘 ☁ 🐕🦺 🍕 👫 🐕🦺
+* 🎏...
+
+👤 🔜 🤝 👆 🌅 🧱 🖼 ⏭ 📃.
+
+## ⏏
+
+🎏 ⚒ 💭 👆 🈸 🏃 🔛 🕴, 👆 🎲 💚 ⚒ 💭 ⚫️ **⏏** ⏮️ ❌.
+
+### 👥 ⚒ ❌
+
+👥, 🗿, ⚒ **❌**, 🌐 🕰. 🖥 🌖 *🕧* ✔️ **🐛** 🕵♂ 🎏 🥉. 👶
+
+& 👥 👩💻 🚧 📉 📟 👥 🔎 👈 🐛 & 👥 🛠️ 🆕 ⚒ (🎲 ❎ 🆕 🐛 💁♂️ 👶).
+
+### 🤪 ❌ 🔁 🍵
+
+🕐❔ 🏗 🕸 🔗 ⏮️ FastAPI, 🚥 📤 ❌ 👆 📟, FastAPI 🔜 🛎 🔌 ⚫️ 👁 📨 👈 ⏲ ❌. 🛡
+
+👩💻 🔜 🤚 **5️⃣0️⃣0️⃣ 🔗 💽 ❌** 👈 📨, ✋️ 🈸 🔜 😣 👷 ⏭ 📨 ↩️ 💥 🍕.
+
+### 🦏 ❌ - 💥
+
+👐, 📤 5️⃣📆 💼 🌐❔ 👥 ✍ 📟 👈 **💥 🎂 🈸** ⚒ Uvicorn & 🐍 💥. 👶
+
+& , 👆 🔜 🎲 🚫 💚 🈸 🚧 ☠️ ↩️ 📤 ❌ 1️⃣ 🥉, 👆 🎲 💚 ⚫️ **😣 🏃** 🌘 *➡ 🛠️* 👈 🚫 💔.
+
+### ⏏ ⏮️ 💥
+
+✋️ 👈 💼 ⏮️ 🤙 👎 ❌ 👈 💥 🏃♂ **🛠️**, 👆 🔜 💚 🔢 🦲 👈 🈚 **🔁** 🛠️, 🌘 👩❤👨 🕰...
+
+!!! tip
+ ...👐 🚥 🎂 🈸 **💥 ⏪** ⚫️ 🎲 🚫 ⚒ 🔑 🚧 🔁 ⚫️ ♾. ✋️ 📚 💼, 👆 🔜 🎲 👀 ⚫️ ⏮️ 🛠️, ⚖️ 🌘 ▶️️ ⏮️ 🛠️.
+
+ ➡️ 🎯 🔛 👑 💼, 🌐❔ ⚫️ 💪 💥 🍕 🎯 💼 **🔮**, & ⚫️ ⚒ 🔑 ⏏ ⚫️.
+
+👆 🔜 🎲 💚 ✔️ 👜 🈚 🔁 👆 🈸 **🔢 🦲**, ↩️ 👈 ☝, 🎏 🈸 ⏮️ Uvicorn & 🐍 ⏪ 💥, 📤 🕳 🎏 📟 🎏 📱 👈 💪 🕳 🔃 ⚫️.
+
+### 🖼 🧰 ⏏ 🔁
+
+🏆 💼, 🎏 🧰 👈 ⚙️ **🏃 📋 🔛 🕴** ⚙️ 🍵 🏧 **⏏**.
+
+🖼, 👉 💪 🍵:
+
+* ☁
+* Kubernete
+* ☁ ✍
+* ☁ 🐝 📳
+* ✳
+* 👨💻
+* 🍵 🔘 ☁ 🐕🦺 🍕 👫 🐕🦺
+* 🎏...
+
+## 🧬 - 🛠️ & 💾
+
+⏮️ FastAPI 🈸, ⚙️ 💽 📋 💖 Uvicorn, 🏃♂ ⚫️ 🕐 **1️⃣ 🛠️** 💪 🍦 💗 👩💻 🔁.
+
+✋️ 📚 💼, 👆 🔜 💚 🏃 📚 👨🏭 🛠️ 🎏 🕰.
+
+### 💗 🛠️ - 👨🏭
+
+🚥 👆 ✔️ 🌅 👩💻 🌘 ⚫️❔ 👁 🛠️ 💪 🍵 (🖼 🚥 🕹 🎰 🚫 💁♂️ 🦏) & 👆 ✔️ **💗 🐚** 💽 💽, ⤴️ 👆 💪 ✔️ **💗 🛠️** 🏃♂ ⏮️ 🎏 🈸 🎏 🕰, & 📎 🌐 📨 👪 👫.
+
+🕐❔ 👆 🏃 **💗 🛠️** 🎏 🛠️ 📋, 👫 🛎 🤙 **👨🏭**.
+
+### 👨🏭 🛠️ & ⛴
+
+💭 ⚪️➡️ 🩺 [🔃 🇺🇸🔍](./https.md){.internal-link target=_blank} 👈 🕴 1️⃣ 🛠️ 💪 👂 🔛 1️⃣ 🌀 ⛴ & 📢 📢 💽 ❓
+
+👉 ☑.
+
+, 💪 ✔️ **💗 🛠️** 🎏 🕰, 📤 ✔️ **👁 🛠️ 👂 🔛 ⛴** 👈 ⤴️ 📶 📻 🔠 👨🏭 🛠️ 🌌.
+
+### 💾 📍 🛠️
+
+🔜, 🕐❔ 📋 📐 👜 💾, 🖼, 🎰 🏫 🏷 🔢, ⚖️ 🎚 ⭕ 📁 🔢, 🌐 👈 **🍴 👄 💾 (💾)** 💽.
+
+& 💗 🛠️ 🛎 **🚫 💰 🙆 💾**. 👉 ⛓ 👈 🔠 🏃 🛠️ ✔️ 🚮 👍 👜, 🔢, & 💾. & 🚥 👆 😩 ⭕ 💸 💾 👆 📟, **🔠 🛠️** 🔜 🍴 🌓 💸 💾.
+
+### 💽 💾
+
+🖼, 🚥 👆 📟 📐 🎰 🏫 🏷 ⏮️ **1️⃣ 💾 📐**, 🕐❔ 👆 🏃 1️⃣ 🛠️ ⏮️ 👆 🛠️, ⚫️ 🔜 🍴 🌘 1️⃣ 💾 💾. & 🚥 👆 ▶️ **4️⃣ 🛠️** (4️⃣ 👨🏭), 🔠 🔜 🍴 1️⃣ 💾 💾. 🌐, 👆 🛠️ 🔜 🍴 **4️⃣ 💾 💾**.
+
+& 🚥 👆 🛰 💽 ⚖️ 🕹 🎰 🕴 ✔️ 3️⃣ 💾 💾, 🔄 📐 🌅 🌘 4️⃣ 💾 💾 🔜 🤕 ⚠. 👶
+
+### 💗 🛠️ - 🖼
+
+👉 🖼, 📤 **👨💼 🛠️** 👈 ▶️ & 🎛 2️⃣ **👨🏭 🛠️**.
+
+👉 👨💼 🛠️ 🔜 🎲 1️⃣ 👂 🔛 **⛴** 📢. & ⚫️ 🔜 📶 🌐 📻 👨🏭 🛠️.
+
+👈 👨🏭 🛠️ 🔜 🕐 🏃♂ 👆 🈸, 👫 🔜 🎭 👑 📊 📨 **📨** & 📨 **📨**, & 👫 🔜 📐 🕳 👆 🚮 🔢 💾.
+
+<img src="/img/deployment/concepts/process-ram.svg">
+
+& ↗️, 🎏 🎰 🔜 🎲 ✔️ **🎏 🛠️** 🏃 👍, ↖️ ⚪️➡️ 👆 🈸.
+
+😌 ℹ 👈 🌐 **💽 ⚙️** 🔠 🛠️ 💪 **🪀** 📚 🤭 🕰, ✋️ **💾 (💾)** 🛎 🚧 🌖 ⚖️ 🌘 **⚖**.
+
+🚥 👆 ✔️ 🛠️ 👈 🔨 ⭐ 💸 📊 🔠 🕰 & 👆 ✔️ 📚 👩💻, ⤴️ **💽 🛠️** 🔜 🎲 *⚖* (↩️ 🕧 🔜 🆙 & 🔽 🔜).
+
+### 🖼 🧬 🧰 & 🎛
+
+📤 💪 📚 🎯 🏆 👉, & 👤 🔜 💬 👆 🌅 🔃 🎯 🎛 ⏭ 📃, 🖼 🕐❔ 💬 🔃 ☁ & 📦.
+
+👑 ⚛ 🤔 👈 📤 ✔️ **👁** 🦲 🚚 **⛴** **📢 📢**. & ⤴️ ⚫️ ✔️ ✔️ 🌌 **📶** 📻 🔁 **🛠️/👨🏭**.
+
+📥 💪 🌀 & 🎛:
+
+* **🐁** 🛠️ **Uvicorn 👨🏭**
+ * 🐁 🔜 **🛠️ 👨💼** 👂 🔛 **📢** & **⛴**, 🧬 🔜 ✔️ **💗 Uvicorn 👨🏭 🛠️**
+* **Uvicorn** 🛠️ **Uvicorn 👨🏭**
+ * 1️⃣ Uvicorn **🛠️ 👨💼** 🔜 👂 🔛 **📢** & **⛴**, & ⚫️ 🔜 ▶️ **💗 Uvicorn 👨🏭 🛠️**
+* **Kubernete** & 🎏 📎 **📦 ⚙️**
+ * 🕳 **☁** 🧽 🔜 👂 🔛 **📢** & **⛴**. 🧬 🔜 ✔️ **💗 📦**, 🔠 ⏮️ **1️⃣ Uvicorn 🛠️** 🏃♂
+* **☁ 🐕🦺** 👈 🍵 👉 👆
+ * ☁ 🐕🦺 🔜 🎲 **🍵 🧬 👆**. ⚫️ 🔜 🎲 ➡️ 👆 🔬 **🛠️ 🏃**, ⚖️ **📦 🖼** ⚙️, 🙆 💼, ⚫️ 🔜 🌅 🎲 **👁 Uvicorn 🛠️**, & ☁ 🐕🦺 🔜 🈚 🔁 ⚫️.
+
+!!! tip
+ 🚫 😟 🚥 👫 🏬 🔃 **📦**, ☁, ⚖️ Kubernete 🚫 ⚒ 📚 🔑.
+
+ 👤 🔜 💬 👆 🌅 🔃 📦 🖼, ☁, Kubernete, ♒️. 🔮 📃: [FastAPI 📦 - ☁](./docker.md){.internal-link target=_blank}.
+
+## ⏮️ 🔁 ⏭ ▶️
+
+📤 📚 💼 🌐❔ 👆 💚 🎭 📶 **⏭ ▶️** 👆 🈸.
+
+🖼, 👆 💪 💚 🏃 **💽 🛠️**.
+
+✋️ 🌅 💼, 👆 🔜 💚 🎭 👉 🔁 🕴 **🕐**.
+
+, 👆 🔜 💚 ✔️ **👁 🛠️** 🎭 👈 **⏮️ 🔁**, ⏭ ▶️ 🈸.
+
+& 👆 🔜 ✔️ ⚒ 💭 👈 ⚫️ 👁 🛠️ 🏃 👈 ⏮️ 🔁 ** 🚥 ⏮️, 👆 ▶️ **💗 🛠️** (💗 👨🏭) 🈸 ⚫️. 🚥 👈 🔁 🏃 **💗 🛠️**, 👫 🔜 **❎** 👷 🏃♂ ⚫️ 🔛 **🔗**, & 🚥 📶 🕳 💎 💖 💽 🛠️, 👫 💪 🤕 ⚔ ⏮️ 🔠 🎏.
+
+↗️, 📤 💼 🌐❔ 📤 🙅♂ ⚠ 🏃 ⏮️ 🔁 💗 🕰, 👈 💼, ⚫️ 📚 ⏩ 🍵.
+
+!!! tip
+ , ✔️ 🤯 👈 ⚓️ 🔛 👆 🖥, 💼 👆 **5️⃣📆 🚫 💪 🙆 ⏮️ 🔁** ⏭ ▶️ 👆 🈸.
+
+ 👈 💼, 👆 🚫🔜 ✔️ 😟 🔃 🙆 👉. 🤷
+
+### 🖼 ⏮️ 🔁 🎛
+
+👉 🔜 **🪀 🙇** 🔛 🌌 👆 **🛠️ 👆 ⚙️**, & ⚫️ 🔜 🎲 🔗 🌌 👆 ▶️ 📋, 🚚 ⏏, ♒️.
+
+📥 💪 💭:
+
+* "🕑 📦" Kubernete 👈 🏃 ⏭ 👆 📱 📦
+* 🎉 ✍ 👈 🏃 ⏮️ 🔁 & ⤴️ ▶️ 👆 🈸
+ * 👆 🔜 💪 🌌 ▶️/⏏ *👈* 🎉 ✍, 🔍 ❌, ♒️.
+
+!!! tip
+ 👤 🔜 🤝 👆 🌅 🧱 🖼 🔨 👉 ⏮️ 📦 🔮 📃: [FastAPI 📦 - ☁](./docker.md){.internal-link target=_blank}.
+
+## ℹ 🛠️
+
+👆 💽(Ⓜ) () **ℹ**, 👆 💪 🍴 ⚖️ **⚙️**, ⏮️ 👆 📋, 📊 🕰 🔛 💽, & 💾 💾 💪.
+
+❔ 🌅 ⚙️ ℹ 👆 💚 😩/♻ ❓ ⚫️ 💪 ⏩ 💭 "🚫 🌅", ✋️ 🌌, 👆 🔜 🎲 💚 🍴 **🌅 💪 🍵 💥**.
+
+🚥 👆 💸 3️⃣ 💽 ✋️ 👆 ⚙️ 🕴 🐥 🍖 👫 💾 & 💽, 👆 🎲 **🗑 💸** 👶, & 🎲 **🗑 💽 🔦 🏋️** 👶, ♒️.
+
+👈 💼, ⚫️ 💪 👻 ✔️ 🕴 2️⃣ 💽 & ⚙️ ↕ 🌐 👫 ℹ (💽, 💾, 💾, 🕸 💿, ♒️).
+
+🔛 🎏 ✋, 🚥 👆 ✔️ 2️⃣ 💽 & 👆 ⚙️ **1️⃣0️⃣0️⃣ 💯 👫 💽 & 💾**, ☝ 1️⃣ 🛠️ 🔜 💭 🌅 💾, & 💽 🔜 ✔️ ⚙️ 💾 "💾" (❔ 💪 💯 🕰 🐌), ⚖️ **💥**. ⚖️ 1️⃣ 🛠️ 💪 💪 📊 & 🔜 ✔️ ⌛ ⏭ 💽 🆓 🔄.
+
+👉 💼, ⚫️ 🔜 👍 🤚 **1️⃣ ➕ 💽** & 🏃 🛠️ 🔛 ⚫️ 👈 👫 🌐 ✔️ **🥃 💾 & 💽 🕰**.
+
+📤 🤞 👈 🤔 👆 ✔️ **🌵** ⚙️ 👆 🛠️. 🎲 ⚫️ 🚶 🦠, ⚖️ 🎲 🎏 🐕🦺 ⚖️ 🤖 ▶️ ⚙️ ⚫️. & 👆 💪 💚 ✔️ ➕ ℹ 🔒 👈 💼.
+
+👆 💪 🚮 **❌ 🔢** 🎯, 🖼, 🕳 **🖖 5️⃣0️⃣ 💯 9️⃣0️⃣ 💯** ℹ 🛠️. ☝ 👈 📚 🎲 👑 👜 👆 🔜 💚 ⚖ & ⚙️ ⚒ 👆 🛠️.
+
+👆 💪 ⚙️ 🙅 🧰 💖 `htop` 👀 💽 & 💾 ⚙️ 👆 💽 ⚖️ 💸 ⚙️ 🔠 🛠️. ⚖️ 👆 💪 ⚙️ 🌖 🏗 ⚖ 🧰, ❔ 5️⃣📆 📎 🤭 💽, ♒️.
+
+## 🌃
+
+👆 ✔️ 👂 📥 👑 🔧 👈 👆 🔜 🎲 💪 ✔️ 🤯 🕐❔ 🤔 ❔ 🛠️ 👆 🈸:
+
+* 💂♂ - 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* 🧬 (🔢 🛠️ 🏃)
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+🤔 👉 💭 & ❔ ✔ 👫 🔜 🤝 👆 🤔 💪 ✊ 🙆 🚫 🕐❔ 🛠️ & 🛠️ 👆 🛠️. 👶
+
+⏭ 📄, 👤 🔜 🤝 👆 🌅 🧱 🖼 💪 🎛 👆 💪 ⏩. 👶
--- /dev/null
+# 🛠️ FastAPI 🔛 🪔
+
+👉 📄 👆 🔜 💡 ❔ 💪 🛠️ **FastAPI** 🈸 🔛 <a href="https://www.deta.sh/?ref=fastapi" class="external-link" target="_blank">🪔</a> ⚙️ 🆓 📄. 👶
+
+⚫️ 🔜 ✊ 👆 🔃 **1️⃣0️⃣ ⏲**.
+
+!!! info
+ <a href="https://www.deta.sh/?ref=fastapi" class="external-link" target="_blank">🪔</a> **FastAPI** 💰. 👶
+
+## 🔰 **FastAPI** 📱
+
+* ✍ 📁 👆 📱, 🖼, `./fastapideta/` & ⛔ 🔘 ⚫️.
+
+### FastAPI 📟
+
+* ✍ `main.py` 📁 ⏮️:
+
+```Python
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/")
+def read_root():
+ return {"Hello": "World"}
+
+
+@app.get("/items/{item_id}")
+def read_item(item_id: int):
+ return {"item_id": item_id}
+```
+
+### 📄
+
+🔜, 🎏 📁 ✍ 📁 `requirements.txt` ⏮️:
+
+```text
+fastapi
+```
+
+!!! tip
+ 👆 🚫 💪 ❎ Uvicorn 🛠️ 🔛 🪔, 👐 👆 🔜 🎲 💚 ❎ ⚫️ 🌐 💯 👆 📱.
+
+### 📁 📊
+
+👆 🔜 🔜 ✔️ 1️⃣ 📁 `./fastapideta/` ⏮️ 2️⃣ 📁:
+
+```
+.
+└── main.py
+└── requirements.txt
+```
+
+## ✍ 🆓 🪔 🏧
+
+🔜 ✍ <a href="https://www.deta.sh/?ref=fastapi" class="external-link" target="_blank">🆓 🏧 🔛 🪔</a>, 👆 💪 📧 & 🔐.
+
+👆 🚫 💪 💳.
+
+## ❎ ✳
+
+🕐 👆 ✔️ 👆 🏧, ❎ 🪔 <abbr title="Command Line Interface application">✳</abbr>:
+
+=== "💾, 🇸🇻"
+
+ <div class="termy">
+
+ ```console
+ $ curl -fsSL https://get.deta.dev/cli.sh | sh
+ ```
+
+ </div>
+
+=== "🚪 📋"
+
+ <div class="termy">
+
+ ```console
+ $ iwr https://get.deta.dev/cli.ps1 -useb | iex
+ ```
+
+ </div>
+
+⏮️ ❎ ⚫️, 📂 🆕 📶 👈 ❎ ✳ 🔍.
+
+🆕 📶, ✔ 👈 ⚫️ ☑ ❎ ⏮️:
+
+<div class="termy">
+
+```console
+$ deta --help
+
+Deta command line interface for managing deta micros.
+Complete documentation available at https://docs.deta.sh
+
+Usage:
+ deta [flags]
+ deta [command]
+
+Available Commands:
+ auth Change auth settings for a deta micro
+
+...
+```
+
+</div>
+
+!!! tip
+ 🚥 👆 ✔️ ⚠ ❎ ✳, ✅ <a href="https://docs.deta.sh/docs/micros/getting_started?ref=fastapi" class="external-link" target="_blank">🛂 🪔 🩺</a>.
+
+## 💳 ⏮️ ✳
+
+🔜 💳 🪔 ⚪️➡️ ✳ ⏮️:
+
+<div class="termy">
+
+```console
+$ deta login
+
+Please, log in from the web page. Waiting..
+Logged in successfully.
+```
+
+</div>
+
+👉 🔜 📂 🕸 🖥 & 🔓 🔁.
+
+## 🛠️ ⏮️ 🪔
+
+⏭, 🛠️ 👆 🈸 ⏮️ 🪔 ✳:
+
+<div class="termy">
+
+```console
+$ deta new
+
+Successfully created a new micro
+
+// Notice the "endpoint" 🔍
+
+{
+ "name": "fastapideta",
+ "runtime": "python3.7",
+ "endpoint": "https://qltnci.deta.dev",
+ "visor": "enabled",
+ "http_auth": "enabled"
+}
+
+Adding dependencies...
+
+
+---> 100%
+
+
+Successfully installed fastapi-0.61.1 pydantic-1.7.2 starlette-0.13.6
+```
+
+</div>
+
+👆 🔜 👀 🎻 📧 🎏:
+
+```JSON hl_lines="4"
+{
+ "name": "fastapideta",
+ "runtime": "python3.7",
+ "endpoint": "https://qltnci.deta.dev",
+ "visor": "enabled",
+ "http_auth": "enabled"
+}
+```
+
+!!! tip
+ 👆 🛠️ 🔜 ✔️ 🎏 `"endpoint"` 📛.
+
+## ✅ ⚫️
+
+🔜 📂 👆 🖥 👆 `endpoint` 📛. 🖼 🔛 ⚫️ `https://qltnci.deta.dev`, ✋️ 👆 🔜 🎏.
+
+👆 🔜 👀 🎻 📨 ⚪️➡️ 👆 FastAPI 📱:
+
+```JSON
+{
+ "Hello": "World"
+}
+```
+
+& 🔜 🚶 `/docs` 👆 🛠️, 🖼 🔛 ⚫️ 🔜 `https://qltnci.deta.dev/docs`.
+
+⚫️ 🔜 🎦 👆 🩺 💖:
+
+<img src="/img/deployment/deta/image01.png">
+
+## 🛠️ 📢 🔐
+
+🔢, 🪔 🔜 🍵 🤝 ⚙️ 🍪 👆 🏧.
+
+✋️ 🕐 👆 🔜, 👆 💪 ⚒ ⚫️ 📢 ⏮️:
+
+<div class="termy">
+
+```console
+$ deta auth disable
+
+Successfully disabled http auth
+```
+
+</div>
+
+🔜 👆 💪 💰 👈 📛 ⏮️ 🙆 & 👫 🔜 💪 🔐 👆 🛠️. 👶
+
+## 🇺🇸🔍
+
+㊗ ❗ 👆 🛠️ 👆 FastAPI 📱 🪔 ❗ 👶 👶
+
+, 👀 👈 🪔 ☑ 🍵 🇺🇸🔍 👆, 👆 🚫 ✔️ ✊ 💅 👈 & 💪 💭 👈 👆 👩💻 🔜 ✔️ 🔐 🗜 🔗. 👶 👶
+
+## ✅ 🕶
+
+⚪️➡️ 👆 🩺 🎚 (👫 🔜 📛 💖 `https://qltnci.deta.dev/docs`) 📨 📨 👆 *➡ 🛠️* `/items/{item_id}`.
+
+🖼 ⏮️ 🆔 `5`.
+
+🔜 🚶 <a href="https://web.deta.sh/" class="external-link" target="_blank">https://web.deta.sh</a>.
+
+👆 🔜 👀 📤 📄 ◀️ 🤙 <abbr title="it comes from Micro(server)">"◾"</abbr> ⏮️ 🔠 👆 📱.
+
+👆 🔜 👀 📑 ⏮️ "ℹ", & 📑 "🕶", 🚶 📑 "🕶".
+
+📤 👆 💪 ✔ ⏮️ 📨 📨 👆 📱.
+
+👆 💪 ✍ 👫 & 🏤-🤾 👫.
+
+<img src="/img/deployment/deta/image02.png">
+
+## 💡 🌅
+
+☝, 👆 🔜 🎲 💚 🏪 💽 👆 📱 🌌 👈 😣 🔘 🕰. 👈 👆 💪 ⚙️ <a href="https://docs.deta.sh/docs/base/py_tutorial?ref=fastapi" class="external-link" target="_blank">🪔 🧢</a>, ⚫️ ✔️ 👍 **🆓 🎚**.
+
+👆 💪 ✍ 🌅 <a href="https://docs.deta.sh?ref=fastapi" class="external-link" target="_blank">🪔 🩺</a>.
+
+## 🛠️ 🔧
+
+👟 🔙 🔧 👥 🔬 [🛠️ 🔧](./concepts.md){.internal-link target=_blank}, 📥 ❔ 🔠 👫 🔜 🍵 ⏮️ 🪔:
+
+* **🇺🇸🔍**: 🍵 🪔, 👫 🔜 🤝 👆 📁 & 🍵 🇺🇸🔍 🔁.
+* **🏃♂ 🔛 🕴**: 🍵 🪔, 🍕 👫 🐕🦺.
+* **⏏**: 🍵 🪔, 🍕 👫 🐕🦺.
+* **🧬**: 🍵 🪔, 🍕 👫 🐕🦺.
+* **💾**: 📉 🔁 🪔, 👆 💪 📧 👫 📈 ⚫️.
+* **⏮️ 🔁 ⏭ ▶️**: 🚫 🔗 🐕🦺, 👆 💪 ⚒ ⚫️ 👷 ⏮️ 👫 💾 ⚙️ ⚖️ 🌖 ✍.
+
+!!! note
+ 🪔 🔧 ⚒ ⚫️ ⏩ (& 🆓) 🛠️ 🙅 🈸 🔜.
+
+ ⚫️ 💪 📉 📚 ⚙️ 💼, ✋️ 🎏 🕰, ⚫️ 🚫 🐕🦺 🎏, 💖 ⚙️ 🔢 💽 (↖️ ⚪️➡️ 🪔 👍 ☁ 💽 ⚙️), 🛃 🕹 🎰, ♒️.
+
+ 👆 💪 ✍ 🌅 ℹ <a href="https://docs.deta.sh/docs/micros/about/" class="external-link" target="_blank">🪔 🩺</a> 👀 🚥 ⚫️ ▶️️ ⚒ 👆.
--- /dev/null
+# FastAPI 📦 - ☁
+
+🕐❔ 🛠️ FastAPI 🈸 ⚠ 🎯 🏗 **💾 📦 🖼**. ⚫️ 🛎 🔨 ⚙️ <a href="https://www.docker.com/" class="external-link" target="_blank">**☁**</a>. 👆 💪 ⤴️ 🛠️ 👈 📦 🖼 1️⃣ 👩❤👨 💪 🌌.
+
+⚙️ 💾 📦 ✔️ 📚 📈 ✅ **💂♂**, **🔬**, **🦁**, & 🎏.
+
+!!! tip
+ 🏃 & ⏪ 💭 👉 💩 ❓ 🦘 [`Dockerfile` 🔛 👶](#build-a-docker-image-for-fastapi).
+
+<details>
+<summary>📁 🎮 👶</summary>
+
+```Dockerfile
+FROM python:3.9
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+COPY ./app /code/app
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]
+
+# If running behind a proxy like Nginx or Traefik add --proxy-headers
+# CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80", "--proxy-headers"]
+```
+
+</details>
+
+## ⚫️❔ 📦
+
+📦 (✴️ 💾 📦) 📶 **💿** 🌌 📦 🈸 ✅ 🌐 👫 🔗 & 💪 📁 ⏪ 🚧 👫 ❎ ⚪️➡️ 🎏 📦 (🎏 🈸 ⚖️ 🦲) 🎏 ⚙️.
+
+💾 📦 🏃 ⚙️ 🎏 💾 💾 🦠 (🎰, 🕹 🎰, ☁ 💽, ♒️). 👉 ⛓ 👈 👫 📶 💿 (🔬 🌕 🕹 🎰 👍 🎂 🏃♂ ⚙️).
+
+👉 🌌, 📦 🍴 **🐥 ℹ**, 💸 ⭐ 🏃♂ 🛠️ 🔗 (🕹 🎰 🔜 🍴 🌅 🌅).
+
+📦 ✔️ 👫 👍 **❎** 🏃♂ 🛠️ (🛎 1️⃣ 🛠️), 📁 ⚙️, & 🕸, 🔬 🛠️, 💂♂, 🛠️, ♒️.
+
+## ⚫️❔ 📦 🖼
+
+**📦** 🏃 ⚪️➡️ **📦 🖼**.
+
+📦 🖼 **🎻** ⏬ 🌐 📁, 🌐 🔢, & 🔢 📋/📋 👈 🔜 🎁 📦. **🎻** 📥 ⛓ 👈 📦 **🖼** 🚫 🏃, ⚫️ 🚫 ➖ 🛠️, ⚫️ 🕴 📦 📁 & 🗃.
+
+🔅 "**📦 🖼**" 👈 🏪 🎻 🎚,"**📦**" 🛎 🔗 🏃♂ 👐, 👜 👈 ➖ **🛠️**.
+
+🕐❔ **📦** ▶️ & 🏃♂ (▶️ ⚪️➡️ **📦 🖼**) ⚫️ 💪 ✍ ⚖️ 🔀 📁, 🌐 🔢, ♒️. 👈 🔀 🔜 🔀 🕴 👈 📦, ✋️ 🔜 🚫 😣 👽 📦 🖼 (🔜 🚫 🖊 💾).
+
+📦 🖼 ⭐ **📋** 📁 & 🎚, ✅ `python` & 📁 `main.py`.
+
+& **📦** ⚫️ (🔅 **📦 🖼**) ☑ 🏃 👐 🖼, ⭐ **🛠️**. 👐, 📦 🏃 🕴 🕐❔ ⚫️ ✔️ **🛠️ 🏃** (& 🛎 ⚫️ 🕴 👁 🛠️). 📦 ⛔️ 🕐❔ 📤 🙅♂ 🛠️ 🏃 ⚫️.
+
+## 📦 🖼
+
+☁ ✔️ 1️⃣ 👑 🧰 ✍ & 🛠️ **📦 🖼** & **📦**.
+
+& 📤 📢 <a href="https://hub.docker.com/" class="external-link" target="_blank">☁ 🎡</a> ⏮️ 🏤-⚒ **🛂 📦 🖼** 📚 🧰, 🌐, 💽, & 🈸.
+
+🖼, 📤 🛂 <a href="https://hub.docker.com/_/python" class="external-link" target="_blank">🐍 🖼</a>.
+
+& 📤 📚 🎏 🖼 🎏 👜 💖 💽, 🖼:
+
+* <a href="https://hub.docker.com/_/postgres" class="external-link" target="_blank">✳</a>
+* <a href="https://hub.docker.com/_/mysql" class="external-link" target="_blank">✳</a>
+* <a href="https://hub.docker.com/_/mongo" class="external-link" target="_blank">✳</a>
+* <a href="https://hub.docker.com/_/redis" class="external-link" target="_blank">✳</a>, ♒️.
+
+⚙️ 🏤-⚒ 📦 🖼 ⚫️ 📶 ⏩ **🌀** & ⚙️ 🎏 🧰. 🖼, 🔄 👅 🆕 💽. 🌅 💼, 👆 💪 ⚙️ **🛂 🖼**, & 🔗 👫 ⏮️ 🌐 🔢.
+
+👈 🌌, 📚 💼 👆 💪 💡 🔃 📦 & ☁ & 🏤-⚙️ 👈 💡 ⏮️ 📚 🎏 🧰 & 🦲.
+
+, 👆 🔜 🏃 **💗 📦** ⏮️ 🎏 👜, 💖 💽, 🐍 🈸, 🕸 💽 ⏮️ 😥 🕸 🈸, & 🔗 👫 👯♂️ 📨 👫 🔗 🕸.
+
+🌐 📦 🧾 ⚙️ (💖 ☁ ⚖️ Kubernete) ✔️ 👫 🕸 ⚒ 🛠️ 🔘 👫.
+
+## 📦 & 🛠️
+
+**📦 🖼** 🛎 🔌 🚮 🗃 🔢 📋 ⚖️ 📋 👈 🔜 🏃 🕐❔ **📦** ▶️ & 🔢 🚶♀️ 👈 📋. 📶 🎏 ⚫️❔ 🔜 🚥 ⚫️ 📋 ⏸.
+
+🕐❔ **📦** ▶️, ⚫️ 🔜 🏃 👈 📋/📋 (👐 👆 💪 🔐 ⚫️ & ⚒ ⚫️ 🏃 🎏 📋/📋).
+
+📦 🏃 📏 **👑 🛠️** (📋 ⚖️ 📋) 🏃.
+
+📦 🛎 ✔️ **👁 🛠️**, ✋️ ⚫️ 💪 ▶️ ✳ ⚪️➡️ 👑 🛠️, & 👈 🌌 👆 🔜 ✔️ **💗 🛠️** 🎏 📦.
+
+✋️ ⚫️ 🚫 💪 ✔️ 🏃♂ 📦 🍵 **🌘 1️⃣ 🏃♂ 🛠️**. 🚥 👑 🛠️ ⛔️, 📦 ⛔️.
+
+## 🏗 ☁ 🖼 FastAPI
+
+🆗, ➡️ 🏗 🕳 🔜 ❗ 👶
+
+👤 🔜 🎦 👆 ❔ 🏗 **☁ 🖼** FastAPI **⚪️➡️ 🖌**, ⚓️ 🔛 **🛂 🐍** 🖼.
+
+👉 ⚫️❔ 👆 🔜 💚 **🏆 💼**, 🖼:
+
+* ⚙️ **Kubernete** ⚖️ 🎏 🧰
+* 🕐❔ 🏃♂ 🔛 **🍓 👲**
+* ⚙️ ☁ 🐕🦺 👈 🔜 🏃 📦 🖼 👆, ♒️.
+
+### 📦 📄
+
+👆 🔜 🛎 ✔️ **📦 📄** 👆 🈸 📁.
+
+⚫️ 🔜 🪀 ✴️ 🔛 🧰 👆 ⚙️ **❎** 👈 📄.
+
+🌅 ⚠ 🌌 ⚫️ ✔️ 📁 `requirements.txt` ⏮️ 📦 📛 & 👫 ⏬, 1️⃣ 📍 ⏸.
+
+👆 🔜 ↗️ ⚙️ 🎏 💭 👆 ✍ [🔃 FastAPI ⏬](./versions.md){.internal-link target=_blank} ⚒ ↔ ⏬.
+
+🖼, 👆 `requirements.txt` 💪 👀 💖:
+
+```
+fastapi>=0.68.0,<0.69.0
+pydantic>=1.8.0,<2.0.0
+uvicorn>=0.15.0,<0.16.0
+```
+
+& 👆 🔜 🛎 ❎ 👈 📦 🔗 ⏮️ `pip`, 🖼:
+
+<div class="termy">
+
+```console
+$ pip install -r requirements.txt
+---> 100%
+Successfully installed fastapi pydantic uvicorn
+```
+
+</div>
+
+!!! info
+ 📤 🎏 📁 & 🧰 🔬 & ❎ 📦 🔗.
+
+ 👤 🔜 🎦 👆 🖼 ⚙️ 🎶 ⏪ 📄 🔛. 👶
+
+### ✍ **FastAPI** 📟
+
+* ✍ `app` 📁 & ⛔ ⚫️.
+* ✍ 🛁 📁 `__init__.py`.
+* ✍ `main.py` 📁 ⏮️:
+
+```Python
+from typing import Union
+
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/")
+def read_root():
+ return {"Hello": "World"}
+
+
+@app.get("/items/{item_id}")
+def read_item(item_id: int, q: Union[str, None] = None):
+ return {"item_id": item_id, "q": q}
+```
+
+### 📁
+
+🔜 🎏 🏗 📁 ✍ 📁 `Dockerfile` ⏮️:
+
+```{ .dockerfile .annotate }
+# (1)
+FROM python:3.9
+
+# (2)
+WORKDIR /code
+
+# (3)
+COPY ./requirements.txt /code/requirements.txt
+
+# (4)
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+# (5)
+COPY ./app /code/app
+
+# (6)
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]
+```
+
+1️⃣. ▶️ ⚪️➡️ 🛂 🐍 🧢 🖼.
+
+2️⃣. ⚒ ⏮️ 👷 📁 `/code`.
+
+ 👉 🌐❔ 👥 🔜 🚮 `requirements.txt` 📁 & `app` 📁.
+
+3️⃣. 📁 📁 ⏮️ 📄 `/code` 📁.
+
+ 📁 **🕴** 📁 ⏮️ 📄 🥇, 🚫 🎂 📟.
+
+ 👉 📁 **🚫 🔀 🛎**, ☁ 🔜 🔍 ⚫️ & ⚙️ **💾** 👉 🔁, 🛠️ 💾 ⏭ 🔁 💁♂️.
+
+4️⃣. ❎ 📦 🔗 📄 📁.
+
+ `--no-cache-dir` 🎛 💬 `pip` 🚫 🖊 ⏬ 📦 🌐, 👈 🕴 🚥 `pip` 🔜 🏃 🔄 ❎ 🎏 📦, ✋️ 👈 🚫 💼 🕐❔ 👷 ⏮️ 📦.
+
+ !!! note
+ `--no-cache-dir` 🕴 🔗 `pip`, ⚫️ ✔️ 🕳 ⏮️ ☁ ⚖️ 📦.
+
+ `--upgrade` 🎛 💬 `pip` ♻ 📦 🚥 👫 ⏪ ❎.
+
+ ↩️ ⏮️ 🔁 🖨 📁 💪 🔍 **☁ 💾**, 👉 🔁 🔜 **⚙️ ☁ 💾** 🕐❔ 💪.
+
+ ⚙️ 💾 👉 🔁 🔜 **🖊** 👆 📚 **🕰** 🕐❔ 🏗 🖼 🔄 & 🔄 ⏮️ 🛠️, ↩️ **⏬ & ❎** 🌐 🔗 **🔠 🕰**.
+
+5️⃣. 📁 `./app` 📁 🔘 `/code` 📁.
+
+ 👉 ✔️ 🌐 📟 ❔ ⚫️❔ **🔀 🌅 🛎** ☁ **💾** 🏆 🚫 ⚙️ 👉 ⚖️ 🙆 **📄 🔁** 💪.
+
+ , ⚫️ ⚠ 🚮 👉 **🏘 🔚** `Dockerfile`, 🔬 📦 🖼 🏗 🕰.
+
+6️⃣. ⚒ **📋** 🏃 `uvicorn` 💽.
+
+ `CMD` ✊ 📇 🎻, 🔠 👫 🎻 ⚫️❔ 👆 🔜 🆎 📋 ⏸ 👽 🚀.
+
+ 👉 📋 🔜 🏃 ⚪️➡️ **⏮️ 👷 📁**, 🎏 `/code` 📁 👆 ⚒ 🔛 ⏮️ `WORKDIR /code`.
+
+ ↩️ 📋 🔜 ▶️ `/code` & 🔘 ⚫️ 📁 `./app` ⏮️ 👆 📟, **Uvicorn** 🔜 💪 👀 & **🗄** `app` ⚪️➡️ `app.main`.
+
+!!! tip
+ 📄 ⚫️❔ 🔠 ⏸ 🔨 🖊 🔠 🔢 💭 📟. 👶
+
+👆 🔜 🔜 ✔️ 📁 📊 💖:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ └── main.py
+├── Dockerfile
+└── requirements.txt
+```
+
+#### ⛅ 🤝 ❎ 🗳
+
+🚥 👆 🏃♂ 👆 📦 ⛅ 🤝 ❎ 🗳 (📐 ⚙) 💖 👌 ⚖️ Traefik, 🚮 🎛 `--proxy-headers`, 👉 🔜 💬 Uvicorn 💙 🎚 📨 👈 🗳 💬 ⚫️ 👈 🈸 🏃 ⛅ 🇺🇸🔍, ♒️.
+
+```Dockerfile
+CMD ["uvicorn", "app.main:app", "--proxy-headers", "--host", "0.0.0.0", "--port", "80"]
+```
+
+#### ☁ 💾
+
+📤 ⚠ 🎱 👉 `Dockerfile`, 👥 🥇 📁 **📁 ⏮️ 🔗 😞**, 🚫 🎂 📟. ➡️ 👤 💬 👆 ⚫️❔ 👈.
+
+```Dockerfile
+COPY ./requirements.txt /code/requirements.txt
+```
+
+☁ & 🎏 🧰 **🏗** 👉 📦 🖼 **🔁**, 🚮 **1️⃣ 🧽 🔛 🔝 🎏**, ▶️ ⚪️➡️ 🔝 `Dockerfile` & ❎ 🙆 📁 ✍ 🔠 👩🌾 `Dockerfile`.
+
+☁ & 🎏 🧰 ⚙️ **🔗 💾** 🕐❔ 🏗 🖼, 🚥 📁 🚫 🔀 ↩️ 🏁 🕰 🏗 📦 🖼, ⤴️ ⚫️ 🔜 **🏤-⚙️ 🎏 🧽** ✍ 🏁 🕰, ↩️ 🖨 📁 🔄 & 🏗 🆕 🧽 ⚪️➡️ 🖌.
+
+❎ 📁 📁 🚫 🎯 📉 👜 💁♂️ 🌅, ✋️ ↩️ ⚫️ ⚙️ 💾 👈 🔁, ⚫️ 💪 **⚙️ 💾 ⏭ 🔁**. 🖼, ⚫️ 💪 ⚙️ 💾 👩🌾 👈 ❎ 🔗 ⏮️:
+
+```Dockerfile
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+```
+
+📁 ⏮️ 📦 📄 **🏆 🚫 🔀 🛎**. , 🖨 🕴 👈 📁, ☁ 🔜 💪 **⚙️ 💾** 👈 🔁.
+
+& ⤴️, ☁ 🔜 💪 **⚙️ 💾 ⏭ 🔁** 👈 ⏬ & ❎ 👈 🔗. & 📥 🌐❔ 👥 **🖊 📚 🕰**. 👶 ...& ❎ 😩 ⌛. 👶 👶
+
+⏬ & ❎ 📦 🔗 **💪 ✊ ⏲**, ✋️ ⚙️ **💾** 🔜 **✊ 🥈** 🌅.
+
+& 👆 🔜 🏗 📦 🖼 🔄 & 🔄 ⏮️ 🛠️ ✅ 👈 👆 📟 🔀 👷, 📤 📚 📈 🕰 👉 🔜 🖊.
+
+⤴️, 🏘 🔚 `Dockerfile`, 👥 📁 🌐 📟. 👉 ⚫️❔ **🔀 🏆 🛎**, 👥 🚮 ⚫️ 🏘 🔚, ↩️ 🌖 🕧, 🕳 ⏮️ 👉 🔁 🔜 🚫 💪 ⚙️ 💾.
+
+```Dockerfile
+COPY ./app /code/app
+```
+
+### 🏗 ☁ 🖼
+
+🔜 👈 🌐 📁 🥉, ➡️ 🏗 📦 🖼.
+
+* 🚶 🏗 📁 (🌐❔ 👆 `Dockerfile` , ⚗ 👆 `app` 📁).
+* 🏗 👆 FastAPI 🖼:
+
+<div class="termy">
+
+```console
+$ docker build -t myimage .
+
+---> 100%
+```
+
+</div>
+
+!!! tip
+ 👀 `.` 🔚, ⚫️ 🌓 `./`, ⚫️ 💬 ☁ 📁 ⚙️ 🏗 📦 🖼.
+
+ 👉 💼, ⚫️ 🎏 ⏮️ 📁 (`.`).
+
+### ▶️ ☁ 📦
+
+* 🏃 📦 ⚓️ 🔛 👆 🖼:
+
+<div class="termy">
+
+```console
+$ docker run -d --name mycontainer -p 80:80 myimage
+```
+
+</div>
+
+## ✅ ⚫️
+
+👆 🔜 💪 ✅ ⚫️ 👆 ☁ 📦 📛, 🖼: <a href="http://192.168.99.100/items/5?q=somequery" class="external-link" target="_blank">http://192.168.99.100/items/5?q=somequery</a> ⚖️ <a href="http://127.0.0.1/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1/items/5?q=somequery</a> (⚖️ 🌓, ⚙️ 👆 ☁ 🦠).
+
+👆 🔜 👀 🕳 💖:
+
+```JSON
+{"item_id": 5, "q": "somequery"}
+```
+
+## 🎓 🛠️ 🩺
+
+🔜 👆 💪 🚶 <a href="http://192.168.99.100/docs" class="external-link" target="_blank">http://192.168.99.100/docs</a> ⚖️ <a href="http://127.0.0.1/docs" class="external-link" target="_blank">http://127.0.0.1/docs</a> (⚖️ 🌓, ⚙️ 👆 ☁ 🦠).
+
+👆 🔜 👀 🏧 🎓 🛠️ 🧾 (🚚 <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">🦁 🎚</a>):
+
+
+
+## 🎛 🛠️ 🩺
+
+& 👆 💪 🚶 <a href="http://192.168.99.100/redoc" class="external-link" target="_blank">http://192.168.99.100/redoc</a> ⚖️ <a href="http://127.0.0.1/redoc" class="external-link" target="_blank">http://127.0.0.1/redoc</a> (⚖️ 🌓, ⚙️ 👆 ☁ 🦠).
+
+👆 🔜 👀 🎛 🏧 🧾 (🚚 <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">📄</a>):
+
+
+
+## 🏗 ☁ 🖼 ⏮️ 👁-📁 FastAPI
+
+🚥 👆 FastAPI 👁 📁, 🖼, `main.py` 🍵 `./app` 📁, 👆 📁 📊 💪 👀 💖 👉:
+
+```
+.
+├── Dockerfile
+├── main.py
+└── requirements.txt
+```
+
+⤴️ 👆 🔜 ✔️ 🔀 🔗 ➡ 📁 📁 🔘 `Dockerfile`:
+
+```{ .dockerfile .annotate hl_lines="10 13" }
+FROM python:3.9
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+# (1)
+COPY ./main.py /code/
+
+# (2)
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]
+```
+
+1️⃣. 📁 `main.py` 📁 `/code` 📁 🔗 (🍵 🙆 `./app` 📁).
+
+2️⃣. 🏃 Uvicorn & 💬 ⚫️ 🗄 `app` 🎚 ⚪️➡️ `main` (↩️ 🏭 ⚪️➡️ `app.main`).
+
+⤴️ 🔆 Uvicorn 📋 ⚙️ 🆕 🕹 `main` ↩️ `app.main` 🗄 FastAPI 🎚 `app`.
+
+## 🛠️ 🔧
+
+➡️ 💬 🔄 🔃 🎏 [🛠️ 🔧](./concepts.md){.internal-link target=_blank} ⚖ 📦.
+
+📦 ✴️ 🧰 📉 🛠️ **🏗 & 🛠️** 🈸, ✋️ 👫 🚫 🛠️ 🎯 🎯 🍵 👉 **🛠️ 🔧**, & 📤 📚 💪 🎛.
+
+**👍 📰** 👈 ⏮️ 🔠 🎏 🎛 📤 🌌 📔 🌐 🛠️ 🔧. 👶
+
+➡️ 📄 👉 **🛠️ 🔧** ⚖ 📦:
+
+* 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* 🧬 (🔢 🛠️ 🏃)
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+## 🇺🇸🔍
+
+🚥 👥 🎯 🔛 **📦 🖼** FastAPI 🈸 (& ⏪ 🏃♂ **📦**), 🇺🇸🔍 🛎 🔜 🍵 **🗜** ➕1️⃣ 🧰.
+
+⚫️ 💪 ➕1️⃣ 📦, 🖼 ⏮️ <a href="https://traefik.io/" class="external-link" target="_blank">Traefik</a>, 🚚 **🇺🇸🔍** & **🏧** 🛠️ **📄**.
+
+!!! tip
+ Traefik ✔️ 🛠️ ⏮️ ☁, Kubernete, & 🎏, ⚫️ 📶 ⏩ ⚒ 🆙 & 🔗 🇺🇸🔍 👆 📦 ⏮️ ⚫️.
+
+👐, 🇺🇸🔍 💪 🍵 ☁ 🐕🦺 1️⃣ 👫 🐕🦺 (⏪ 🏃 🈸 📦).
+
+## 🏃♂ 🔛 🕴 & ⏏
+
+📤 🛎 ➕1️⃣ 🧰 🈚 **▶️ & 🏃♂** 👆 📦.
+
+⚫️ 💪 **☁** 🔗, **☁ ✍**, **Kubernete**, **☁ 🐕🦺**, ♒️.
+
+🌅 (⚖️ 🌐) 💼, 📤 🙅 🎛 🛠️ 🏃 📦 🔛 🕴 & 🛠️ ⏏ 🔛 ❌. 🖼, ☁, ⚫️ 📋 ⏸ 🎛 `--restart`.
+
+🍵 ⚙️ 📦, ⚒ 🈸 🏃 🔛 🕴 & ⏮️ ⏏ 💪 ⚠ & ⚠. ✋️ 🕐❔ **👷 ⏮️ 📦** 🌅 💼 👈 🛠️ 🔌 🔢. 👶
+
+## 🧬 - 🔢 🛠️
+
+🚥 👆 ✔️ <abbr title="A group of machines that are configured to be connected and work together in some way.">🌑</abbr> 🎰 ⏮️ **☁**, ☁ 🐝 📳, 🖖, ⚖️ ➕1️⃣ 🎏 🏗 ⚙️ 🛠️ 📎 📦 🔛 💗 🎰, ⤴️ 👆 🔜 🎲 💚 **🍵 🧬** **🌑 🎚** ↩️ ⚙️ **🛠️ 👨💼** (💖 🐁 ⏮️ 👨🏭) 🔠 📦.
+
+1️⃣ 📚 📎 📦 🧾 ⚙️ 💖 Kubernete 🛎 ✔️ 🛠️ 🌌 🚚 **🧬 📦** ⏪ 🔗 **📐 ⚖** 📨 📨. 🌐 **🌑 🎚**.
+
+📚 💼, 👆 🔜 🎲 💚 🏗 **☁ 🖼 ⚪️➡️ 🖌** [🔬 🔛](#dockerfile), ❎ 👆 🔗, & 🏃♂ **👁 Uvicorn 🛠️** ↩️ 🏃♂ 🕳 💖 🐁 ⏮️ Uvicorn 👨🏭.
+
+### 📐 ⚙
+
+🕐❔ ⚙️ 📦, 👆 🔜 🛎 ✔️ 🦲 **👂 🔛 👑 ⛴**. ⚫️ 💪 🎲 ➕1️⃣ 📦 👈 **🤝 ❎ 🗳** 🍵 **🇺🇸🔍** ⚖️ 🎏 🧰.
+
+👉 🦲 🔜 ✊ **📐** 📨 & 📎 👈 👪 👨🏭 (🤞) **⚖** 🌌, ⚫️ 🛎 🤙 **📐 ⚙**.
+
+!!! tip
+ 🎏 **🤝 ❎ 🗳** 🦲 ⚙️ 🇺🇸🔍 🔜 🎲 **📐 ⚙**.
+
+& 🕐❔ 👷 ⏮️ 📦, 🎏 ⚙️ 👆 ⚙️ ▶️ & 🛠️ 👫 🔜 ⏪ ✔️ 🔗 🧰 📶 **🕸 📻** (✅ 🇺🇸🔍 📨) ⚪️➡️ 👈 **📐 ⚙** (👈 💪 **🤝 ❎ 🗳**) 📦(Ⓜ) ⏮️ 👆 📱.
+
+### 1️⃣ 📐 ⚙ - 💗 👨🏭 📦
+
+🕐❔ 👷 ⏮️ **Kubernete** ⚖️ 🎏 📎 📦 🧾 ⚙️, ⚙️ 👫 🔗 🕸 🛠️ 🔜 ✔ 👁 **📐 ⚙** 👈 👂 🔛 👑 **⛴** 📶 📻 (📨) 🎲 **💗 📦** 🏃 👆 📱.
+
+🔠 👫 📦 🏃♂ 👆 📱 🔜 🛎 ✔️ **1️⃣ 🛠️** (✅ Uvicorn 🛠️ 🏃 👆 FastAPI 🈸). 👫 🔜 🌐 **🌓 📦**, 🏃♂ 🎏 👜, ✋️ 🔠 ⏮️ 🚮 👍 🛠️, 💾, ♒️. 👈 🌌 👆 🔜 ✊ 📈 **🛠️** **🎏 🐚** 💽, ⚖️ **🎏 🎰**.
+
+& 📎 📦 ⚙️ ⏮️ **📐 ⚙** 🔜 **📎 📨** 🔠 1️⃣ 📦 ⏮️ 👆 📱 **🔄**. , 🔠 📨 💪 🍵 1️⃣ 💗 **🔁 📦** 🏃 👆 📱.
+
+& 🛎 👉 **📐 ⚙** 🔜 💪 🍵 📨 👈 🚶 *🎏* 📱 👆 🌑 (✅ 🎏 🆔, ⚖️ 🔽 🎏 📛 ➡ 🔡), & 🔜 📶 👈 📻 ▶️️ 📦 *👈 🎏* 🈸 🏃♂ 👆 🌑.
+
+### 1️⃣ 🛠️ 📍 📦
+
+👉 🆎 😐, 👆 🎲 🔜 💚 ✔️ **👁 (Uvicorn) 🛠️ 📍 📦**, 👆 🔜 ⏪ 🚚 🧬 🌑 🎚.
+
+, 👉 💼, 👆 **🔜 🚫** 💚 ✔️ 🛠️ 👨💼 💖 🐁 ⏮️ Uvicorn 👨🏭, ⚖️ Uvicorn ⚙️ 🚮 👍 Uvicorn 👨🏭. 👆 🔜 💚 ✔️ **👁 Uvicorn 🛠️** 📍 📦 (✋️ 🎲 💗 📦).
+
+✔️ ➕1️⃣ 🛠️ 👨💼 🔘 📦 (🔜 ⏮️ 🐁 ⚖️ Uvicorn 🛠️ Uvicorn 👨🏭) 🔜 🕴 🚮 **🙃 🔀** 👈 👆 🌅 🎲 ⏪ ✊ 💅 ⏮️ 👆 🌑 ⚙️.
+
+### 📦 ⏮️ 💗 🛠️ & 🎁 💼
+
+↗️, 📤 **🎁 💼** 🌐❔ 👆 💪 💚 ✔️ **📦** ⏮️ **🐁 🛠️ 👨💼** ▶️ 📚 **Uvicorn 👨🏭 🛠️** 🔘.
+
+📚 💼, 👆 💪 ⚙️ **🛂 ☁ 🖼** 👈 🔌 **🐁** 🛠️ 👨💼 🏃♂ 💗 **Uvicorn 👨🏭 🛠️**, & 🔢 ⚒ 🔆 🔢 👨🏭 ⚓️ 🔛 ⏮️ 💽 🐚 🔁. 👤 🔜 💬 👆 🌅 🔃 ⚫️ 🔛 [🛂 ☁ 🖼 ⏮️ 🐁 - Uvicorn](#official-docker-image-with-gunicorn-uvicorn).
+
+📥 🖼 🕐❔ 👈 💪 ⚒ 🔑:
+
+#### 🙅 📱
+
+👆 💪 💚 🛠️ 👨💼 📦 🚥 👆 🈸 **🙅 🥃** 👈 👆 🚫 💪 (🐥 🚫) 👌-🎶 🔢 🛠️ 💁♂️ 🌅, & 👆 💪 ⚙️ 🏧 🔢 (⏮️ 🛂 ☁ 🖼), & 👆 🏃♂ ⚫️ 🔛 **👁 💽**, 🚫 🌑.
+
+#### ☁ ✍
+
+👆 💪 🛠️ **👁 💽** (🚫 🌑) ⏮️ **☁ ✍**, 👆 🚫🔜 ✔️ ⏩ 🌌 🛠️ 🧬 📦 (⏮️ ☁ ✍) ⏪ 🛡 🔗 🕸 & **📐 ⚖**.
+
+⤴️ 👆 💪 💚 ✔️ **👁 📦** ⏮️ **🛠️ 👨💼** ▶️ **📚 👨🏭 🛠️** 🔘.
+
+#### 🤴 & 🎏 🤔
+
+👆 💪 ✔️ **🎏 🤔** 👈 🔜 ⚒ ⚫️ ⏩ ✔️ **👁 📦** ⏮️ **💗 🛠️** ↩️ ✔️ **💗 📦** ⏮️ **👁 🛠️** 🔠 👫.
+
+🖼 (🪀 🔛 👆 🖥) 👆 💪 ✔️ 🧰 💖 🤴 🏭 🎏 📦 👈 🔜 ✔️ 🔐 **🔠 📨** 👈 👟.
+
+👉 💼, 🚥 👆 ✔️ **💗 📦**, 🔢, 🕐❔ 🤴 👟 **✍ ⚖**, ⚫️ 🔜 🤚 🕐 **👁 📦 🔠 🕰** (📦 👈 🍵 👈 🎯 📨), ↩️ 🤚 **📈 ⚖** 🌐 🔁 📦.
+
+⤴️, 👈 💼, ⚫️ 💪 🙅 ✔️ **1️⃣ 📦** ⏮️ **💗 🛠️**, & 🇧🇿 🧰 (✅ 🤴 🏭) 🔛 🎏 📦 📈 🤴 ⚖ 🌐 🔗 🛠️ & 🎦 👈 ⚖ 🔛 👈 👁 📦.
+
+---
+
+👑 ☝, **👌** 👉 **🚫 ✍ 🗿** 👈 👆 ✔️ 😄 ⏩. 👆 💪 ⚙️ 👫 💭 **🔬 👆 👍 ⚙️ 💼** & 💭 ⚫️❔ 👍 🎯 👆 ⚙️, ✅ 👅 ❔ 🛠️ 🔧:
+
+* 💂♂ - 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* 🧬 (🔢 🛠️ 🏃)
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+## 💾
+
+🚥 👆 🏃 **👁 🛠️ 📍 📦** 👆 🔜 ✔️ 🌅 ⚖️ 🌘 👍-🔬, ⚖, & 📉 💸 💾 🍴 🔠 👈 📦 (🌅 🌘 1️⃣ 🚥 👫 🔁).
+
+& ⤴️ 👆 💪 ⚒ 👈 🎏 💾 📉 & 📄 👆 📳 👆 📦 🧾 ⚙️ (🖼 **Kubernete**). 👈 🌌 ⚫️ 🔜 💪 **🔁 📦** **💪 🎰** ✊ 🔘 🏧 💸 💾 💪 👫, & 💸 💪 🎰 🌑.
+
+🚥 👆 🈸 **🙅**, 👉 🔜 🎲 **🚫 ⚠**, & 👆 💪 🚫 💪 ✔ 🏋️ 💾 📉. ✋️ 🚥 👆 **⚙️ 📚 💾** (🖼 ⏮️ **🎰 🏫** 🏷), 👆 🔜 ✅ ❔ 🌅 💾 👆 😩 & 🔆 **🔢 📦** 👈 🏃 **🔠 🎰** (& 🎲 🚮 🌖 🎰 👆 🌑).
+
+🚥 👆 🏃 **💗 🛠️ 📍 📦** (🖼 ⏮️ 🛂 ☁ 🖼) 👆 🔜 ✔️ ⚒ 💭 👈 🔢 🛠️ ▶️ 🚫 **🍴 🌖 💾** 🌘 ⚫️❔ 💪.
+
+## ⏮️ 🔁 ⏭ ▶️ & 📦
+
+🚥 👆 ⚙️ 📦 (✅ ☁, Kubernete), ⤴️ 📤 2️⃣ 👑 🎯 👆 💪 ⚙️.
+
+### 💗 📦
+
+🚥 👆 ✔️ **💗 📦**, 🎲 🔠 1️⃣ 🏃 **👁 🛠️** (🖼, **Kubernete** 🌑), ⤴️ 👆 🔜 🎲 💚 ✔️ **🎏 📦** 🔨 👷 **⏮️ 📶** 👁 📦, 🏃 👁 🛠️, **⏭** 🏃 🔁 👨🏭 📦.
+
+!!! info
+ 🚥 👆 ⚙️ Kubernete, 👉 🔜 🎲 <a href="https://kubernetes.io/docs/concepts/workloads/pods/init-containers/" class="external-link" target="_blank">🕑 📦</a>.
+
+🚥 👆 ⚙️ 💼 📤 🙅♂ ⚠ 🏃♂ 👈 ⏮️ 📶 **💗 🕰 🔗** (🖼 🚥 👆 🚫 🏃 💽 🛠️, ✋️ ✅ 🚥 💽 🔜), ⤴️ 👆 💪 🚮 👫 🔠 📦 ▶️️ ⏭ ▶️ 👑 🛠️.
+
+### 👁 📦
+
+🚥 👆 ✔️ 🙅 🖥, ⏮️ **👁 📦** 👈 ⤴️ ▶️ 💗 **👨🏭 🛠️** (⚖️ 1️⃣ 🛠️), ⤴️ 👆 💪 🏃 👈 ⏮️ 🔁 🎏 📦, ▶️️ ⏭ ▶️ 🛠️ ⏮️ 📱. 🛂 ☁ 🖼 🐕🦺 👉 🔘.
+
+## 🛂 ☁ 🖼 ⏮️ 🐁 - Uvicorn
+
+📤 🛂 ☁ 🖼 👈 🔌 🐁 🏃♂ ⏮️ Uvicorn 👨🏭, ℹ ⏮️ 📃: [💽 👨🏭 - 🐁 ⏮️ Uvicorn](./server-workers.md){.internal-link target=_blank}.
+
+👉 🖼 🔜 ⚠ ✴️ ⚠ 🔬 🔛: [📦 ⏮️ 💗 🛠️ & 🎁 💼](#containers-with-multiple-processes-and-special-cases).
+
+* <a href="https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker" class="external-link" target="_blank">tiangolo/uvicorn-🐁-fastapi</a>.
+
+!!! warning
+ 📤 ↕ 🤞 👈 👆 **🚫** 💪 👉 🧢 🖼 ⚖️ 🙆 🎏 🎏 1️⃣, & 🔜 👻 📆 🏗 🖼 ⚪️➡️ 🖌 [🔬 🔛: 🏗 ☁ 🖼 FastAPI](#build-a-docker-image-for-fastapi).
+
+👉 🖼 ✔️ **🚘-📳** 🛠️ 🔌 ⚒ **🔢 👨🏭 🛠️** ⚓️ 🔛 💽 🐚 💪.
+
+⚫️ ✔️ **🤔 🔢**, ✋️ 👆 💪 🔀 & ℹ 🌐 📳 ⏮️ **🌐 🔢** ⚖️ 📳 📁.
+
+⚫️ 🐕🦺 🏃 <a href="https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker#pre_start_path" class="external-link" target="_blank">**⏮️ 🔁 ⏭ ▶️**</a> ⏮️ ✍.
+
+!!! tip
+ 👀 🌐 📳 & 🎛, 🚶 ☁ 🖼 📃: <a href="https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker" class="external-link" target="_blank">Tiangolo/uvicorn-🐁-fastapi</a>.
+
+### 🔢 🛠️ 🔛 🛂 ☁ 🖼
+
+**🔢 🛠️** 🔛 👉 🖼 **📊 🔁** ⚪️➡️ 💽 **🐚** 💪.
+
+👉 ⛓ 👈 ⚫️ 🔜 🔄 **🗜** 🌅 **🎭** ⚪️➡️ 💽 💪.
+
+👆 💪 🔆 ⚫️ ⏮️ 📳 ⚙️ **🌐 🔢**, ♒️.
+
+✋️ ⚫️ ⛓ 👈 🔢 🛠️ 🪀 🔛 💽 📦 🏃, **💸 💾 🍴** 🔜 🪀 🔛 👈.
+
+, 🚥 👆 🈸 🍴 📚 💾 (🖼 ⏮️ 🎰 🏫 🏷), & 👆 💽 ✔️ 📚 💽 🐚 **✋️ 🐥 💾**, ⤴️ 👆 📦 💪 🔚 🆙 🔄 ⚙️ 🌅 💾 🌘 ⚫️❔ 💪, & 🤕 🎭 📚 (⚖️ 💥). 👶
+
+### ✍ `Dockerfile`
+
+📥 ❔ 👆 🔜 ✍ `Dockerfile` ⚓️ 🔛 👉 🖼:
+
+```Dockerfile
+FROM tiangolo/uvicorn-gunicorn-fastapi:python3.9
+
+COPY ./requirements.txt /app/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
+
+COPY ./app /app
+```
+
+### 🦏 🈸
+
+🚥 👆 ⏩ 📄 🔃 🏗 [🦏 🈸 ⏮️ 💗 📁](../tutorial/bigger-applications.md){.internal-link target=_blank}, 👆 `Dockerfile` 💪 ↩️ 👀 💖:
+
+```Dockerfile hl_lines="7"
+FROM tiangolo/uvicorn-gunicorn-fastapi:python3.9
+
+COPY ./requirements.txt /app/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
+
+COPY ./app /app/app
+```
+
+### 🕐❔ ⚙️
+
+👆 🔜 🎲 **🚫** ⚙️ 👉 🛂 🧢 🖼 (⚖️ 🙆 🎏 🎏 1️⃣) 🚥 👆 ⚙️ **Kubernete** (⚖️ 🎏) & 👆 ⏪ ⚒ **🧬** 🌑 🎚, ⏮️ 💗 **📦**. 📚 💼, 👆 👍 📆 **🏗 🖼 ⚪️➡️ 🖌** 🔬 🔛: [🏗 ☁ 🖼 FastAPI](#build-a-docker-image-for-fastapi).
+
+👉 🖼 🔜 ⚠ ✴️ 🎁 💼 🔬 🔛 [📦 ⏮️ 💗 🛠️ & 🎁 💼](#containers-with-multiple-processes-and-special-cases). 🖼, 🚥 👆 🈸 **🙅 🥃** 👈 ⚒ 🔢 🔢 🛠️ ⚓️ 🔛 💽 👷 👍, 👆 🚫 💚 😥 ⏮️ ❎ 🛠️ 🧬 🌑 🎚, & 👆 🚫 🏃 🌅 🌘 1️⃣ 📦 ⏮️ 👆 📱. ⚖️ 🚥 👆 🛠️ ⏮️ **☁ ✍**, 🏃 🔛 👁 💽, ♒️.
+
+## 🛠️ 📦 🖼
+
+⏮️ ✔️ 📦 (☁) 🖼 📤 📚 🌌 🛠️ ⚫️.
+
+🖼:
+
+* ⏮️ **☁ ✍** 👁 💽
+* ⏮️ **Kubernete** 🌑
+* ⏮️ ☁ 🐝 📳 🌑
+* ⏮️ ➕1️⃣ 🧰 💖 🖖
+* ⏮️ ☁ 🐕🦺 👈 ✊ 👆 📦 🖼 & 🛠️ ⚫️
+
+## ☁ 🖼 ⏮️ 🎶
+
+🚥 👆 ⚙️ <a href="https://python-poetry.org/" class="external-link" target="_blank">🎶</a> 🛠️ 👆 🏗 🔗, 👆 💪 ⚙️ ☁ 👁-▶️ 🏗:
+
+```{ .dockerfile .annotate }
+# (1)
+FROM python:3.9 as requirements-stage
+
+# (2)
+WORKDIR /tmp
+
+# (3)
+RUN pip install poetry
+
+# (4)
+COPY ./pyproject.toml ./poetry.lock* /tmp/
+
+# (5)
+RUN poetry export -f requirements.txt --output requirements.txt --without-hashes
+
+# (6)
+FROM python:3.9
+
+# (7)
+WORKDIR /code
+
+# (8)
+COPY --from=requirements-stage /tmp/requirements.txt /code/requirements.txt
+
+# (9)
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+# (10)
+COPY ./app /code/app
+
+# (11)
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]
+```
+
+1️⃣. 👉 🥇 ▶️, ⚫️ 🌟 `requirements-stage`.
+
+2️⃣. ⚒ `/tmp` ⏮️ 👷 📁.
+
+ 📥 🌐❔ 👥 🔜 🏗 📁 `requirements.txt`
+
+3️⃣. ❎ 🎶 👉 ☁ ▶️.
+
+4️⃣. 📁 `pyproject.toml` & `poetry.lock` 📁 `/tmp` 📁.
+
+ ↩️ ⚫️ ⚙️ `./poetry.lock*` (▶️ ⏮️ `*`), ⚫️ 🏆 🚫 💥 🚥 👈 📁 🚫 💪.
+
+5️⃣. 🏗 `requirements.txt` 📁.
+
+6️⃣. 👉 🏁 ▶️, 🕳 📥 🔜 🛡 🏁 📦 🖼.
+
+7️⃣. ⚒ ⏮️ 👷 📁 `/code`.
+
+8️⃣. 📁 `requirements.txt` 📁 `/code` 📁.
+
+ 👉 📁 🕴 🖖 ⏮️ ☁ ▶️, 👈 ⚫️❔ 👥 ⚙️ `--from-requirements-stage` 📁 ⚫️.
+
+9️⃣. ❎ 📦 🔗 🏗 `requirements.txt` 📁.
+
+1️⃣0️⃣. 📁 `app` 📁 `/code` 📁.
+
+1️⃣1️⃣. 🏃 `uvicorn` 📋, 💬 ⚫️ ⚙️ `app` 🎚 🗄 ⚪️➡️ `app.main`.
+
+!!! tip
+ 🖊 💭 🔢 👀 ⚫️❔ 🔠 ⏸ 🔨.
+
+**☁ ▶️** 🍕 `Dockerfile` 👈 👷 **🍕 📦 🖼** 👈 🕴 ⚙️ 🏗 📁 ⚙️ ⏪.
+
+🥇 ▶️ 🔜 🕴 ⚙️ **❎ 🎶** & **🏗 `requirements.txt`** ⏮️ 👆 🏗 🔗 ⚪️➡️ 🎶 `pyproject.toml` 📁.
+
+👉 `requirements.txt` 📁 🔜 ⚙️ ⏮️ `pip` ⏪ **⏭ ▶️**.
+
+🏁 📦 🖼 **🕴 🏁 ▶️** 🛡. ⏮️ ▶️(Ⓜ) 🔜 ❎.
+
+🕐❔ ⚙️ 🎶, ⚫️ 🔜 ⚒ 🔑 ⚙️ **☁ 👁-▶️ 🏗** ↩️ 👆 🚫 🤙 💪 ✔️ 🎶 & 🚮 🔗 ❎ 🏁 📦 🖼, 👆 **🕴 💪** ✔️ 🏗 `requirements.txt` 📁 ❎ 👆 🏗 🔗.
+
+⤴️ ⏭ (& 🏁) ▶️ 👆 🔜 🏗 🖼 🌅 ⚖️ 🌘 🎏 🌌 🔬 ⏭.
+
+### ⛅ 🤝 ❎ 🗳 - 🎶
+
+🔄, 🚥 👆 🏃♂ 👆 📦 ⛅ 🤝 ❎ 🗳 (📐 ⚙) 💖 👌 ⚖️ Traefik, 🚮 🎛 `--proxy-headers` 📋:
+
+```Dockerfile
+CMD ["uvicorn", "app.main:app", "--proxy-headers", "--host", "0.0.0.0", "--port", "80"]
+```
+
+## 🌃
+
+⚙️ 📦 ⚙️ (✅ ⏮️ **☁** & **Kubernete**) ⚫️ ▶️️ 📶 🎯 🍵 🌐 **🛠️ 🔧**:
+
+* 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* 🧬 (🔢 🛠️ 🏃)
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+🌅 💼, 👆 🎲 🏆 🚫 💚 ⚙️ 🙆 🧢 🖼, & ↩️ **🏗 📦 🖼 ⚪️➡️ 🖌** 1️⃣ ⚓️ 🔛 🛂 🐍 ☁ 🖼.
+
+✊ 💅 **✔** 👩🌾 `Dockerfile` & **☁ 💾** 👆 💪 **📉 🏗 🕰**, 📉 👆 📈 (& ❎ 😩). 👶
+
+🎯 🎁 💼, 👆 💪 💚 ⚙️ 🛂 ☁ 🖼 FastAPI. 👶
--- /dev/null
+# 🔃 🇺🇸🔍
+
+⚫️ ⏩ 🤔 👈 🇺🇸🔍 🕳 👈 "🛠️" ⚖️ 🚫.
+
+✋️ ⚫️ 🌌 🌖 🏗 🌘 👈.
+
+!!! tip
+ 🚥 👆 🏃 ⚖️ 🚫 💅, 😣 ⏮️ ⏭ 📄 🔁 🔁 👩🌾 ⚒ 🌐 🆙 ⏮️ 🎏 ⚒.
+
+**💡 🔰 🇺🇸🔍**, ⚪️➡️ 🏬 🤔, ✅ <a href="https://howhttps.works/" class="external-link" target="_blank">https://howhttps.works/</a>.
+
+🔜, ⚪️➡️ **👩💻 🤔**, 📥 📚 👜 ✔️ 🤯 ⏪ 💭 🔃 🇺🇸🔍:
+
+* 🇺🇸🔍, **💽** 💪 **✔️ "📄"** 🏗 **🥉 🥳**.
+ * 📚 📄 🤙 **🏆** ⚪️➡️ 🥉 🥳, 🚫 "🏗".
+* 📄 ✔️ **1️⃣2️⃣🗓️**.
+ * 👫 **🕛**.
+ * & ⤴️ 👫 💪 **♻**, **🏆 🔄** ⚪️➡️ 🥉 🥳.
+* 🔐 🔗 🔨 **🕸 🎚**.
+ * 👈 1️⃣ 🧽 **🔛 🇺🇸🔍**.
+ * , **📄 & 🔐** 🍵 🔨 **⏭ 🇺🇸🔍**.
+* **🕸 🚫 💭 🔃 "🆔"**. 🕴 🔃 📢 📢.
+ * ℹ 🔃 **🎯 🆔** 📨 🚶 **🇺🇸🔍 💽**.
+* **🇺🇸🔍 📄** "✔" **🎯 🆔**, ✋️ 🛠️ & 🔐 🔨 🕸 🎚, **⏭ 💭** ❔ 🆔 ➖ 🙅 ⏮️.
+* **🔢**, 👈 🔜 ⛓ 👈 👆 💪 🕴 ✔️ **1️⃣ 🇺🇸🔍 📄 📍 📢 📢**.
+ * 🙅♂ 🤔 ❔ 🦏 👆 💽 ⚖️ ❔ 🤪 🔠 🈸 👆 ✔️ 🔛 ⚫️ 💪.
+ * 📤 **⚗** 👉, 👐.
+* 📤 **↔** **🤝** 🛠️ (1️⃣ 🚚 🔐 🕸 🎚, ⏭ 🇺🇸🔍) 🤙 **<a href="https://en.wikipedia.org/wiki/Server_Name_Indication" class="external-link" target="_blank"><abbr title="Server Name Indication">👲</abbr></a>**.
+ * 👉 👲 ↔ ✔ 1️⃣ 👁 💽 (⏮️ **👁 📢 📢**) ✔️ **📚 🇺🇸🔍 📄** & 🍦 **💗 🇺🇸🔍 🆔/🈸**.
+ * 👉 👷, **👁** 🦲 (📋) 🏃 🔛 💽, 👂 🔛 **📢 📢 📢**, 🔜 ✔️ **🌐 🇺🇸🔍 📄** 💽.
+* **⏮️** 🏆 🔐 🔗, 📻 🛠️ **🇺🇸🔍**.
+ * 🎚 **🗜**, ✋️ 👫 ➖ 📨 ⏮️ **🇺🇸🔍 🛠️**.
+
+⚫️ ⚠ 💡 ✔️ **1️⃣ 📋/🇺🇸🔍 💽** 🏃 🔛 💽 (🎰, 🦠, ♒️.) & **🛠️ 🌐 🇺🇸🔍 🍕**: 📨 **🗜 🇺🇸🔍 📨**, 📨 **🗜 🇺🇸🔍 📨** ☑ 🇺🇸🔍 🈸 🏃 🎏 💽 ( **FastAPI** 🈸, 👉 💼), ✊ **🇺🇸🔍 📨** ⚪️➡️ 🈸, **🗜 ⚫️** ⚙️ ☑ **🇺🇸🔍 📄** & 📨 ⚫️ 🔙 👩💻 ⚙️ **🇺🇸🔍**. 👉 💽 🛎 🤙 **<a href="https://en.wikipedia.org/wiki/TLS_termination_proxy" class="external-link" target="_blank">🤝 ❎ 🗳</a>**.
+
+🎛 👆 💪 ⚙️ 🤝 ❎ 🗳:
+
+* Traefik (👈 💪 🍵 📄 🔕)
+* 📥 (👈 💪 🍵 📄 🔕)
+* 👌
+* ✳
+
+## ➡️ 🗜
+
+⏭ ➡️ 🗜, 👫 **🇺🇸🔍 📄** 💲 💙 🥉 🥳.
+
+🛠️ 📎 1️⃣ 👫 📄 ⚙️ ⚠, 🚚 📠 & 📄 😥.
+
+✋️ ⤴️ **<a href="https://letsencrypt.org/" class="external-link" target="_blank">➡️ 🗜</a>** ✍.
+
+⚫️ 🏗 ⚪️➡️ 💾 🏛. ⚫️ 🚚 **🇺🇸🔍 📄 🆓**, 🏧 🌌. 👫 📄 ⚙️ 🌐 🐩 🔐 💂♂, & 📏-🖖 (🔃 3️⃣ 🗓️), **💂♂ 🤙 👍** ↩️ 👫 📉 🔆.
+
+🆔 🔐 ✔ & 📄 🏗 🔁. 👉 ✔ 🏧 🔕 👫 📄.
+
+💭 🏧 🛠️ & 🔕 👫 📄 👈 👆 💪 ✔️ **🔐 🇺🇸🔍, 🆓, ♾**.
+
+## 🇺🇸🔍 👩💻
+
+📥 🖼 ❔ 🇺🇸🔍 🛠️ 💪 👀 💖, 🔁 🔁, 💸 🙋 ✴️ 💭 ⚠ 👩💻.
+
+### 🆔 📛
+
+⚫️ 🔜 🎲 🌐 ▶️ 👆 **🏗** **🆔 📛**. ⤴️, 👆 🔜 🔗 ⚫️ 🏓 💽 (🎲 👆 🎏 ☁ 🐕🦺).
+
+👆 🔜 🎲 🤚 ☁ 💽 (🕹 🎰) ⚖️ 🕳 🎏, & ⚫️ 🔜 ✔️ <abbr title="That doesn't change">🔧</abbr> **📢 📢 📢**.
+
+🏓 💽(Ⓜ) 👆 🔜 🔗 ⏺ ("`A record`") ☝ **👆 🆔** 📢 **📢 📢 👆 💽**.
+
+👆 🔜 🎲 👉 🕐, 🥇 🕰, 🕐❔ ⚒ 🌐 🆙.
+
+!!! tip
+ 👉 🆔 📛 🍕 🌌 ⏭ 🇺🇸🔍, ✋️ 🌐 🪀 🔛 🆔 & 📢 📢, ⚫️ 💸 💬 ⚫️ 📥.
+
+### 🏓
+
+🔜 ➡️ 🎯 🔛 🌐 ☑ 🇺🇸🔍 🍕.
+
+🥇, 🖥 🔜 ✅ ⏮️ **🏓 💽** ⚫️❔ **📢 🆔**, 👉 💼, `someapp.example.com`.
+
+🏓 💽 🔜 💬 🖥 ⚙️ 🎯 **📢 📢**. 👈 🔜 📢 📢 📢 ⚙️ 👆 💽, 👈 👆 🔗 🏓 💽.
+
+<img src="/img/deployment/https/https01.svg">
+
+### 🤝 🤝 ▶️
+
+🖥 🔜 ⤴️ 🔗 ⏮️ 👈 📢 📢 🔛 **⛴ 4️⃣4️⃣3️⃣** (🇺🇸🔍 ⛴).
+
+🥇 🍕 📻 🛠️ 🔗 🖖 👩💻 & 💽 & 💭 🔐 🔑 👫 🔜 ⚙️, ♒️.
+
+<img src="/img/deployment/https/https02.svg">
+
+👉 🔗 🖖 👩💻 & 💽 🛠️ 🤝 🔗 🤙 **🤝 🤝**.
+
+### 🤝 ⏮️ 👲 ↔
+
+**🕴 1️⃣ 🛠️** 💽 💪 👂 🔛 🎯 **⛴** 🎯 **📢 📢**. 📤 💪 🎏 🛠️ 👂 🔛 🎏 ⛴ 🎏 📢 📢, ✋️ 🕴 1️⃣ 🔠 🌀 📢 📢 & ⛴.
+
+🤝 (🇺🇸🔍) ⚙️ 🎯 ⛴ `443` 🔢. 👈 ⛴ 👥 🔜 💪.
+
+🕴 1️⃣ 🛠️ 💪 👂 🔛 👉 ⛴, 🛠️ 👈 🔜 ⚫️ 🔜 **🤝 ❎ 🗳**.
+
+🤝 ❎ 🗳 🔜 ✔️ 🔐 1️⃣ ⚖️ 🌅 **🤝 📄** (🇺🇸🔍 📄).
+
+⚙️ **👲 ↔** 🔬 🔛, 🤝 ❎ 🗳 🔜 ✅ ❔ 🤝 (🇺🇸🔍) 📄 💪 ⚫️ 🔜 ⚙️ 👉 🔗, ⚙️ 1️⃣ 👈 🏏 🆔 📈 👩💻.
+
+👉 💼, ⚫️ 🔜 ⚙️ 📄 `someapp.example.com`.
+
+<img src="/img/deployment/https/https03.svg">
+
+👩💻 ⏪ **💙** 👨💼 👈 🏗 👈 🤝 📄 (👉 💼 ➡️ 🗜, ✋️ 👥 🔜 👀 🔃 👈 ⏪), ⚫️ 💪 **✔** 👈 📄 ☑.
+
+⤴️, ⚙️ 📄, 👩💻 & 🤝 ❎ 🗳 **💭 ❔ 🗜** 🎂 **🕸 📻**. 👉 🏁 **🤝 🤝** 🍕.
+
+⏮️ 👉, 👩💻 & 💽 ✔️ **🗜 🕸 🔗**, 👉 ⚫️❔ 🤝 🚚. & ⤴️ 👫 💪 ⚙️ 👈 🔗 ▶️ ☑ **🇺🇸🔍 📻**.
+
+& 👈 ⚫️❔ **🇺🇸🔍** , ⚫️ ✅ **🇺🇸🔍** 🔘 **🔐 🤝 🔗** ↩️ 😁 (💽) 🕸 🔗.
+
+!!! tip
+ 👀 👈 🔐 📻 🔨 **🕸 🎚**, 🚫 🇺🇸🔍 🎚.
+
+### 🇺🇸🔍 📨
+
+🔜 👈 👩💻 & 💽 (🎯 🖥 & 🤝 ❎ 🗳) ✔️ **🗜 🕸 🔗**, 👫 💪 ▶️ **🇺🇸🔍 📻**.
+
+, 👩💻 📨 **🇺🇸🔍 📨**. 👉 🇺🇸🔍 📨 🔘 🗜 🤝 🔗.
+
+<img src="/img/deployment/https/https04.svg">
+
+### 🗜 📨
+
+🤝 ❎ 🗳 🔜 ⚙️ 🔐 ✔ **🗜 📨**, & 🔜 📶 **✅ (🗜) 🇺🇸🔍 📨** 🛠️ 🏃 🈸 (🖼 🛠️ ⏮️ Uvicorn 🏃♂ FastAPI 🈸).
+
+<img src="/img/deployment/https/https05.svg">
+
+### 🇺🇸🔍 📨
+
+🈸 🔜 🛠️ 📨 & 📨 **✅ (💽) 🇺🇸🔍 📨** 🤝 ❎ 🗳.
+
+<img src="/img/deployment/https/https06.svg">
+
+### 🇺🇸🔍 📨
+
+🤝 ❎ 🗳 🔜 ⤴️ **🗜 📨** ⚙️ ⚛ ✔ ⏭ (👈 ▶️ ⏮️ 📄 `someapp.example.com`), & 📨 ⚫️ 🔙 🖥.
+
+⏭, 🖥 🔜 ✔ 👈 📨 ☑ & 🗜 ⏮️ ▶️️ 🔐 🔑, ♒️. ⚫️ 🔜 ⤴️ **🗜 📨** & 🛠️ ⚫️.
+
+<img src="/img/deployment/https/https07.svg">
+
+👩💻 (🖥) 🔜 💭 👈 📨 👟 ⚪️➡️ ☑ 💽 ↩️ ⚫️ ⚙️ ⚛ 👫 ✔ ⚙️ **🇺🇸🔍 📄** ⏭.
+
+### 💗 🈸
+
+🎏 💽 (⚖️ 💽), 📤 💪 **💗 🈸**, 🖼, 🎏 🛠️ 📋 ⚖️ 💽.
+
+🕴 1️⃣ 🛠️ 💪 🚚 🎯 📢 & ⛴ (🤝 ❎ 🗳 👆 🖼) ✋️ 🎏 🈸/🛠️ 💪 🏃 🔛 💽(Ⓜ) 💁♂️, 📏 👫 🚫 🔄 ⚙️ 🎏 **🌀 📢 📢 & ⛴**.
+
+<img src="/img/deployment/https/https08.svg">
+
+👈 🌌, 🤝 ❎ 🗳 💪 🍵 🇺🇸🔍 & 📄 **💗 🆔**, 💗 🈸, & ⤴️ 📶 📨 ▶️️ 🈸 🔠 💼.
+
+### 📄 🔕
+
+☝ 🔮, 🔠 📄 🔜 **🕛** (🔃 3️⃣ 🗓️ ⏮️ 🏗 ⚫️).
+
+& ⤴️, 📤 🔜 ➕1️⃣ 📋 (💼 ⚫️ ➕1️⃣ 📋, 💼 ⚫️ 💪 🎏 🤝 ❎ 🗳) 👈 🔜 💬 ➡️ 🗜, & ♻ 📄(Ⓜ).
+
+<img src="/img/deployment/https/https.svg">
+
+**🤝 📄** **🔗 ⏮️ 🆔 📛**, 🚫 ⏮️ 📢 📢.
+
+, ♻ 📄, 🔕 📋 💪 **🎦** 🛃 (➡️ 🗜) 👈 ⚫️ 👐 **"👍" & 🎛 👈 🆔**.
+
+👈, & 🏗 🎏 🈸 💪, 📤 📚 🌌 ⚫️ 💪 ⚫️. 🌟 🌌:
+
+* **🔀 🏓 ⏺**.
+ * 👉, 🔕 📋 💪 🐕🦺 🔗 🏓 🐕🦺,, ⚓️ 🔛 🏓 🐕🦺 👆 ⚙️, 👉 5️⃣📆 ⚖️ 💪 🚫 🎛.
+* **🏃 💽** (🌘 ⏮️ 📄 🛠️ 🛠️) 🔛 📢 📢 📢 🔗 ⏮️ 🆔.
+ * 👥 💬 🔛, 🕴 1️⃣ 🛠️ 💪 👂 🔛 🎯 📢 & ⛴.
+ * 👉 1️⃣ 🤔 ⚫️❔ ⚫️ 📶 ⚠ 🕐❔ 🎏 🤝 ❎ 🗳 ✊ 💅 📄 🔕 🛠️.
+ * ⏪, 👆 💪 ✔️ ⛔️ 🤝 ❎ 🗳 😖, ▶️ 🔕 📋 📎 📄, ⤴️ 🔗 👫 ⏮️ 🤝 ❎ 🗳, & ⤴️ ⏏ 🤝 ❎ 🗳. 👉 🚫 💯, 👆 📱(Ⓜ) 🔜 🚫 💪 ⏮️ 🕰 👈 🤝 ❎ 🗳 📆.
+
+🌐 👉 🔕 🛠️, ⏪ 🍦 📱, 1️⃣ 👑 🤔 ⚫️❔ 👆 🔜 💚 ✔️ **🎏 ⚙️ 🍵 🇺🇸🔍** ⏮️ 🤝 ❎ 🗳 ↩️ ⚙️ 🤝 📄 ⏮️ 🈸 💽 🔗 (✅ Uvicorn).
+
+## 🌃
+
+✔️ **🇺🇸🔍** 📶 ⚠, & **🎯** 🏆 💼. 🌅 🎯 👆 👩💻 ✔️ 🚮 🤭 🇺🇸🔍 🔃 **🤔 👉 🔧** & ❔ 👫 👷.
+
+✋️ 🕐 👆 💭 🔰 ℹ **🇺🇸🔍 👩💻** 👆 💪 💪 🌀 & 🔗 🎏 🧰 ℹ 👆 🛠️ 🌐 🙅 🌌.
+
+⏭ 📃, 👤 🔜 🎦 👆 📚 🧱 🖼 ❔ ⚒ 🆙 **🇺🇸🔍** **FastAPI** 🈸. 👶
--- /dev/null
+# 🛠️ - 🎶
+
+🛠️ **FastAPI** 🈸 📶 ⏩.
+
+## ⚫️❔ 🔨 🛠️ ⛓
+
+**🛠️** 🈸 ⛓ 🎭 💪 📶 ⚒ ⚫️ **💪 👩💻**.
+
+**🕸 🛠️**, ⚫️ 🛎 🔌 🚮 ⚫️ **🛰 🎰**, ⏮️ **💽 📋** 👈 🚚 👍 🎭, ⚖, ♒️, 👈 👆 **👩💻** 💪 **🔐** 🈸 ♻ & 🍵 🔁 ⚖️ ⚠.
+
+👉 🔅 **🛠️** ▶️, 🌐❔ 👆 🕧 🔀 📟, 💔 ⚫️ & ♻ ⚫️, ⛔️ & 🔁 🛠️ 💽, ♒️.
+
+## 🛠️ 🎛
+
+📤 📚 🌌 ⚫️ ⚓️ 🔛 👆 🎯 ⚙️ 💼 & 🧰 👈 👆 ⚙️.
+
+👆 💪 **🛠️ 💽** 👆 ⚙️ 🌀 🧰, 👆 💪 ⚙️ **☁ 🐕🦺** 👈 🔨 🍕 👷 👆, ⚖️ 🎏 💪 🎛.
+
+👤 🔜 🎦 👆 👑 🔧 👆 🔜 🎲 ✔️ 🤯 🕐❔ 🛠️ **FastAPI** 🈸 (👐 🌅 ⚫️ ✔ 🙆 🎏 🆎 🕸 🈸).
+
+👆 🔜 👀 🌖 ℹ ✔️ 🤯 & ⚒ ⚫️ ⏭ 📄. 👶
--- /dev/null
+# 🏃 💽 ❎ - Uvicorn
+
+👑 👜 👆 💪 🏃 **FastAPI** 🈸 🛰 💽 🎰 🔫 💽 📋 💖 **Uvicorn**.
+
+📤 3️⃣ 👑 🎛:
+
+* <a href="https://www.uvicorn.org/" class="external-link" target="_blank">Uvicorn</a>: ↕ 🎭 🔫 💽.
+* <a href="https://pgjones.gitlab.io/hypercorn/" class="external-link" target="_blank">Hypercorn</a>: 🔫 💽 🔗 ⏮️ 🇺🇸🔍/2️⃣ & 🎻 👪 🎏 ⚒.
+* <a href="https://github.com/django/daphne" class="external-link" target="_blank">👸</a>: 🔫 💽 🏗 ✳ 📻.
+
+## 💽 🎰 & 💽 📋
+
+📤 🤪 ℹ 🔃 📛 ✔️ 🤯. 👶
+
+🔤 "**💽**" 🛎 ⚙️ 🔗 👯♂️ 🛰/☁ 💻 (⚛ ⚖️ 🕹 🎰) & 📋 👈 🏃♂ 🔛 👈 🎰 (✅ Uvicorn).
+
+✔️ 👈 🤯 🕐❔ 👆 ✍ "💽" 🏢, ⚫️ 💪 🔗 1️⃣ 📚 2️⃣ 👜.
+
+🕐❔ 🔗 🛰 🎰, ⚫️ ⚠ 🤙 ⚫️ **💽**, ✋️ **🎰**, **💾** (🕹 🎰), **🕸**. 👈 🌐 🔗 🆎 🛰 🎰, 🛎 🏃♂ 💾, 🌐❔ 👆 🏃 📋.
+
+## ❎ 💽 📋
+
+👆 💪 ❎ 🔫 🔗 💽 ⏮️:
+
+=== "Uvicorn"
+
+ * <a href="https://www.uvicorn.org/" class="external-link" target="_blank">Uvicorn</a>, 🌩-⏩ 🔫 💽, 🏗 🔛 uvloop & httptool.
+
+ <div class="termy">
+
+ ```console
+ $ pip install "uvicorn[standard]"
+
+ ---> 100%
+ ```
+
+ </div>
+
+ !!! tip
+ ❎ `standard`, Uvicorn 🔜 ❎ & ⚙️ 👍 ➕ 🔗.
+
+ 👈 ✅ `uvloop`, ↕-🎭 💧-♻ `asyncio`, 👈 🚚 🦏 🛠️ 🎭 📈.
+
+=== "Hypercorn"
+
+ * <a href="https://gitlab.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>, 🔫 💽 🔗 ⏮️ 🇺🇸🔍/2️⃣.
+
+ <div class="termy">
+
+ ```console
+ $ pip install hypercorn
+
+ ---> 100%
+ ```
+
+ </div>
+
+ ...⚖️ 🙆 🎏 🔫 💽.
+
+## 🏃 💽 📋
+
+👆 💪 ⤴️ 🏃 👆 🈸 🎏 🌌 👆 ✔️ ⌛ 🔰, ✋️ 🍵 `--reload` 🎛, ✅:
+
+=== "Uvicorn"
+
+ <div class="termy">
+
+ ```console
+ $ uvicorn main:app --host 0.0.0.0 --port 80
+
+ <span style="color: green;">INFO</span>: Uvicorn running on http://0.0.0.0:80 (Press CTRL+C to quit)
+ ```
+
+ </div>
+
+=== "Hypercorn"
+
+ <div class="termy">
+
+ ```console
+ $ hypercorn main:app --bind 0.0.0.0:80
+
+ Running on 0.0.0.0:8080 over http (CTRL + C to quit)
+ ```
+
+ </div>
+
+!!! warning
+ 💭 ❎ `--reload` 🎛 🚥 👆 ⚙️ ⚫️.
+
+ `--reload` 🎛 🍴 🌅 🌅 ℹ, 🌅 ⚠, ♒️.
+
+ ⚫️ ℹ 📚 ⏮️ **🛠️**, ✋️ 👆 **🚫🔜 🚫** ⚙️ ⚫️ **🏭**.
+
+## Hypercorn ⏮️ 🎻
+
+💃 & **FastAPI** ⚓️ 🔛 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>, ❔ ⚒ 👫 🔗 ⏮️ 👯♂️ 🐍 🐩 🗃 <a href="https://docs.python.org/3/library/asyncio-task.html" class="external-link" target="_blank">✳</a> & <a href="https://trio.readthedocs.io/en/stable/" class="external-link" target="_blank">🎻</a>.
+
+👐, Uvicorn ⏳ 🕴 🔗 ⏮️ ✳, & ⚫️ 🛎 ⚙️ <a href="https://github.com/MagicStack/uvloop" class="external-link" target="_blank">`uvloop`</a>, ↕-🎭 💧-♻ `asyncio`.
+
+✋️ 🚥 👆 💚 🔗 ⚙️ **🎻**, ⤴️ 👆 💪 ⚙️ **Hypercorn** ⚫️ 🐕🦺 ⚫️. 👶
+
+### ❎ Hypercorn ⏮️ 🎻
+
+🥇 👆 💪 ❎ Hypercorn ⏮️ 🎻 🐕🦺:
+
+<div class="termy">
+
+```console
+$ pip install "hypercorn[trio]"
+---> 100%
+```
+
+</div>
+
+### 🏃 ⏮️ 🎻
+
+⤴️ 👆 💪 🚶♀️ 📋 ⏸ 🎛 `--worker-class` ⏮️ 💲 `trio`:
+
+<div class="termy">
+
+```console
+$ hypercorn main:app --worker-class trio
+```
+
+</div>
+
+& 👈 🔜 ▶️ Hypercorn ⏮️ 👆 📱 ⚙️ 🎻 👩💻.
+
+🔜 👆 💪 ⚙️ 🎻 🔘 👆 📱. ⚖️ 👍, 👆 💪 ⚙️ AnyIO, 🚧 👆 📟 🔗 ⏮️ 👯♂️ 🎻 & ✳. 👶
+
+## 🛠️ 🔧
+
+👫 🖼 🏃 💽 📋 (📧.Ⓜ Uvicorn), ▶️ **👁 🛠️**, 👂 🔛 🌐 📢 (`0.0.0.0`) 🔛 🔁 ⛴ (✅ `80`).
+
+👉 🔰 💭. ✋️ 👆 🔜 🎲 💚 ✊ 💅 🌖 👜, 💖:
+
+* 💂♂ - 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* 🧬 (🔢 🛠️ 🏃)
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+👤 🔜 💬 👆 🌅 🔃 🔠 👫 🔧, ❔ 💭 🔃 👫, & 🧱 🖼 ⏮️ 🎛 🍵 👫 ⏭ 📃. 👶
--- /dev/null
+# 💽 👨🏭 - 🐁 ⏮️ Uvicorn
+
+➡️ ✅ 🔙 👈 🛠️ 🔧 ⚪️➡️ ⏭:
+
+* 💂♂ - 🇺🇸🔍
+* 🏃♂ 🔛 🕴
+* ⏏
+* **🧬 (🔢 🛠️ 🏃)**
+* 💾
+* ⏮️ 🔁 ⏭ ▶️
+
+🆙 👉 ☝, ⏮️ 🌐 🔰 🩺, 👆 ✔️ 🎲 🏃♂ **💽 📋** 💖 Uvicorn, 🏃♂ **👁 🛠️**.
+
+🕐❔ 🛠️ 🈸 👆 🔜 🎲 💚 ✔️ **🧬 🛠️** ✊ 📈 **💗 🐚** & 💪 🍵 🌅 📨.
+
+👆 👀 ⏮️ 📃 🔃 [🛠️ 🔧](./concepts.md){.internal-link target=_blank}, 📤 💗 🎛 👆 💪 ⚙️.
+
+📥 👤 🔜 🎦 👆 ❔ ⚙️ <a href="https://gunicorn.org/" class="external-link" target="_blank">**🐁**</a> ⏮️ **Uvicorn 👨🏭 🛠️**.
+
+!!! info
+ 🚥 👆 ⚙️ 📦, 🖼 ⏮️ ☁ ⚖️ Kubernete, 👤 🔜 💬 👆 🌅 🔃 👈 ⏭ 📃: [FastAPI 📦 - ☁](./docker.md){.internal-link target=_blank}.
+
+ 🎯, 🕐❔ 🏃 🔛 **Kubernete** 👆 🔜 🎲 **🚫** 💚 ⚙️ 🐁 & ↩️ 🏃 **👁 Uvicorn 🛠️ 📍 📦**, ✋️ 👤 🔜 💬 👆 🔃 ⚫️ ⏪ 👈 📃.
+
+## 🐁 ⏮️ Uvicorn 👨🏭
+
+**🐁** ✴️ 🈸 💽 ⚙️ **🇨🇻 🐩**. 👈 ⛓ 👈 🐁 💪 🍦 🈸 💖 🏺 & ✳. 🐁 ⚫️ 🚫 🔗 ⏮️ **FastAPI**, FastAPI ⚙️ 🆕 **<a href="https://asgi.readthedocs.io/en/latest/" class="external-link" target="_blank">🔫 🐩</a>**.
+
+✋️ 🐁 🐕🦺 👷 **🛠️ 👨💼** & 🤝 👩💻 💬 ⚫️ ❔ 🎯 **👨🏭 🛠️ 🎓** ⚙️. ⤴️ 🐁 🔜 ▶️ 1️⃣ ⚖️ 🌖 **👨🏭 🛠️** ⚙️ 👈 🎓.
+
+& **Uvicorn** ✔️ **🐁-🔗 👨🏭 🎓**.
+
+⚙️ 👈 🌀, 🐁 🔜 🚫 **🛠️ 👨💼**, 👂 🔛 **⛴** & **📢**. & ⚫️ 🔜 **📶** 📻 👨🏭 🛠️ 🏃 **Uvicorn 🎓**.
+
+& ⤴️ 🐁-🔗 **Uvicorn 👨🏭** 🎓 🔜 🈚 🏭 📊 📨 🐁 🔫 🐩 FastAPI ⚙️ ⚫️.
+
+## ❎ 🐁 & Uvicorn
+
+<div class="termy">
+
+```console
+$ pip install "uvicorn[standard]" gunicorn
+
+---> 100%
+```
+
+</div>
+
+👈 🔜 ❎ 👯♂️ Uvicorn ⏮️ `standard` ➕ 📦 (🤚 ↕ 🎭) & 🐁.
+
+## 🏃 🐁 ⏮️ Uvicorn 👨🏭
+
+⤴️ 👆 💪 🏃 🐁 ⏮️:
+
+<div class="termy">
+
+```console
+$ gunicorn main:app --workers 4 --worker-class uvicorn.workers.UvicornWorker --bind 0.0.0.0:80
+
+[19499] [INFO] Starting gunicorn 20.1.0
+[19499] [INFO] Listening at: http://0.0.0.0:80 (19499)
+[19499] [INFO] Using worker: uvicorn.workers.UvicornWorker
+[19511] [INFO] Booting worker with pid: 19511
+[19513] [INFO] Booting worker with pid: 19513
+[19514] [INFO] Booting worker with pid: 19514
+[19515] [INFO] Booting worker with pid: 19515
+[19511] [INFO] Started server process [19511]
+[19511] [INFO] Waiting for application startup.
+[19511] [INFO] Application startup complete.
+[19513] [INFO] Started server process [19513]
+[19513] [INFO] Waiting for application startup.
+[19513] [INFO] Application startup complete.
+[19514] [INFO] Started server process [19514]
+[19514] [INFO] Waiting for application startup.
+[19514] [INFO] Application startup complete.
+[19515] [INFO] Started server process [19515]
+[19515] [INFO] Waiting for application startup.
+[19515] [INFO] Application startup complete.
+```
+
+</div>
+
+➡️ 👀 ⚫️❔ 🔠 👈 🎛 ⛓:
+
+* `main:app`: 👉 🎏 ❕ ⚙️ Uvicorn, `main` ⛓ 🐍 🕹 📛 "`main`",, 📁 `main.py`. & `app` 📛 🔢 👈 **FastAPI** 🈸.
+ * 👆 💪 🌈 👈 `main:app` 🌓 🐍 `import` 📄 💖:
+
+ ```Python
+ from main import app
+ ```
+
+ * , ❤ `main:app` 🔜 🌓 🐍 `import` 🍕 `from main import app`.
+* `--workers`: 🔢 👨🏭 🛠️ ⚙️, 🔠 🔜 🏃 Uvicorn 👨🏭, 👉 💼, 4️⃣ 👨🏭.
+* `--worker-class`: 🐁-🔗 👨🏭 🎓 ⚙️ 👨🏭 🛠️.
+ * 📥 👥 🚶♀️ 🎓 👈 🐁 💪 🗄 & ⚙️ ⏮️:
+
+ ```Python
+ import uvicorn.workers.UvicornWorker
+ ```
+
+* `--bind`: 👉 💬 🐁 📢 & ⛴ 👂, ⚙️ ❤ (`:`) 🎏 📢 & ⛴.
+ * 🚥 👆 🏃♂ Uvicorn 🔗, ↩️ `--bind 0.0.0.0:80` (🐁 🎛) 👆 🔜 ⚙️ `--host 0.0.0.0` & `--port 80`.
+
+🔢, 👆 💪 👀 👈 ⚫️ 🎦 **🕹** (🛠️ 🆔) 🔠 🛠️ (⚫️ 🔢).
+
+👆 💪 👀 👈:
+
+* 🐁 **🛠️ 👨💼** ▶️ ⏮️ 🕹 `19499` (👆 💼 ⚫️ 🔜 🎏 🔢).
+* ⤴️ ⚫️ ▶️ `Listening at: http://0.0.0.0:80`.
+* ⤴️ ⚫️ 🔍 👈 ⚫️ ✔️ ⚙️ 👨🏭 🎓 `uvicorn.workers.UvicornWorker`.
+* & ⤴️ ⚫️ ▶️ **4️⃣ 👨🏭**, 🔠 ⏮️ 🚮 👍 🕹: `19511`, `19513`, `19514`, & `19515`.
+
+🐁 🔜 ✊ 💅 🛠️ **☠️ 🛠️** & **🔁** 🆕 🕐 🚥 💚 🚧 🔢 👨🏭. 👈 ℹ 🍕 ⏮️ **⏏** 🔧 ⚪️➡️ 📇 🔛.
+
+👐, 👆 🔜 🎲 💚 ✔️ 🕳 🏞 ⚒ 💭 **⏏ 🐁** 🚥 💪, & **🏃 ⚫️ 🔛 🕴**, ♒️.
+
+## Uvicorn ⏮️ 👨🏭
+
+Uvicorn ✔️ 🎛 ▶️ & 🏃 📚 **👨🏭 🛠️**.
+
+👐, 🔜, Uvicorn 🛠️ 🚚 👨🏭 🛠️ 🌅 📉 🌘 🐁. , 🚥 👆 💚 ✔️ 🛠️ 👨💼 👉 🎚 (🐍 🎚), ⤴️ ⚫️ 💪 👍 🔄 ⏮️ 🐁 🛠️ 👨💼.
+
+🙆 💼, 👆 🔜 🏃 ⚫️ 💖 👉:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --host 0.0.0.0 --port 8080 --workers 4
+<font color="#A6E22E">INFO</font>: Uvicorn running on <b>http://0.0.0.0:8080</b> (Press CTRL+C to quit)
+<font color="#A6E22E">INFO</font>: Started parent process [<font color="#A1EFE4"><b>27365</b></font>]
+<font color="#A6E22E">INFO</font>: Started server process [<font color="#A1EFE4">27368</font>]
+<font color="#A6E22E">INFO</font>: Waiting for application startup.
+<font color="#A6E22E">INFO</font>: Application startup complete.
+<font color="#A6E22E">INFO</font>: Started server process [<font color="#A1EFE4">27369</font>]
+<font color="#A6E22E">INFO</font>: Waiting for application startup.
+<font color="#A6E22E">INFO</font>: Application startup complete.
+<font color="#A6E22E">INFO</font>: Started server process [<font color="#A1EFE4">27370</font>]
+<font color="#A6E22E">INFO</font>: Waiting for application startup.
+<font color="#A6E22E">INFO</font>: Application startup complete.
+<font color="#A6E22E">INFO</font>: Started server process [<font color="#A1EFE4">27367</font>]
+<font color="#A6E22E">INFO</font>: Waiting for application startup.
+<font color="#A6E22E">INFO</font>: Application startup complete.
+```
+
+</div>
+
+🕴 🆕 🎛 📥 `--workers` 💬 Uvicorn ▶️ 4️⃣ 👨🏭 🛠️.
+
+👆 💪 👀 👈 ⚫️ 🎦 **🕹** 🔠 🛠️, `27365` 👪 🛠️ (👉 **🛠️ 👨💼**) & 1️⃣ 🔠 👨🏭 🛠️: `27368`, `27369`, `27370`, & `27367`.
+
+## 🛠️ 🔧
+
+📥 👆 👀 ❔ ⚙️ **🐁** (⚖️ Uvicorn) 🛠️ **Uvicorn 👨🏭 🛠️** **🔁** 🛠️ 🈸, ✊ 📈 **💗 🐚** 💽, & 💪 🍦 **🌅 📨**.
+
+⚪️➡️ 📇 🛠️ 🔧 ⚪️➡️ 🔛, ⚙️ 👨🏭 🔜 ✴️ ℹ ⏮️ **🧬** 🍕, & 🐥 🍖 ⏮️ **⏏**, ✋️ 👆 💪 ✊ 💅 🎏:
+
+* **💂♂ - 🇺🇸🔍**
+* **🏃♂ 🔛 🕴**
+* ***⏏***
+* 🧬 (🔢 🛠️ 🏃)
+* **💾**
+* **⏮️ 🔁 ⏭ ▶️**
+
+## 📦 & ☁
+
+⏭ 📃 🔃 [FastAPI 📦 - ☁](./docker.md){.internal-link target=_blank} 👤 🔜 💬 🎛 👆 💪 ⚙️ 🍵 🎏 **🛠️ 🔧**.
+
+👤 🔜 🎦 👆 **🛂 ☁ 🖼** 👈 🔌 **🐁 ⏮️ Uvicorn 👨🏭** & 🔢 📳 👈 💪 ⚠ 🙅 💼.
+
+📤 👤 🔜 🎦 👆 ❔ **🏗 👆 👍 🖼 ⚪️➡️ 🖌** 🏃 👁 Uvicorn 🛠️ (🍵 🐁). ⚫️ 🙅 🛠️ & 🎲 ⚫️❔ 👆 🔜 💚 🕐❔ ⚙️ 📎 📦 🧾 ⚙️ 💖 **Kubernete**.
+
+## 🌃
+
+👆 💪 ⚙️ **🐁** (⚖️ Uvicorn) 🛠️ 👨💼 ⏮️ Uvicorn 👨🏭 ✊ 📈 **👁-🐚 💽**, 🏃 **💗 🛠️ 🔗**.
+
+👆 💪 ⚙️ 👉 🧰 & 💭 🚥 👆 ⚒ 🆙 **👆 👍 🛠️ ⚙️** ⏪ ✊ 💅 🎏 🛠️ 🔧 👆.
+
+✅ 👅 ⏭ 📃 💡 🔃 **FastAPI** ⏮️ 📦 (✅ ☁ & Kubernete). 👆 🔜 👀 👈 👈 🧰 ✔️ 🙅 🌌 ❎ 🎏 **🛠️ 🔧** 👍. 👶
--- /dev/null
+# 🔃 FastAPI ⏬
+
+**FastAPI** ⏪ ➖ ⚙️ 🏭 📚 🈸 & ⚙️. & 💯 💰 🚧 1️⃣0️⃣0️⃣ 💯. ✋️ 🚮 🛠️ 🚚 🔜.
+
+🆕 ⚒ 🚮 🛎, 🐛 🔧 🛎, & 📟 🔁 📉.
+
+👈 ⚫️❔ ⏮️ ⏬ `0.x.x`, 👉 🎨 👈 🔠 ⏬ 💪 ⚠ ✔️ 💔 🔀. 👉 ⏩ <a href="https://semver.org/" class="external-link" target="_blank">⚛ 🛠️</a> 🏛.
+
+👆 💪 ✍ 🏭 🈸 ⏮️ **FastAPI** ▶️️ 🔜 (& 👆 ✔️ 🎲 🔨 ⚫️ 🕰), 👆 ✔️ ⚒ 💭 👈 👆 ⚙️ ⏬ 👈 👷 ☑ ⏮️ 🎂 👆 📟.
+
+## 📌 👆 `fastapi` ⏬
+
+🥇 👜 👆 🔜 "📌" ⏬ **FastAPI** 👆 ⚙️ 🎯 📰 ⏬ 👈 👆 💭 👷 ☑ 👆 🈸.
+
+🖼, ➡️ 💬 👆 ⚙️ ⏬ `0.45.0` 👆 📱.
+
+🚥 👆 ⚙️ `requirements.txt` 📁 👆 💪 ✔ ⏬ ⏮️:
+
+```txt
+fastapi==0.45.0
+```
+
+👈 🔜 ⛓ 👈 👆 🔜 ⚙️ ⚫️❔ ⏬ `0.45.0`.
+
+⚖️ 👆 💪 📌 ⚫️ ⏮️:
+
+```txt
+fastapi>=0.45.0,<0.46.0
+```
+
+👈 🔜 ⛓ 👈 👆 🔜 ⚙️ ⏬ `0.45.0` ⚖️ 🔛, ✋️ 🌘 🌘 `0.46.0`, 🖼, ⏬ `0.45.2` 🔜 🚫.
+
+🚥 👆 ⚙️ 🙆 🎏 🧰 🛠️ 👆 👷♂, 💖 🎶, Pipenv, ⚖️ 🎏, 👫 🌐 ✔️ 🌌 👈 👆 💪 ⚙️ 🔬 🎯 ⏬ 👆 📦.
+
+## 💪 ⏬
+
+👆 💪 👀 💪 ⏬ (✅ ✅ ⚫️❔ ⏮️ 📰) [🚀 🗒](../release-notes.md){.internal-link target=_blank}.
+
+## 🔃 ⏬
+
+📄 ⚛ 🛠️ 🏛, 🙆 ⏬ 🔛 `1.0.0` 💪 ⚠ 🚮 💔 🔀.
+
+FastAPI ⏩ 🏛 👈 🙆 "🐛" ⏬ 🔀 🐛 🔧 & 🚫-💔 🔀.
+
+!!! tip
+ "🐛" 🏁 🔢, 🖼, `0.2.3`, 🐛 ⏬ `3`.
+
+, 👆 🔜 💪 📌 ⏬ 💖:
+
+```txt
+fastapi>=0.45.0,<0.46.0
+```
+
+💔 🔀 & 🆕 ⚒ 🚮 "🇺🇲" ⏬.
+
+!!! tip
+ "🇺🇲" 🔢 🖕, 🖼, `0.2.3`, 🇺🇲 ⏬ `2`.
+
+## ♻ FastAPI ⏬
+
+👆 🔜 🚮 💯 👆 📱.
+
+⏮️ **FastAPI** ⚫️ 📶 ⏩ (👏 💃), ✅ 🩺: [🔬](../tutorial/testing.md){.internal-link target=_blank}
+
+⏮️ 👆 ✔️ 💯, ⤴️ 👆 💪 ♻ **FastAPI** ⏬ 🌖 ⏮️ 1️⃣, & ⚒ 💭 👈 🌐 👆 📟 👷 ☑ 🏃 👆 💯.
+
+🚥 🌐 👷, ⚖️ ⏮️ 👆 ⚒ 💪 🔀, & 🌐 👆 💯 🚶♀️, ⤴️ 👆 💪 📌 👆 `fastapi` 👈 🆕 ⏮️ ⏬.
+
+## 🔃 💃
+
+👆 🚫🔜 🚫 📌 ⏬ `starlette`.
+
+🎏 ⏬ **FastAPI** 🔜 ⚙️ 🎯 🆕 ⏬ 💃.
+
+, 👆 💪 ➡️ **FastAPI** ⚙️ ☑ 💃 ⏬.
+
+## 🔃 Pydantic
+
+Pydantic 🔌 💯 **FastAPI** ⏮️ 🚮 👍 💯, 🆕 ⏬ Pydantic (🔛 `1.0.0`) 🕧 🔗 ⏮️ FastAPI.
+
+👆 💪 📌 Pydantic 🙆 ⏬ 🔛 `1.0.0` 👈 👷 👆 & 🔛 `2.0.0`.
+
+🖼:
+
+```txt
+pydantic>=1.2.0,<2.0.0
+```
--- /dev/null
+# 🔢 🔗 & 📄
+
+**FastAPI** ✔️ 👑 👪 🕧 💗.
+
+📤 📚 🏤, 📄, 🧰, & 🏗, 🔗 **FastAPI**.
+
+📥 ❌ 📇 👫.
+
+!!! tip
+ 🚥 👆 ✔️ 📄, 🏗, 🧰, ⚖️ 🕳 🔗 **FastAPI** 👈 🚫 📇 📥, ✍ <a href="https://github.com/tiangolo/fastapi/edit/master/docs/en/data/external_links.yml" class="external-link" target="_blank">🚲 📨 ❎ ⚫️</a>.
+
+## 📄
+
+### 🇪🇸
+
+{% if external_links %}
+{% for article in external_links.articles.english %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+### 🇯🇵
+
+{% if external_links %}
+{% for article in external_links.articles.japanese %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+### 🇻🇳
+
+{% if external_links %}
+{% for article in external_links.articles.vietnamese %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+### 🇷🇺
+
+{% if external_links %}
+{% for article in external_links.articles.russian %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+### 🇩🇪
+
+{% if external_links %}
+{% for article in external_links.articles.german %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+### 🇹🇼
+
+{% if external_links %}
+{% for article in external_links.articles.taiwanese %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+## 📻
+
+{% if external_links %}
+{% for article in external_links.podcasts.english %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+## 💬
+
+{% if external_links %}
+{% for article in external_links.talks.english %}
+
+* <a href="{{ article.link }}" class="external-link" target="_blank">{{ article.title }}</a> <a href="{{ article.author_link }}" class="external-link" target="_blank">{{ article.author }}</a>.
+{% endfor %}
+{% endif %}
+
+## 🏗
+
+⏪ 📂 🏗 ⏮️ ❔ `fastapi`:
+
+<div class="github-topic-projects">
+</div>
--- /dev/null
+# FastAPI 👫👫
+
+FastAPI ✔️ 🎆 👪 👈 🙋 👫👫 ⚪️➡️ 🌐 🖥.
+
+## 👼 - 🐛
+
+🙋 ❗ 👶
+
+👉 👤:
+
+{% if people %}
+<div class="user-list user-list-center">
+{% for user in people.maintainers %}
+
+<div class="user"><a href="{{ user.url }}" target="_blank"><div class="avatar-wrapper"><img src="{{ user.avatarUrl }}"/></div><div class="title">@{{ user.login }}</div></a> <div class="count">❔: {{ user.answers }}</div><div class="count">🚲 📨: {{ user.prs }}</div></div>
+{% endfor %}
+
+</div>
+{% endif %}
+
+👤 👼 & 🐛 **FastAPI**. 👆 💪 ✍ 🌅 🔃 👈 [ℹ FastAPI - 🤚 ℹ - 🔗 ⏮️ 📕](help-fastapi.md#connect-with-the-author){.internal-link target=_blank}.
+
+...✋️ 📥 👤 💚 🎦 👆 👪.
+
+---
+
+**FastAPI** 📨 📚 🐕🦺 ⚪️➡️ 👪. & 👤 💚 🎦 👫 💰.
+
+👫 👫👫 👈:
+
+* [ℹ 🎏 ⏮️ ❔ 📂](help-fastapi.md#help-others-with-questions-in-github){.internal-link target=_blank}.
+* [✍ 🚲 📨](help-fastapi.md#create-a-pull-request){.internal-link target=_blank}.
+* 📄 🚲 📨, [✴️ ⚠ ✍](contributing.md#translations){.internal-link target=_blank}.
+
+👏 👫. 👶 👶
+
+## 🌅 🦁 👩💻 🏁 🗓️
+
+👫 👩💻 👈 ✔️ [🤝 🎏 🏆 ⏮️ ❔ 📂](help-fastapi.md#help-others-with-questions-in-github){.internal-link target=_blank} ⏮️ 🏁 🗓️. 👶
+
+{% if people %}
+<div class="user-list user-list-center">
+{% for user in people.last_month_active %}
+
+<div class="user"><a href="{{ user.url }}" target="_blank"><div class="avatar-wrapper"><img src="{{ user.avatarUrl }}"/></div><div class="title">@{{ user.login }}</div></a> <div class="count">❔ 📨: {{ user.count }}</div></div>
+{% endfor %}
+
+</div>
+{% endif %}
+
+## 🕴
+
+📥 **FastAPI 🕴**. 👶
+
+👫 👩💻 👈 ✔️ [ℹ 🎏 🏆 ⏮️ ❔ 📂](help-fastapi.md#help-others-with-questions-in-github){.internal-link target=_blank} 🔘 *🌐 🕰*.
+
+👫 ✔️ 🎦 🕴 🤝 📚 🎏. 👶
+
+{% if people %}
+<div class="user-list user-list-center">
+{% for user in people.experts %}
+
+<div class="user"><a href="{{ user.url }}" target="_blank"><div class="avatar-wrapper"><img src="{{ user.avatarUrl }}"/></div><div class="title">@{{ user.login }}</div></a> <div class="count">❔ 📨: {{ user.count }}</div></div>
+{% endfor %}
+
+</div>
+{% endif %}
+
+## 🔝 👨🔬
+
+📥 **🔝 👨🔬**. 👶
+
+👉 👩💻 ✔️ [✍ 🏆 🚲 📨](help-fastapi.md#create-a-pull-request){.internal-link target=_blank} 👈 ✔️ *🔗*.
+
+👫 ✔️ 📉 ℹ 📟, 🧾, ✍, ♒️. 👶
+
+{% if people %}
+<div class="user-list user-list-center">
+{% for user in people.top_contributors %}
+
+<div class="user"><a href="{{ user.url }}" target="_blank"><div class="avatar-wrapper"><img src="{{ user.avatarUrl }}"/></div><div class="title">@{{ user.login }}</div></a> <div class="count">🚲 📨: {{ user.count }}</div></div>
+{% endfor %}
+
+</div>
+{% endif %}
+
+📤 📚 🎏 👨🔬 (🌅 🌘 💯), 👆 💪 👀 👫 🌐 <a href="https://github.com/tiangolo/fastapi/graphs/contributors" class="external-link" target="_blank">FastAPI 📂 👨🔬 📃</a>. 👶
+
+## 🔝 👨🔬
+
+👫 👩💻 **🔝 👨🔬**. 👶 👶
+
+### 📄 ✍
+
+👤 🕴 💬 👩❤👨 🇪🇸 (& 🚫 📶 👍 👶). , 👨🔬 🕐 👈 ✔️ [**🏋️ ✔ ✍**](contributing.md#translations){.internal-link target=_blank} 🧾. 🍵 👫, 📤 🚫🔜 🧾 📚 🎏 🇪🇸.
+
+---
+
+**🔝 👨🔬** 👶 👶 ✔️ 📄 🏆 🚲 📨 ⚪️➡️ 🎏, 🚚 🔆 📟, 🧾, & ✴️, **✍**.
+
+{% if people %}
+<div class="user-list user-list-center">
+{% for user in people.top_reviewers %}
+
+<div class="user"><a href="{{ user.url }}" target="_blank"><div class="avatar-wrapper"><img src="{{ user.avatarUrl }}"/></div><div class="title">@{{ user.login }}</div></a> <div class="count">📄: {{ user.count }}</div></div>
+{% endfor %}
+
+</div>
+{% endif %}
+
+## 💰
+
+👫 **💰**. 👶
+
+👫 🔗 👇 👷 ⏮️ **FastAPI** (& 🎏), ✴️ 🔘 <a href="https://github.com/sponsors/tiangolo" class="external-link" target="_blank">📂 💰</a>.
+
+{% if sponsors %}
+
+{% if sponsors.gold %}
+
+### 🌟 💰
+
+{% for sponsor in sponsors.gold -%}
+<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
+{% endfor %}
+{% endif %}
+
+{% if sponsors.silver %}
+
+### 🥇1st 💰
+
+{% for sponsor in sponsors.silver -%}
+<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
+{% endfor %}
+{% endif %}
+
+{% if sponsors.bronze %}
+
+### 🥈2nd 💰
+
+{% for sponsor in sponsors.bronze -%}
+<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
+{% endfor %}
+{% endif %}
+
+{% endif %}
+
+### 🎯 💰
+
+{% if github_sponsors %}
+{% for group in github_sponsors.sponsors %}
+
+<div class="user-list user-list-center">
+
+{% for user in group %}
+{% if user.login not in sponsors_badge.logins %}
+
+<div class="user"><a href="{{ user.url }}" target="_blank"><div class="avatar-wrapper"><img src="{{ user.avatarUrl }}"/></div><div class="title">@{{ user.login }}</div></a></div>
+
+{% endif %}
+{% endfor %}
+
+</div>
+
+{% endfor %}
+{% endif %}
+
+## 🔃 📊 - 📡 ℹ
+
+👑 🎯 👉 📃 🎦 🎯 👪 ℹ 🎏.
+
+✴️ ✅ 🎯 👈 🛎 🌘 ⭐, & 📚 💼 🌅 😩, 💖 🤝 🎏 ⏮️ ❔ & ⚖ 🚲 📨 ⏮️ ✍.
+
+💽 ⚖ 🔠 🗓️, 👆 💪 ✍ <a href="https://github.com/tiangolo/fastapi/blob/master/.github/actions/people/app/main.py" class="external-link" target="_blank">ℹ 📟 📥</a>.
+
+📥 👤 🎦 💰 ⚪️➡️ 💰.
+
+👤 🏦 ▶️️ ℹ 📊, 📄, ⚡, ♒️ (💼 🤷).
--- /dev/null
+# ⚒
+
+## FastAPI ⚒
+
+**FastAPI** 🤝 👆 📄:
+
+### ⚓️ 🔛 📂 🐩
+
+* <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank"><strong>🗄</strong></a> 🛠️ 🏗, ✅ 📄 <abbr title="also known as: endpoints, routes">➡</abbr> <abbr title="also known as HTTP methods, as POST, GET, PUT, DELETE">🛠️</abbr>, 🔢, 💪 📨, 💂♂, ♒️.
+* 🏧 📊 🏷 🧾 ⏮️ <a href="https://json-schema.org/" class="external-link" target="_blank"><strong>🎻 🔗</strong></a> (🗄 ⚫️ 🧢 🔛 🎻 🔗).
+* 🔧 🤭 👫 🐩, ⏮️ 😔 🔬. ↩️ 👎 🧽 🔛 🔝.
+* 👉 ✔ ⚙️ 🏧 **👩💻 📟 ⚡** 📚 🇪🇸.
+
+### 🏧 🩺
+
+🎓 🛠️ 🧾 & 🔬 🕸 👩💻 🔢. 🛠️ ⚓️ 🔛 🗄, 📤 💗 🎛, 2️⃣ 🔌 🔢.
+
+* <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank"><strong>🦁 🎚</strong></a>, ⏮️ 🎓 🔬, 🤙 & 💯 👆 🛠️ 🔗 ⚪️➡️ 🖥.
+
+
+
+* 🎛 🛠️ 🧾 ⏮️ <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank"><strong>📄</strong></a>.
+
+
+
+### 🏛 🐍
+
+⚫️ 🌐 ⚓️ 🔛 🐩 **🐍 3️⃣.6️⃣ 🆎** 📄 (👏 Pydantic). 🙅♂ 🆕 ❕ 💡. 🐩 🏛 🐍.
+
+🚥 👆 💪 2️⃣ ⏲ ↗️ ❔ ⚙️ 🐍 🆎 (🚥 👆 🚫 ⚙️ FastAPI), ✅ 📏 🔰: [🐍 🆎](python-types.md){.internal-link target=_blank}.
+
+👆 ✍ 🐩 🐍 ⏮️ 🆎:
+
+```Python
+from datetime import date
+
+from pydantic import BaseModel
+
+# Declare a variable as a str
+# and get editor support inside the function
+def main(user_id: str):
+ return user_id
+
+
+# A Pydantic model
+class User(BaseModel):
+ id: int
+ name: str
+ joined: date
+```
+
+👈 💪 ⤴️ ⚙️ 💖:
+
+```Python
+my_user: User = User(id=3, name="John Doe", joined="2018-07-19")
+
+second_user_data = {
+ "id": 4,
+ "name": "Mary",
+ "joined": "2018-11-30",
+}
+
+my_second_user: User = User(**second_user_data)
+```
+
+!!! info
+ `**second_user_data` ⛓:
+
+ 🚶♀️ 🔑 & 💲 `second_user_data` #️⃣ 🔗 🔑-💲 ❌, 🌓: `User(id=4, name="Mary", joined="2018-11-30")`
+
+### 👨🎨 🐕🦺
+
+🌐 🛠️ 🏗 ⏩ & 🏋️ ⚙️, 🌐 🚫 💯 🔛 💗 👨🎨 ⏭ ▶️ 🛠️, 🚚 🏆 🛠️ 💡.
+
+🏁 🐍 👩💻 🔬 ⚫️ 🆑 <a href="https://www.jetbrains.com/research/python-developers-survey-2017/#tools-and-features" class="external-link" target="_blank">👈 🌅 ⚙️ ⚒ "✍"</a>.
+
+🎂 **FastAPI** 🛠️ ⚓️ 😌 👈. ✍ 👷 🌐.
+
+👆 🔜 🛎 💪 👟 🔙 🩺.
+
+📥 ❔ 👆 👨🎨 💪 ℹ 👆:
+
+* <a href="https://code.visualstudio.com/" class="external-link" target="_blank">🎙 🎙 📟</a>:
+
+
+
+* <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">🗒</a>:
+
+
+
+👆 🔜 🤚 🛠️ 📟 👆 5️⃣📆 🤔 💪 ⏭. 🖼, `price` 🔑 🔘 🎻 💪 (👈 💪 ✔️ 🐦) 👈 👟 ⚪️➡️ 📨.
+
+🙅♂ 🌖 ⌨ ❌ 🔑 📛, 👟 🔙 & ➡ 🖖 🩺, ⚖️ 📜 🆙 & 🔽 🔎 🚥 👆 😒 ⚙️ `username` ⚖️ `user_name`.
+
+### 📏
+
+⚫️ ✔️ 🤔 **🔢** 🌐, ⏮️ 📦 📳 🌐. 🌐 🔢 💪 👌-🎧 ⚫️❔ 👆 💪 & 🔬 🛠️ 👆 💪.
+
+✋️ 🔢, ⚫️ 🌐 **"👷"**.
+
+### 🔬
+
+* 🔬 🌅 (⚖️ 🌐 ❓) 🐍 **💽 🆎**, 🔌:
+ * 🎻 🎚 (`dict`).
+ * 🎻 🎻 (`list`) ⚖ 🏬 🆎.
+ * 🎻 (`str`) 🏑, 🔬 🕙 & 👟 📐.
+ * 🔢 (`int`, `float`) ⏮️ 🕙 & 👟 💲, ♒️.
+
+* 🔬 🌅 😍 🆎, 💖:
+ * 📛.
+ * 📧.
+ * 🆔.
+ * ...& 🎏.
+
+🌐 🔬 🍵 👍-🏛 & 🏋️ **Pydantic**.
+
+### 💂♂ & 🤝
+
+💂♂ & 🤝 🛠️. 🍵 🙆 ⚠ ⏮️ 💽 ⚖️ 📊 🏷.
+
+🌐 💂♂ ⚖ 🔬 🗄, 🔌:
+
+* 🇺🇸🔍 🔰.
+* **Oauth2️⃣** (⏮️ **🥙 🤝**). ✅ 🔰 🔛 [Oauth2️⃣ ⏮️ 🥙](tutorial/security/oauth2-jwt.md){.internal-link target=_blank}.
+* 🛠️ 🔑:
+ * 🎚.
+ * 🔢 🔢.
+ * 🍪, ♒️.
+
+➕ 🌐 💂♂ ⚒ ⚪️➡️ 💃 (🔌 **🎉 🍪**).
+
+🌐 🏗 ♻ 🧰 & 🦲 👈 ⏩ 🛠️ ⏮️ 👆 ⚙️, 📊 🏪, 🔗 & ☁ 💽, ♒️.
+
+### 🔗 💉
+
+FastAPI 🔌 📶 ⏩ ⚙️, ✋️ 📶 🏋️ <abbr title='also known as "components", "resources", "services", "providers"'><strong>🔗 💉</strong></abbr> ⚙️.
+
+* 🔗 💪 ✔️ 🔗, 🏗 🔗 ⚖️ **"📊" 🔗**.
+* 🌐 **🔁 🍵** 🛠️.
+* 🌐 🔗 💪 🚚 💽 ⚪️➡️ 📨 & **↔ ➡ 🛠️** ⚛ & 🏧 🧾.
+* **🏧 🔬** *➡ 🛠️* 🔢 🔬 🔗.
+* 🐕🦺 🏗 👩💻 🤝 ⚙️, **💽 🔗**, ♒️.
+* **🙅♂ ⚠** ⏮️ 💽, 🕸, ♒️. ✋️ ⏩ 🛠️ ⏮️ 🌐 👫.
+
+### ♾ "🔌-🔌"
+
+⚖️ 🎏 🌌, 🙅♂ 💪 👫, 🗄 & ⚙️ 📟 👆 💪.
+
+🙆 🛠️ 🏗 🙅 ⚙️ (⏮️ 🔗) 👈 👆 💪 ✍ "🔌-" 👆 🈸 2️⃣ ⏸ 📟 ⚙️ 🎏 📊 & ❕ ⚙️ 👆 *➡ 🛠️*.
+
+### 💯
+
+* 1️⃣0️⃣0️⃣ 💯 <abbr title="The amount of code that is automatically tested">💯 💰</abbr>.
+* 1️⃣0️⃣0️⃣ 💯 <abbr title="Python type annotations, with this your editor and external tools can give you better support">🆎 ✍</abbr> 📟 🧢.
+* ⚙️ 🏭 🈸.
+
+## 💃 ⚒
+
+**FastAPI** 🍕 🔗 ⏮️ (& ⚓️ 🔛) <a href="https://www.starlette.io/" class="external-link" target="_blank"><strong>💃</strong></a>. , 🙆 🌖 💃 📟 👆 ✔️, 🔜 👷.
+
+`FastAPI` 🤙 🎧-🎓 `Starlette`. , 🚥 👆 ⏪ 💭 ⚖️ ⚙️ 💃, 🌅 🛠️ 🔜 👷 🎏 🌌.
+
+⏮️ **FastAPI** 👆 🤚 🌐 **💃**'Ⓜ ⚒ (FastAPI 💃 🔛 💊):
+
+* 🤙 🎆 🎭. ⚫️ <a href="https://github.com/encode/starlette#performance" class="external-link" target="_blank">1️⃣ ⏩ 🐍 🛠️ 💪, 🔛 🇷🇪 ⏮️ **✳** & **🚶**</a>.
+* ** *️⃣ ** 🐕🦺.
+* -🛠️ 🖥 📋.
+* 🕴 & 🤫 🎉.
+* 💯 👩💻 🏗 🔛 🇸🇲.
+* **⚜**, 🗜, 🎻 📁, 🎏 📨.
+* **🎉 & 🍪** 🐕🦺.
+* 1️⃣0️⃣0️⃣ 💯 💯 💰.
+* 1️⃣0️⃣0️⃣ 💯 🆎 ✍ ✍.
+
+## Pydantic ⚒
+
+**FastAPI** 🍕 🔗 ⏮️ (& ⚓️ 🔛) <a href="https://pydantic-docs.helpmanual.io" class="external-link" target="_blank"><strong>Pydantic</strong></a>. , 🙆 🌖 Pydantic 📟 👆 ✔️, 🔜 👷.
+
+✅ 🔢 🗃 ⚓️ 🔛 Pydantic, <abbr title="Object-Relational Mapper">🐜</abbr>Ⓜ, <abbr title="Object-Document Mapper">🏭</abbr>Ⓜ 💽.
+
+👉 ⛓ 👈 📚 💼 👆 💪 🚶♀️ 🎏 🎚 👆 🤚 ⚪️➡️ 📨 **🔗 💽**, 🌐 ✔ 🔁.
+
+🎏 ✔ 🎏 🌌 🤭, 📚 💼 👆 💪 🚶♀️ 🎚 👆 🤚 ⚪️➡️ 💽 **🔗 👩💻**.
+
+⏮️ **FastAPI** 👆 🤚 🌐 **Pydantic**'Ⓜ ⚒ (FastAPI ⚓️ 🔛 Pydantic 🌐 💽 🚚):
+
+* **🙅♂ 🔠**:
+ * 🙅♂ 🆕 🔗 🔑 ◾-🇪🇸 💡.
+ * 🚥 👆 💭 🐍 🆎 👆 💭 ❔ ⚙️ Pydantic.
+* 🤾 🎆 ⏮️ 👆 **<abbr title="Integrated Development Environment, similar to a code editor">💾</abbr>/<abbr title="A program that checks for code errors">🧶</abbr>/🧠**:
+ * ↩️ Pydantic 📊 📊 👐 🎓 👆 🔬; 🚘-🛠️, 🧽, ✍ & 👆 🤔 🔜 🌐 👷 ☑ ⏮️ 👆 ✔ 💽.
+* **⏩**:
+ * <a href="https://pydantic-docs.helpmanual.io/benchmarks/" class="external-link" target="_blank">📇</a> Pydantic ⏩ 🌘 🌐 🎏 💯 🗃.
+* ✔ **🏗 📊**:
+ * ⚙️ 🔗 Pydantic 🏷, 🐍 `typing`'Ⓜ `List` & `Dict`, ♒️.
+ * & 💳 ✔ 🏗 💽 🔗 🎯 & 💪 🔬, ✅ & 📄 🎻 🔗.
+ * 👆 💪 ✔️ 🙇 **🐦 🎻** 🎚 & ✔️ 👫 🌐 ✔ & ✍.
+* **🏧**:
+ * Pydantic ✔ 🛃 📊 🆎 🔬 ⚖️ 👆 💪 ↔ 🔬 ⏮️ 👩🔬 🔛 🏷 🎀 ⏮️ 💳 👨🎨.
+* 1️⃣0️⃣0️⃣ 💯 💯 💰.
--- /dev/null
+# ℹ FastAPI - 🤚 ℹ
+
+👆 💖 **FastAPI**❓
+
+🔜 👆 💖 ℹ FastAPI, 🎏 👩💻, & 📕 ❓
+
+⚖️ 🔜 👆 💖 🤚 ℹ ⏮️ **FastAPI**❓
+
+📤 📶 🙅 🌌 ℹ (📚 🔌 1️⃣ ⚖️ 2️⃣ 🖊).
+
+& 📤 📚 🌌 🤚 ℹ 💁♂️.
+
+## 👱📔 📰
+
+👆 💪 👱📔 (🐌) [**FastAPI & 👨👧👦** 📰](/newsletter/){.internal-link target=_blank} 🚧 ℹ 🔃:
+
+* 📰 🔃 FastAPI & 👨👧👦 👶
+* 🦮 👶
+* ⚒ 👶
+* 💔 🔀 👶
+* 💁♂ & 🎱 👶
+
+## ⏩ FastAPI 🔛 👱📔
+
+<a href="https://twitter.com/fastapi" class="external-link" target="_blank">⏩ 🐶 Fastapi 🔛 **👱📔**</a> 🤚 📰 📰 🔃 **FastAPI**. 👶
+
+## ✴ **FastAPI** 📂
+
+👆 💪 "✴" FastAPI 📂 (🖊 ✴ 🔼 🔝 ▶️️): <a href="https://github.com/tiangolo/fastapi" class="external-link" target="_blank">https://github.com/tiangolo/fastapi</a>. 👶 👶
+
+❎ ✴, 🎏 👩💻 🔜 💪 🔎 ⚫️ 🌅 💪 & 👀 👈 ⚫️ ✔️ ⏪ ⚠ 🎏.
+
+## ⌚ 📂 🗃 🚀
+
+👆 💪 "⌚" FastAPI 📂 (🖊 "⌚" 🔼 🔝 ▶️️): <a href="https://github.com/tiangolo/fastapi" class="external-link" target="_blank">https://github.com/tiangolo/fastapi</a>. 👶
+
+📤 👆 💪 🖊 "🚀 🕴".
+
+🔨 ⚫️, 👆 🔜 📨 📨 (👆 📧) 🕐❔ 📤 🆕 🚀 (🆕 ⏬) **FastAPI** ⏮️ 🐛 🔧 & 🆕 ⚒.
+
+## 🔗 ⏮️ 📕
+
+👆 💪 🔗 ⏮️ <a href="https://tiangolo.com" class="external-link" target="_blank">👤 (🇹🇦 🇩🇬 / `tiangolo`)</a>, 📕.
+
+👆 💪:
+
+* <a href="https://github.com/tiangolo" class="external-link" target="_blank">⏩ 👤 🔛 **📂**</a>.
+ * 👀 🎏 📂 ℹ 🏗 👤 ✔️ ✍ 👈 💪 ℹ 👆.
+ * ⏩ 👤 👀 🕐❔ 👤 ✍ 🆕 📂 ℹ 🏗.
+* <a href="https://twitter.com/tiangolo" class="external-link" target="_blank">⏩ 👤 🔛 **👱📔**</a> ⚖️ <a href="https://fosstodon.org/@tiangolo" class="external-link" target="_blank">☠</a>.
+ * 💬 👤 ❔ 👆 ⚙️ FastAPI (👤 💌 👂 👈).
+ * 👂 🕐❔ 👤 ⚒ 🎉 ⚖️ 🚀 🆕 🧰.
+ * 👆 💪 <a href="https://twitter.com/fastapi" class="external-link" target="_blank">⏩ 🐶 Fastapi 🔛 👱📔</a> (🎏 🏧).
+* <a href="https://www.linkedin.com/in/tiangolo/" class="external-link" target="_blank">🔗 ⏮️ 👤 🔛 **👱📔**</a>.
+ * 👂 🕐❔ 👤 ⚒ 🎉 ⚖️ 🚀 🆕 🧰 (👐 👤 ⚙️ 👱📔 🌖 🛎 🤷 ♂).
+* ✍ ⚫️❔ 👤 ✍ (⚖️ ⏩ 👤) 🔛 <a href="https://dev.to/tiangolo" class="external-link" target="_blank">**🇸🇲.**</a> ⚖️ <a href="https://medium.com/@tiangolo" class="external-link" target="_blank">**🔉**</a>.
+ * ✍ 🎏 💭, 📄, & ✍ 🔃 🧰 👤 ✔️ ✍.
+ * ⏩ 👤 ✍ 🕐❔ 👤 ✍ 🕳 🆕.
+
+## 👱📔 🔃 **FastAPI**
+
+<a href="https://twitter.com/compose/tweet?text=I'm loving @fastapi because... https://github.com/tiangolo/fastapi" class="external-link" target="_blank">👱📔 🔃 **FastAPI**</a> & ➡️ 👤 & 🎏 💭 ⚫️❔ 👆 💖 ⚫️. 👶
+
+👤 💌 👂 🔃 ❔ **FastAPI** 💆♂ ⚙️, ⚫️❔ 👆 ✔️ 💖 ⚫️, ❔ 🏗/🏢 👆 ⚙️ ⚫️, ♒️.
+
+## 🗳 FastAPI
+
+* <a href="https://www.slant.co/options/34241/~fastapi-review" class="external-link" target="_blank">🗳 **FastAPI** 📐</a>.
+* <a href="https://alternativeto.net/software/fastapi/" class="external-link" target="_blank">🗳 **FastAPI** 📱</a>.
+* <a href="https://stackshare.io/pypi-fastapi" class="external-link" target="_blank">💬 👆 ⚙️ **FastAPI** 🔛 ℹ</a>.
+
+## ℹ 🎏 ⏮️ ❔ 📂
+
+👆 💪 🔄 & ℹ 🎏 ⏮️ 👫 ❔:
+
+* <a href="https://github.com/tiangolo/fastapi/discussions/categories/questions?discussions_q=category%3AQuestions+is%3Aunanswered" class="external-link" target="_blank">📂 💬</a>
+* <a href="https://github.com/tiangolo/fastapi/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3Aquestion+-label%3Aanswered+" class="external-link" target="_blank">📂 ❔</a>
+
+📚 💼 👆 5️⃣📆 ⏪ 💭 ❔ 📚 ❔. 👶
+
+🚥 👆 🤝 📚 👫👫 ⏮️ 👫 ❔, 👆 🔜 ▶️️ 🛂 [FastAPI 🕴](fastapi-people.md#experts){.internal-link target=_blank}. 👶
+
+💭, 🏆 ⚠ ☝: 🔄 😇. 👫👫 👟 ⏮️ 👫 😩 & 📚 💼 🚫 💭 🏆 🌌, ✋️ 🔄 🏆 👆 💪 😇. 👶
+
+💭 **FastAPI** 👪 😇 & 👍. 🎏 🕰, 🚫 🚫 🎭 ⚖️ 😛 🎭 ⤵ 🎏. 👥 ✔️ ✊ 💅 🔠 🎏.
+
+---
+
+📥 ❔ ℹ 🎏 ⏮️ ❔ (💬 ⚖️ ❔):
+
+### 🤔 ❔
+
+* ✅ 🚥 👆 💪 🤔 ⚫️❔ **🎯** & ⚙️ 💼 👨💼 💬.
+
+* ⤴️ ✅ 🚥 ❔ (⭕ 👪 ❔) **🆑**.
+
+* 📚 💼 ❔ 💭 🔃 👽 ⚗ ⚪️➡️ 👩💻, ✋️ 📤 💪 **👍** 1️⃣. 🚥 👆 💪 🤔 ⚠ & ⚙️ 💼 👍, 👆 💪 💪 🤔 👍 **🎛 ⚗**.
+
+* 🚥 👆 💪 🚫 🤔 ❔, 💭 🌖 **ℹ**.
+
+### 🔬 ⚠
+
+🌅 💼 & 🏆 ❔ 📤 🕳 🔗 👨💼 **⏮️ 📟**.
+
+📚 💼 👫 🔜 🕴 📁 🧬 📟, ✋️ 👈 🚫 🥃 **🔬 ⚠**.
+
+* 👆 💪 💭 👫 🚚 <a href="https://stackoverflow.com/help/minimal-reproducible-example" class="external-link" target="_blank">⭐, 🔬, 🖼</a>, 👈 👆 💪 **📁-📋** & 🏃 🌐 👀 🎏 ❌ ⚖️ 🎭 👫 👀, ⚖️ 🤔 👫 ⚙️ 💼 👍.
+
+* 🚥 👆 😟 💁♂️ 👍, 👆 💪 🔄 **✍ 🖼** 💖 👈 👆, 🧢 🔛 📛 ⚠. ✔️ 🤯 👈 👉 💪 ✊ 📚 🕰 & ⚫️ 💪 👻 💭 👫 ✍ ⚠ 🥇.
+
+### 🤔 ⚗
+
+* ⏮️ 💆♂ 💪 🤔 ❔, 👆 💪 🤝 👫 💪 **❔**.
+
+* 📚 💼, ⚫️ 👍 🤔 👫 **📈 ⚠ ⚖️ ⚙️ 💼**, ↩️ 📤 5️⃣📆 👍 🌌 ❎ ⚫️ 🌘 ⚫️❔ 👫 🔄.
+
+### 💭 🔐
+
+🚥 👫 📨, 📤 ↕ 🤞 👆 🔜 ✔️ ❎ 👫 ⚠, ㊗, **👆 💂**❗ 🦸
+
+* 🔜, 🚥 👈 ❎ 👫 ⚠, 👆 💪 💭 👫:
+
+ * 📂 💬: ™ 🏤 **❔**.
+ * 📂 ❔: **🔐** ❔**.
+
+## ⌚ 📂 🗃
+
+👆 💪 "⌚" FastAPI 📂 (🖊 "⌚" 🔼 🔝 ▶️️): <a href="https://github.com/tiangolo/fastapi" class="external-link" target="_blank">https://github.com/tiangolo/fastapi</a>. 👶
+
+🚥 👆 🖊 "👀" ↩️ "🚀 🕴" 👆 🔜 📨 📨 🕐❔ 👱 ✍ 🆕 ❔ ⚖️ ❔. 👆 💪 ✔ 👈 👆 🕴 💚 🚨 🔃 🆕 ❔, ⚖️ 💬, ⚖️ 🎸, ♒️.
+
+⤴️ 👆 💪 🔄 & ℹ 👫 ❎ 👈 ❔.
+
+## 💭 ❔
+
+👆 💪 <a href="https://github.com/tiangolo/fastapi/discussions/new?category=questions" class="external-link" target="_blank">✍ 🆕 ❔</a> 📂 🗃, 🖼:
+
+* 💭 **❔** ⚖️ 💭 🔃 **⚠**.
+* 🤔 🆕 **⚒**.
+
+**🗒**: 🚥 👆 ⚫️, ⤴️ 👤 🔜 💭 👆 ℹ 🎏. 👶
+
+## 📄 🚲 📨
+
+👆 💪 ℹ 👤 📄 🚲 📨 ⚪️➡️ 🎏.
+
+🔄, 🙏 🔄 👆 🏆 😇. 👶
+
+---
+
+📥 ⚫️❔ ✔️ 🤯 & ❔ 📄 🚲 📨:
+
+### 🤔 ⚠
+
+* 🥇, ⚒ 💭 👆 **🤔 ⚠** 👈 🚲 📨 🔄 ❎. ⚫️ 💪 ✔️ 📏 💬 📂 💬 ⚖️ ❔.
+
+* 📤 👍 🤞 👈 🚲 📨 🚫 🤙 💪 ↩️ ⚠ 💪 ❎ **🎏 🌌**. ⤴️ 👆 💪 🤔 ⚖️ 💭 🔃 👈.
+
+### 🚫 😟 🔃 👗
+
+* 🚫 😟 💁♂️ 🌅 🔃 👜 💖 💕 📧 👗, 👤 🔜 🥬 & 🔗 🛃 💕 ❎.
+
+* 🚫 😟 🔃 👗 🚫, 📤 ⏪ 🏧 🧰 ✅ 👈.
+
+& 🚥 📤 🙆 🎏 👗 ⚖️ ⚖ 💪, 👤 🔜 💭 🔗 👈, ⚖️ 👤 🔜 🚮 💕 🔛 🔝 ⏮️ 💪 🔀.
+
+### ✅ 📟
+
+* ✅ & ✍ 📟, 👀 🚥 ⚫️ ⚒ 🔑, **🏃 ⚫️ 🌐** & 👀 🚥 ⚫️ 🤙 ❎ ⚠.
+
+* ⤴️ **🏤** 💬 👈 👆 👈, 👈 ❔ 👤 🔜 💭 👆 🤙 ✅ ⚫️.
+
+!!! info
+ 👐, 👤 💪 🚫 🎯 💙 🎸 👈 ✔️ 📚 ✔.
+
+ 📚 🕰 ⚫️ ✔️ 🔨 👈 📤 🎸 ⏮️ 3️⃣, 5️⃣ ⚖️ 🌅 ✔, 🎲 ↩️ 📛 😌, ✋️ 🕐❔ 👤 ✅ 🎸, 👫 🤙 💔, ✔️ 🐛, ⚖️ 🚫 ❎ ⚠ 👫 🛄 ❎. 👶
+
+ , ⚫️ 🤙 ⚠ 👈 👆 🤙 ✍ & 🏃 📟, & ➡️ 👤 💭 🏤 👈 👆. 👶
+
+* 🚥 🇵🇷 💪 📉 🌌, 👆 💪 💭 👈, ✋️ 📤 🙅♂ 💪 💁♂️ 😟, 📤 5️⃣📆 📚 🤔 ☝ 🎑 (& 👤 🔜 ✔️ 👇 👍 👍 👶), ⚫️ 👻 🚥 👆 💪 🎯 🔛 ⚛ 👜.
+
+### 💯
+
+* ℹ 👤 ✅ 👈 🇵🇷 ✔️ **💯**.
+
+* ✅ 👈 💯 **❌** ⏭ 🇵🇷. 👶
+
+* ⤴️ ✅ 👈 💯 **🚶♀️** ⏮️ 🇵🇷. 👶
+
+* 📚 🎸 🚫 ✔️ 💯, 👆 💪 **🎗** 👫 🚮 💯, ⚖️ 👆 💪 **🤔** 💯 👆. 👈 1️⃣ 👜 👈 🍴 🌅 🕰 & 👆 💪 ℹ 📚 ⏮️ 👈.
+
+* ⤴️ 🏤 ⚫️❔ 👆 🔄, 👈 🌌 👤 🔜 💭 👈 👆 ✅ ⚫️. 👶
+
+## ✍ 🚲 📨
+
+👆 💪 [📉](contributing.md){.internal-link target=_blank} ℹ 📟 ⏮️ 🚲 📨, 🖼:
+
+* 🔧 🤭 👆 🔎 🔛 🧾.
+* 💰 📄, 📹, ⚖️ 📻 👆 ✍ ⚖️ 🔎 🔃 FastAPI <a href="https://github.com/tiangolo/fastapi/edit/master/docs/en/data/external_links.yml" class="external-link" target="_blank">✍ 👉 📁</a>.
+ * ⚒ 💭 👆 🚮 👆 🔗 ▶️ 🔗 📄.
+* ℹ [💬 🧾](contributing.md#translations){.internal-link target=_blank} 👆 🇪🇸.
+ * 👆 💪 ℹ 📄 ✍ ✍ 🎏.
+* 🛠️ 🆕 🧾 📄.
+* 🔧 ♻ ❔/🐛.
+ * ⚒ 💭 🚮 💯.
+* 🚮 🆕 ⚒.
+ * ⚒ 💭 🚮 💯.
+ * ⚒ 💭 🚮 🧾 🚥 ⚫️ 🔗.
+
+## ℹ 🚧 FastAPI
+
+ℹ 👤 🚧 **FastAPI**❗ 👶
+
+📤 📚 👷, & 🏆 ⚫️, **👆** 💪 ⚫️.
+
+👑 📋 👈 👆 💪 ▶️️ 🔜:
+
+* [ℹ 🎏 ⏮️ ❔ 📂](#help-others-with-questions-in-github){.internal-link target=_blank} (👀 📄 🔛).
+* [📄 🚲 📨](#review-pull-requests){.internal-link target=_blank} (👀 📄 🔛).
+
+👈 2️⃣ 📋 ⚫️❔ **🍴 🕰 🏆**. 👈 👑 👷 🏆 FastAPI.
+
+🚥 👆 💪 ℹ 👤 ⏮️ 👈, **👆 🤝 👤 🚧 FastAPI** & ⚒ 💭 ⚫️ 🚧 **🛠️ ⏩ & 👻**. 👶
+
+## 🛑 💬
+
+🛑 👶 <a href="https://discord.gg/VQjSZaeJmf" class="external-link" target="_blank">😧 💬 💽</a> 👶 & 🤙 👅 ⏮️ 🎏 FastAPI 👪.
+
+!!! tip
+ ❔, 💭 👫 <a href="https://github.com/tiangolo/fastapi/discussions/new?category=questions" class="external-link" target="_blank">📂 💬</a>, 📤 🌅 👍 🤞 👆 🔜 📨 ℹ [FastAPI 🕴](fastapi-people.md#experts){.internal-link target=_blank}.
+
+ ⚙️ 💬 🕴 🎏 🏢 💬.
+
+📤 ⏮️ <a href="https://gitter.im/tiangolo/fastapi" class="external-link" target="_blank">🥊 💬</a>, ✋️ ⚫️ 🚫 ✔️ 📻 & 🏧 ⚒, 💬 🌖 ⚠, 😧 🔜 👍 ⚙️.
+
+### 🚫 ⚙️ 💬 ❔
+
+✔️ 🤯 👈 💬 ✔ 🌅 "🆓 💬", ⚫️ ⏩ 💭 ❔ 👈 💁♂️ 🏢 & 🌅 ⚠ ❔,, 👆 💪 🚫 📨 ❔.
+
+📂, 📄 🔜 🦮 👆 ✍ ▶️️ ❔ 👈 👆 💪 🌖 💪 🤚 👍 ❔, ⚖️ ❎ ⚠ 👆 ⏭ 💬. & 📂 👤 💪 ⚒ 💭 👤 🕧 ❔ 🌐, 🚥 ⚫️ ✊ 🕰. 👤 💪 🚫 🤙 👈 ⏮️ 💬 ⚙️. 👶
+
+💬 💬 ⚙️ 🚫 💪 📇 📂, ❔ & ❔ 5️⃣📆 🤚 💸 💬. & 🕴 🕐 📂 💯 ▶️️ [FastAPI 🕴](fastapi-people.md#experts){.internal-link target=_blank}, 👆 🔜 🌅 🎲 📨 🌅 🙋 📂.
+
+🔛 🎏 🚄, 📤 💯 👩💻 💬 ⚙️, 📤 ↕ 🤞 👆 🔜 🔎 👱 💬 📤, 🌖 🌐 🕰. 👶
+
+## 💰 📕
+
+👆 💪 💰 🐕🦺 📕 (👤) 🔘 <a href="https://github.com/sponsors/tiangolo" class="external-link" target="_blank">📂 💰</a>.
+
+📤 👆 💪 🛍 👤 ☕ 👶 👶 💬 👏. 👶
+
+& 👆 💪 ▶️️ 🥇1st ⚖️ 🌟 💰 FastAPI. 👶 👶
+
+## 💰 🧰 👈 🏋️ FastAPI
+
+👆 ✔️ 👀 🧾, FastAPI 🧍 🔛 ⌚ 🐘, 💃 & Pydantic.
+
+👆 💪 💰:
+
+* <a href="https://github.com/sponsors/samuelcolvin" class="external-link" target="_blank">✡ 🍏 (Pydantic)</a>
+* <a href="https://github.com/sponsors/encode" class="external-link" target="_blank">🗜 (💃, Uvicorn)</a>
+
+---
+
+👏 ❗ 👶
--- /dev/null
+# 📖, 🔧 & 🔮
+
+🕰 🏁, <a href="https://github.com/tiangolo/fastapi/issues/3#issuecomment-454956920" class="external-link" target="_blank"> **FastAPI** 👩💻 💭</a>:
+
+> ⚫️❔ 📖 👉 🏗 ❓ ⚫️ 😑 ✔️ 👟 ⚪️➡️ 🕳 👌 👩❤👨 🗓️ [...]
+
+📥 🐥 🍖 👈 📖.
+
+## 🎛
+
+👤 ✔️ 🏗 🔗 ⏮️ 🏗 📄 📚 1️⃣2️⃣🗓️ (🎰 🏫, 📎 ⚙️, 🔁 👨🏭, ☁ 💽, ♒️), ↘️ 📚 🏉 👩💻.
+
+🍕 👈, 👤 💪 🔬, 💯 & ⚙️ 📚 🎛.
+
+📖 **FastAPI** 👑 🍕 📖 🚮 ⏪.
+
+🙆♀ 📄 [🎛](alternatives.md){.internal-link target=_blank}:
+
+<blockquote markdown="1">
+
+**FastAPI** 🚫🔜 🔀 🚥 🚫 ⏮️ 👷 🎏.
+
+📤 ✔️ 📚 🧰 ✍ ⏭ 👈 ✔️ ℹ 😮 🚮 🏗.
+
+👤 ✔️ ❎ 🏗 🆕 🛠️ 📚 1️⃣2️⃣🗓️. 🥇 👤 🔄 ❎ 🌐 ⚒ 📔 **FastAPI** ⚙️ 📚 🎏 🛠️, 🔌-🔌, & 🧰.
+
+✋️ ☝, 📤 🙅♂ 🎏 🎛 🌘 🏗 🕳 👈 🚚 🌐 👫 ⚒, ✊ 🏆 💭 ⚪️➡️ ⏮️ 🧰, & 🌀 👫 🏆 🌌 💪, ⚙️ 🇪🇸 ⚒ 👈 ➖🚫 💪 ⏭ (🐍 3️⃣.6️⃣ ➕ 🆎 🔑).
+
+</blockquote>
+
+## 🔬
+
+⚙️ 🌐 ⏮️ 🎛 👤 ✔️ 🤞 💡 ⚪️➡️ 🌐 👫, ✊ 💭, & 🌀 👫 🏆 🌌 👤 💪 🔎 👤 & 🏉 👩💻 👤 ✔️ 👷 ⏮️.
+
+🖼, ⚫️ 🆑 👈 🎲 ⚫️ 🔜 ⚓️ 🔛 🐩 🐍 🆎 🔑.
+
+, 🏆 🎯 ⚙️ ⏪ ♻ 🐩.
+
+, ⏭ ▶️ 📟 **FastAPI**, 👤 💸 📚 🗓️ 🎓 🔌 🗄, 🎻 🔗, Oauth2️⃣, ♒️. 🎯 👫 💛, 🔀, & 🔺.
+
+## 🔧
+
+⤴️ 👤 💸 🕰 🔧 👩💻 "🛠️" 👤 💚 ✔️ 👩💻 (👩💻 ⚙️ FastAPI).
+
+👤 💯 📚 💭 🏆 🌟 🐍 👨🎨: 🗒, 🆚 📟, 🎠 🧢 👨🎨.
+
+🏁 <a href="https://www.jetbrains.com/research/python-developers-survey-2018/#development-tools" class="external-link" target="_blank">🐍 👩💻 🔬</a>, 👈 📔 🔃 8️⃣0️⃣ 💯 👩💻.
+
+⚫️ ⛓ 👈 **FastAPI** 🎯 💯 ⏮️ 👨🎨 ⚙️ 8️⃣0️⃣ 💯 🐍 👩💻. & 🏆 🎏 👨🎨 😑 👷 ➡, 🌐 🚮 💰 🔜 👷 🌖 🌐 👨🎨.
+
+👈 🌌 👤 💪 🔎 🏆 🌌 📉 📟 ❎ 🌅 💪, ✔️ 🛠️ 🌐, 🆎 & ❌ ✅, ♒️.
+
+🌐 🌌 👈 🚚 🏆 🛠️ 💡 🌐 👩💻.
+
+## 📄
+
+⏮️ 🔬 📚 🎛, 👤 💭 👈 👤 🔜 ⚙️ <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">**Pydantic**</a> 🚮 📈.
+
+⤴️ 👤 📉 ⚫️, ⚒ ⚫️ 🍕 🛠️ ⏮️ 🎻 🔗, 🐕🦺 🎏 🌌 🔬 ⚛ 📄, & 📉 👨🎨 🐕🦺 (🆎 ✅, ✍) ⚓️ 🔛 💯 📚 👨🎨.
+
+⏮️ 🛠️, 👤 📉 <a href="https://www.starlette.io/" class="external-link" target="_blank">**💃**</a>, 🎏 🔑 📄.
+
+## 🛠️
+
+🕰 👤 ▶️ 🏗 **FastAPI** ⚫️, 🏆 🍖 ⏪ 🥉, 🔧 🔬, 📄 & 🧰 🔜, & 💡 🔃 🐩 & 🔧 🆑 & 🍋.
+
+## 🔮
+
+👉 ☝, ⚫️ ⏪ 🆑 👈 **FastAPI** ⏮️ 🚮 💭 ➖ ⚠ 📚 👫👫.
+
+⚫️ 💆♂ 👐 🤭 ⏮️ 🎛 ♣ 📚 ⚙️ 💼 👍.
+
+📚 👩💻 & 🏉 ⏪ 🪀 🔛 **FastAPI** 👫 🏗 (🔌 👤 & 👇 🏉).
+
+✋️, 📤 📚 📈 & ⚒ 👟.
+
+**FastAPI** ✔️ 👑 🔮 ⤴️.
+
+& [👆 ℹ](help-fastapi.md){.internal-link target=_blank} 📉 👍.
--- /dev/null
+<p align="center">
+ <a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
+</p>
+<p align="center">
+ <em>FastAPI 🛠️, ↕ 🎭, ⏩ 💡, ⏩ 📟, 🔜 🏭</em>
+</p>
+<p align="center">
+<a href="https://github.com/tiangolo/fastapi/actions?query=workflow%3ATest+event%3Apush+branch%3Amaster" target="_blank">
+ <img src="https://github.com/tiangolo/fastapi/workflows/Test/badge.svg?event=push&branch=master" alt="Test">
+</a>
+<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/tiangolo/fastapi" target="_blank">
+ <img src="https://coverage-badge.samuelcolvin.workers.dev/tiangolo/fastapi.svg" alt="Coverage">
+</a>
+<a href="https://pypi.org/project/fastapi" target="_blank">
+ <img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version">
+</a>
+<a href="https://pypi.org/project/fastapi" target="_blank">
+ <img src="https://img.shields.io/pypi/pyversions/fastapi.svg?color=%2334D058" alt="Supported Python versions">
+</a>
+</p>
+
+---
+
+**🧾**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
+
+**ℹ 📟**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
+
+---
+
+FastAPI 🏛, ⏩ (↕-🎭), 🕸 🛠️ 🏗 🛠️ ⏮️ 🐍 3️⃣.7️⃣ ➕ ⚓️ 🔛 🐩 🐍 🆎 🔑.
+
+🔑 ⚒:
+
+* **⏩**: 📶 ↕ 🎭, 🔛 🇷🇪 ⏮️ **✳** & **🚶** (👏 💃 & Pydantic). [1️⃣ ⏩ 🐍 🛠️ 💪](#performance).
+* **⏩ 📟**: 📈 🚅 🛠️ ⚒ 🔃 2️⃣0️⃣0️⃣ 💯 3️⃣0️⃣0️⃣ 💯. *
+* **👩❤👨 🐛**: 📉 🔃 4️⃣0️⃣ 💯 🗿 (👩💻) 📉 ❌. *
+* **🏋️**: 👑 👨🎨 🐕🦺. <abbr title="also known as auto-complete, autocompletion, IntelliSense">🛠️</abbr> 🌐. 🌘 🕰 🛠️.
+* **⏩**: 🔧 ⏩ ⚙️ & 💡. 🌘 🕰 👂 🩺.
+* **📏**: 📉 📟 ❎. 💗 ⚒ ⚪️➡️ 🔠 🔢 📄. 👩❤👨 🐛.
+* **🏋️**: 🤚 🏭-🔜 📟. ⏮️ 🏧 🎓 🧾.
+* **🐩-⚓️**: ⚓️ 🔛 (& 🍕 🔗 ⏮️) 📂 🐩 🔗: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">🗄</a> (⏪ 💭 🦁) & <a href="https://json-schema.org/" class="external-link" target="_blank">🎻 🔗</a>.
+
+<small>* ⚖ ⚓️ 🔛 💯 🔛 🔗 🛠️ 🏉, 🏗 🏭 🈸.</small>
+
+## 💰
+
+<!-- sponsors -->
+
+{% if sponsors %}
+{% for sponsor in sponsors.gold -%}
+<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
+{% endfor -%}
+{%- for sponsor in sponsors.silver -%}
+<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
+{% endfor %}
+{% endif %}
+
+<!-- /sponsors -->
+
+<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">🎏 💰</a>
+
+## 🤔
+
+"_[...] 👤 ⚙️ **FastAPI** 📚 👫 📆. [...] 👤 🤙 📆 ⚙️ ⚫️ 🌐 👇 🏉 **⚗ 🐕🦺 🤸♂**. 👫 💆♂ 🛠️ 🔘 🐚 **🖥** 🏬 & **📠** 🏬._"
+
+<div style="text-align: right; margin-right: 10%;">🧿 🇵🇰 - <strong>🤸♂</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+"_👥 🛠️ **FastAPI** 🗃 🤖 **🎂** 💽 👈 💪 🔢 🚚 **🔮**. [👨📛]_"
+
+<div style="text-align: right; margin-right: 10%;">🇮🇹 🇸🇻, 👨📛 👨📛, & 🇱🇰 🕉 🕉 - <strong>🙃</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+"_**📺** 🙏 📣 📂-ℹ 🚀 👆 **⚔ 🧾** 🎶 🛠️: **📨**❗ [🏗 ⏮️ **FastAPI**]_"
+
+<div style="text-align: right; margin-right: 10%;">✡ 🍏, 👖 🇪🇸, 🌲 🍏 - <strong>📺</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+"_👤 🤭 🌕 😄 🔃 **FastAPI**. ⚫️ 🎊 ❗_"
+
+<div style="text-align: right; margin-right: 10%;">✡ 🇭🇰 - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">🐍 🔢</a> 📻 🦠</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+"_🤙, ⚫️❔ 👆 ✔️ 🏗 👀 💎 💠 & 🇵🇱. 📚 🌌, ⚫️ ⚫️❔ 👤 💚 **🤗** - ⚫️ 🤙 😍 👀 👱 🏗 👈._"
+
+<div style="text-align: right; margin-right: 10%;">✡ 🗄 - <strong><a href="https://www.hug.rest/" target="_blank">🤗</a> 👼</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+"_🚥 👆 👀 💡 1️⃣ **🏛 🛠️** 🏗 🎂 🔗, ✅ 👅 **FastAPI** [...] ⚫️ ⏩, ⏩ ⚙️ & ⏩ 💡 [...]_"
+
+"_👥 ✔️ 🎛 🤭 **FastAPI** 👆 **🔗** [...] 👤 💭 👆 🔜 💖 ⚫️ [...]_"
+
+<div style="text-align: right; margin-right: 10%;">🇱🇨 🇸🇲 - ✡ Honnibal - <strong><a href="https://explosion.ai" target="_blank">💥 👲</a> 🕴 - <a href="https://spacy.io" target="_blank">🌈</a> 👼</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(🇦🇪)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+"_🚥 🙆 👀 🏗 🏭 🐍 🛠️, 👤 🔜 🏆 👍 **FastAPI**. ⚫️ **💎 🏗**, **🙅 ⚙️** & **🏆 🛠️**, ⚫️ ✔️ ▶️️ **🔑 🦲** 👆 🛠️ 🥇 🛠️ 🎛 & 🚘 📚 🏧 & 🐕🦺 ✅ 👆 🕹 🔫 👨💻._"
+
+<div style="text-align: right; margin-right: 10%;">🇹🇦 🍰 - <strong>📻</strong> <a href="https://www.linkedin.com/posts/deonpillsbury_cisco-cx-python-activity-6963242628536487936-trAp/" target="_blank"><small>(🇦🇪)</small></a></div>
+
+---
+
+## **🏎**, FastAPI 🇳🇨
+
+<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
+
+🚥 👆 🏗 <abbr title="Command Line Interface">✳</abbr> 📱 ⚙️ 📶 ↩️ 🕸 🛠️, ✅ 👅 <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**🏎**</a>.
+
+**🏎** FastAPI 🐥 👪. & ⚫️ 🎯 **FastAPI 🇳🇨**. 👶 👶 👶
+
+## 📄
+
+🐍 3️⃣.7️⃣ ➕
+
+FastAPI 🧍 🔛 ⌚ 🐘:
+
+* <a href="https://www.starlette.io/" class="external-link" target="_blank">💃</a> 🕸 🍕.
+* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> 📊 🍕.
+
+## 👷♂
+
+<div class="termy">
+
+```console
+$ pip install fastapi
+
+---> 100%
+```
+
+</div>
+
+👆 🔜 💪 🔫 💽, 🏭 ✅ <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> ⚖️ <a href="https://github.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
+
+<div class="termy">
+
+```console
+$ pip install "uvicorn[standard]"
+
+---> 100%
+```
+
+</div>
+
+## 🖼
+
+### ✍ ⚫️
+
+* ✍ 📁 `main.py` ⏮️:
+
+```Python
+from typing import Union
+
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/")
+def read_root():
+ return {"Hello": "World"}
+
+
+@app.get("/items/{item_id}")
+def read_item(item_id: int, q: Union[str, None] = None):
+ return {"item_id": item_id, "q": q}
+```
+
+<details markdown="1">
+<summary>⚖️ ⚙️ <code>async def</code>...</summary>
+
+🚥 👆 📟 ⚙️ `async` / `await`, ⚙️ `async def`:
+
+```Python hl_lines="9 14"
+from typing import Union
+
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/")
+async def read_root():
+ return {"Hello": "World"}
+
+
+@app.get("/items/{item_id}")
+async def read_item(item_id: int, q: Union[str, None] = None):
+ return {"item_id": item_id, "q": q}
+```
+
+**🗒**:
+
+🚥 👆 🚫 💭, ✅ _"🏃 ❓" _ 📄 🔃 <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` & `await` 🩺</a>.
+
+</details>
+
+### 🏃 ⚫️
+
+🏃 💽 ⏮️:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+INFO: Started reloader process [28720]
+INFO: Started server process [28722]
+INFO: Waiting for application startup.
+INFO: Application startup complete.
+```
+
+</div>
+
+<details markdown="1">
+<summary>🔃 📋 <code>uvicorn main:app --reload</code>...</summary>
+
+📋 `uvicorn main:app` 🔗:
+
+* `main`: 📁 `main.py` (🐍 "🕹").
+* `app`: 🎚 ✍ 🔘 `main.py` ⏮️ ⏸ `app = FastAPI()`.
+* `--reload`: ⚒ 💽 ⏏ ⏮️ 📟 🔀. 🕴 👉 🛠️.
+
+</details>
+
+### ✅ ⚫️
+
+📂 👆 🖥 <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
+
+👆 🔜 👀 🎻 📨:
+
+```JSON
+{"item_id": 5, "q": "somequery"}
+```
+
+👆 ⏪ ✍ 🛠️ 👈:
+
+* 📨 🇺🇸🔍 📨 _➡_ `/` & `/items/{item_id}`.
+* 👯♂️ _➡_ ✊ `GET` <em>🛠️</em> (💭 🇺🇸🔍 _👩🔬_).
+* _➡_ `/items/{item_id}` ✔️ _➡ 🔢_ `item_id` 👈 🔜 `int`.
+* _➡_ `/items/{item_id}` ✔️ 📦 `str` _🔢 = `q`.
+
+### 🎓 🛠️ 🩺
+
+🔜 🚶 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 🏧 🎓 🛠️ 🧾 (🚚 <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">🦁 🎚</a>):
+
+
+
+### 🎛 🛠️ 🩺
+
+& 🔜, 🚶 <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
+
+👆 🔜 👀 🎛 🏧 🧾 (🚚 <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">📄</a>):
+
+
+
+## 🖼 ♻
+
+🔜 🔀 📁 `main.py` 📨 💪 ⚪️➡️ `PUT` 📨.
+
+📣 💪 ⚙️ 🐩 🐍 🆎, 👏 Pydantic.
+
+```Python hl_lines="4 9-12 25-27"
+from typing import Union
+
+from fastapi import FastAPI
+from pydantic import BaseModel
+
+app = FastAPI()
+
+
+class Item(BaseModel):
+ name: str
+ price: float
+ is_offer: Union[bool, None] = None
+
+
+@app.get("/")
+def read_root():
+ return {"Hello": "World"}
+
+
+@app.get("/items/{item_id}")
+def read_item(item_id: int, q: Union[str, None] = None):
+ return {"item_id": item_id, "q": q}
+
+
+@app.put("/items/{item_id}")
+def update_item(item_id: int, item: Item):
+ return {"item_name": item.name, "item_id": item_id}
+```
+
+💽 🔜 🔃 🔁 (↩️ 👆 🚮 `--reload` `uvicorn` 📋 🔛).
+
+### 🎓 🛠️ 🩺 ♻
+
+🔜 🚶 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+* 🎓 🛠️ 🧾 🔜 🔁 ℹ, 🔌 🆕 💪:
+
+
+
+* 🖊 🔛 🔼 "🔄 ⚫️ 👅", ⚫️ ✔ 👆 🥧 🔢 & 🔗 🔗 ⏮️ 🛠️:
+
+
+
+* ⤴️ 🖊 🔛 "🛠️" 🔼, 👩💻 🔢 🔜 🔗 ⏮️ 👆 🛠️, 📨 🔢, 🤚 🏁 & 🎦 👫 🔛 🖥:
+
+
+
+### 🎛 🛠️ 🩺 ♻
+
+& 🔜, 🚶 <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
+
+* 🎛 🧾 🔜 🎨 🆕 🔢 🔢 & 💪:
+
+
+
+### 🌃
+
+📄, 👆 📣 **🕐** 🆎 🔢, 💪, ♒️. 🔢 🔢.
+
+👆 👈 ⏮️ 🐩 🏛 🐍 🆎.
+
+👆 🚫 ✔️ 💡 🆕 ❕, 👩🔬 ⚖️ 🎓 🎯 🗃, ♒️.
+
+🐩 **🐍 3️⃣.7️⃣ ➕**.
+
+🖼, `int`:
+
+```Python
+item_id: int
+```
+
+⚖️ 🌖 🏗 `Item` 🏷:
+
+```Python
+item: Item
+```
+
+...& ⏮️ 👈 👁 📄 👆 🤚:
+
+* 👨🎨 🐕🦺, 🔌:
+ * 🛠️.
+ * 🆎 ✅.
+* 🔬 💽:
+ * 🏧 & 🆑 ❌ 🕐❔ 📊 ❌.
+ * 🔬 🙇 🐦 🎻 🎚.
+* <abbr title="also known as: serialization, parsing, marshalling">🛠️</abbr> 🔢 💽: 👟 ⚪️➡️ 🕸 🐍 💽 & 🆎. 👂 ⚪️➡️:
+ * 🎻.
+ * ➡ 🔢.
+ * 🔢 🔢.
+ * 🍪.
+ * 🎚.
+ * 📨.
+ * 📁.
+* <abbr title="also known as: serialization, parsing, marshalling">🛠️</abbr> 🔢 📊: 🗜 ⚪️➡️ 🐍 💽 & 🆎 🕸 💽 (🎻):
+ * 🗜 🐍 🆎 (`str`, `int`, `float`, `bool`, `list`, ♒️).
+ * `datetime` 🎚.
+ * `UUID` 🎚.
+ * 💽 🏷.
+ * ...& 📚 🌖.
+* 🏧 🎓 🛠️ 🧾, 🔌 2️⃣ 🎛 👩💻 🔢:
+ * 🦁 🎚.
+ * 📄.
+
+---
+
+👟 🔙 ⏮️ 📟 🖼, **FastAPI** 🔜:
+
+* ✔ 👈 📤 `item_id` ➡ `GET` & `PUT` 📨.
+* ✔ 👈 `item_id` 🆎 `int` `GET` & `PUT` 📨.
+ * 🚥 ⚫️ 🚫, 👩💻 🔜 👀 ⚠, 🆑 ❌.
+* ✅ 🚥 📤 📦 🔢 🔢 📛 `q` ( `http://127.0.0.1:8000/items/foo?q=somequery`) `GET` 📨.
+ * `q` 🔢 📣 ⏮️ `= None`, ⚫️ 📦.
+ * 🍵 `None` ⚫️ 🔜 🚚 (💪 💼 ⏮️ `PUT`).
+* `PUT` 📨 `/items/{item_id}`, ✍ 💪 🎻:
+ * ✅ 👈 ⚫️ ✔️ ✔ 🔢 `name` 👈 🔜 `str`.
+ * ✅ 👈 ⚫️ ✔️ ✔ 🔢 `price` 👈 ✔️ `float`.
+ * ✅ 👈 ⚫️ ✔️ 📦 🔢 `is_offer`, 👈 🔜 `bool`, 🚥 🎁.
+ * 🌐 👉 🔜 👷 🙇 🐦 🎻 🎚.
+* 🗜 ⚪️➡️ & 🎻 🔁.
+* 📄 🌐 ⏮️ 🗄, 👈 💪 ⚙️:
+ * 🎓 🧾 ⚙️.
+ * 🏧 👩💻 📟 ⚡ ⚙️, 📚 🇪🇸.
+* 🚚 2️⃣ 🎓 🧾 🕸 🔢 🔗.
+
+---
+
+👥 🖌 🧽, ✋️ 👆 ⏪ 🤚 💭 ❔ ⚫️ 🌐 👷.
+
+🔄 🔀 ⏸ ⏮️:
+
+```Python
+ return {"item_name": item.name, "item_id": item_id}
+```
+
+...⚪️➡️:
+
+```Python
+ ... "item_name": item.name ...
+```
+
+...:
+
+```Python
+ ... "item_price": item.price ...
+```
+
+...& 👀 ❔ 👆 👨🎨 🔜 🚘-🏁 🔢 & 💭 👫 🆎:
+
+
+
+🌅 🏁 🖼 🔌 🌅 ⚒, 👀 <a href="https://fastapi.tiangolo.com/tutorial/">🔰 - 👩💻 🦮</a>.
+
+**🚘 🚨**: 🔰 - 👩💻 🦮 🔌:
+
+* 📄 **🔢** ⚪️➡️ 🎏 🎏 🥉: **🎚**, **🍪**, **📨 🏑** & **📁**.
+* ❔ ⚒ **🔬 ⚛** `maximum_length` ⚖️ `regex`.
+* 📶 🏋️ & ⏩ ⚙️ **<abbr title="also known as components, resources, providers, services, injectables">🔗 💉</abbr>** ⚙️.
+* 💂♂ & 🤝, ✅ 🐕🦺 **Oauth2️⃣** ⏮️ **🥙 🤝** & **🇺🇸🔍 🔰** 🔐.
+* 🌅 🏧 (✋️ 😨 ⏩) ⚒ 📣 **🙇 🐦 🎻 🏷** (👏 Pydantic).
+* **🕹** 🛠️ ⏮️ <a href="https://strawberry.rocks" class="external-link" target="_blank">🍓</a> & 🎏 🗃.
+* 📚 ➕ ⚒ (👏 💃):
+ * ** *️⃣ **
+ * 📶 ⏩ 💯 ⚓️ 🔛 🇸🇲 & `pytest`
+ * **⚜**
+ * **🍪 🎉**
+ * ...& 🌖.
+
+## 🎭
+
+🔬 🇸🇲 📇 🎦 **FastAPI** 🈸 🏃♂ 🔽 Uvicorn <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">1️⃣ ⏩ 🐍 🛠️ 💪</a>, 🕴 🔛 💃 & Uvicorn 👫 (⚙️ 🔘 FastAPI). (*)
+
+🤔 🌖 🔃 ⚫️, 👀 📄 <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">📇</a>.
+
+## 📦 🔗
+
+⚙️ Pydantic:
+
+* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - ⏩ 🎻 <abbr title="converting the string that comes from an HTTP request into Python data">"🎻"</abbr>.
+* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - 📧 🔬.
+
+⚙️ 💃:
+
+* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - ✔ 🚥 👆 💚 ⚙️ `TestClient`.
+* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - ✔ 🚥 👆 💚 ⚙️ 🔢 📄 📳.
+* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - ✔ 🚥 👆 💚 🐕🦺 📨 <abbr title="converting the string that comes from an HTTP request into Python data">"✍"</abbr>, ⏮️ `request.form()`.
+* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - ✔ `SessionMiddleware` 🐕🦺.
+* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - ✔ 💃 `SchemaGenerator` 🐕🦺 (👆 🎲 🚫 💪 ⚫️ ⏮️ FastAPI).
+* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - ✔ 🚥 👆 💚 ⚙️ `UJSONResponse`.
+
+⚙️ FastAPI / 💃:
+
+* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - 💽 👈 📐 & 🍦 👆 🈸.
+* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - ✔ 🚥 👆 💚 ⚙️ `ORJSONResponse`.
+
+👆 💪 ❎ 🌐 👫 ⏮️ `pip install "fastapi[all]"`.
+
+## 🛂
+
+👉 🏗 ® 🔽 ⚖ 🇩🇪 🛂.
--- /dev/null
+# 🏗 ⚡ - 📄
+
+👆 💪 ⚙️ 🏗 🚂 🤚 ▶️, ⚫️ 🔌 📚 ▶️ ⚒ 🆙, 💂♂, 💽 & 🛠️ 🔗 ⏪ ⌛ 👆.
+
+🏗 🚂 🔜 🕧 ✔️ 📶 🙃 🖥 👈 👆 🔜 ℹ & 🛠️ 👆 👍 💪, ✋️ ⚫️ 💪 👍 ▶️ ☝ 👆 🏗.
+
+## 🌕 📚 FastAPI ✳
+
+📂: <a href="https://github.com/tiangolo/full-stack-fastapi-postgresql" class="external-link" target="_blank">https://github.com/tiangolo/full-stack-fastapi-postgresql</a>
+
+### 🌕 📚 FastAPI ✳ - ⚒
+
+* 🌕 **☁** 🛠️ (☁ 🧢).
+* ☁ 🐝 📳 🛠️.
+* **☁ ✍** 🛠️ & 🛠️ 🇧🇿 🛠️.
+* **🏭 🔜** 🐍 🕸 💽 ⚙️ Uvicorn & 🐁.
+* 🐍 <a href="https://github.com/tiangolo/fastapi" class="external-link" target="_blank">**FastAPI**</a> 👩💻:
+ * **⏩**: 📶 ↕ 🎭, 🔛 🇷🇪 ⏮️ **✳** & **🚶** (👏 💃 & Pydantic).
+ * **🏋️**: 👑 👨🎨 🐕🦺. <abbr title="also known as auto-complete, autocompletion, IntelliSense">🛠️</abbr> 🌐. 🌘 🕰 🛠️.
+ * **⏩**: 🔧 ⏩ ⚙️ & 💡. 🌘 🕰 👂 🩺.
+ * **📏**: 📉 📟 ❎. 💗 ⚒ ⚪️➡️ 🔠 🔢 📄.
+ * **🏋️**: 🤚 🏭-🔜 📟. ⏮️ 🏧 🎓 🧾.
+ * **🐩-⚓️**: ⚓️ 🔛 (& 🍕 🔗 ⏮️) 📂 🐩 🔗: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">🗄</a> & <a href="https://json-schema.org/" class="external-link" target="_blank">🎻 🔗</a>.
+ * <a href="https://fastapi.tiangolo.com/features/" class="external-link" target="_blank">**📚 🎏 ⚒**</a> 🔌 🏧 🔬, 🛠️, 🎓 🧾, 🤝 ⏮️ Oauth2️⃣ 🥙 🤝, ♒️.
+* **🔐 🔐** 🔁 🔢.
+* **🥙 🤝** 🤝.
+* **🇸🇲** 🏷 (🔬 🏺 ↔, 👫 💪 ⚙️ ⏮️ 🥒 👨🏭 🔗).
+* 🔰 ▶️ 🏷 👩💻 (🔀 & ❎ 👆 💪).
+* **⚗** 🛠️.
+* **⚜** (✖️ 🇨🇳 ℹ 🤝).
+* **🥒** 👨🏭 👈 💪 🗄 & ⚙️ 🏷 & 📟 ⚪️➡️ 🎂 👩💻 🍕.
+* 🎂 👩💻 💯 ⚓️ 🔛 **✳**, 🛠️ ⏮️ ☁, 👆 💪 💯 🌕 🛠️ 🔗, 🔬 🔛 💽. ⚫️ 🏃 ☁, ⚫️ 💪 🏗 🆕 💽 🏪 ⚪️➡️ 🖌 🔠 🕰 (👆 💪 ⚙️ ✳, ✳, ✳, ⚖️ ⚫️❔ 👆 💚, & 💯 👈 🛠️ 👷).
+* ⏩ 🐍 🛠️ ⏮️ **📂 💾** 🛰 ⚖️-☁ 🛠️ ⏮️ ↔ 💖 ⚛ ⚗ ⚖️ 🎙 🎙 📟 📂.
+* **🎦** 🕸:
+ * 🏗 ⏮️ 🎦 ✳.
+ * **🥙 🤝** 🚚.
+ * 💳 🎑.
+ * ⏮️ 💳, 👑 🕹 🎑.
+ * 👑 🕹 ⏮️ 👩💻 🏗 & 📕.
+ * 👤 👩💻 📕.
+ * **🇷🇪**.
+ * **🎦-📻**.
+ * **Vuetify** 🌹 🧽 🔧 🦲.
+ * **📕**.
+ * ☁ 💽 ⚓️ 🔛 **👌** (📶 🤾 🎆 ⏮️ 🎦-📻).
+ * ☁ 👁-▶️ 🏗, 👆 🚫 💪 🖊 ⚖️ 💕 ✍ 📟.
+ * 🕸 💯 🏃 🏗 🕰 (💪 🔕 💁♂️).
+ * ⚒ 🔧 💪, ⚫️ 👷 👅 📦, ✋️ 👆 💪 🏤-🏗 ⏮️ 🎦 ✳ ⚖️ ✍ ⚫️ 👆 💪, & 🏤-⚙️ ⚫️❔ 👆 💚.
+* ** *️⃣ ** ✳ 💽, 👆 💪 🔀 ⚫️ ⚙️ 📁 & ✳ 💪.
+* **🥀** 🥒 👨🏭 ⚖.
+* 📐 ⚖ 🖖 🕸 & 👩💻 ⏮️ **Traefik**, 👆 💪 ✔️ 👯♂️ 🔽 🎏 🆔, 👽 ➡, ✋️ 🍦 🎏 📦.
+* Traefik 🛠️, ✅ ➡️ 🗜 **🇺🇸🔍** 📄 🏧 ⚡.
+* ✳ **🆑** (🔁 🛠️), 🔌 🕸 & 👩💻 🔬.
+
+## 🌕 📚 FastAPI 🗄
+
+📂: <a href="https://github.com/tiangolo/full-stack-fastapi-couchbase" class="external-link" target="_blank">https://github.com/tiangolo/full-stack-fastapi-couchbase</a>
+
+👶 👶 **⚠** 👶 👶
+
+🚥 👆 ▶️ 🆕 🏗 ⚪️➡️ 🖌, ✅ 🎛 📥.
+
+🖼, 🏗 🚂 <a href="https://github.com/tiangolo/full-stack-fastapi-postgresql" class="external-link" target="_blank">🌕 📚 FastAPI ✳</a> 💪 👍 🎛, ⚫️ 🎯 🚧 & ⚙️. & ⚫️ 🔌 🌐 🆕 ⚒ & 📈.
+
+👆 🆓 ⚙️ 🗄-⚓️ 🚂 🚥 👆 💚, ⚫️ 🔜 🎲 👷 👌, & 🚥 👆 ⏪ ✔️ 🏗 🏗 ⏮️ ⚫️ 👈 👌 👍 (& 👆 🎲 ⏪ ℹ ⚫️ ♣ 👆 💪).
+
+👆 💪 ✍ 🌅 🔃 ⚫️ 🩺 🏦.
+
+## 🌕 📚 FastAPI ✳
+
+...💪 👟 ⏪, ⚓️ 🔛 👇 🕰 🚚 & 🎏 ⚖. 👶 👶
+
+## 🎰 🏫 🏷 ⏮️ 🌈 & FastAPI
+
+📂: <a href="https://github.com/microsoft/cookiecutter-spacy-fastapi" class="external-link" target="_blank">https://github.com/microsoft/cookiecutter-spacy-fastapi</a>
+
+### 🎰 🏫 🏷 ⏮️ 🌈 & FastAPI - ⚒
+
+* **🌈** 🕜 🏷 🛠️.
+* **☁ 🧠 🔎** 📨 📁 🏗.
+* **🏭 🔜** 🐍 🕸 💽 ⚙️ Uvicorn & 🐁.
+* **☁ 👩💻** Kubernete (🦲) 🆑/💿 🛠️ 🏗.
+* **🤸♂** 💪 ⚒ 1️⃣ 🌈 🏗 🇪🇸 ⏮️ 🏗 🖥.
+* **💪 🏧** 🎏 🏷 🛠️ (Pytorch, 🇸🇲), 🚫 🌈.
--- /dev/null
+# 🐍 🆎 🎶
+
+🐍 ✔️ 🐕🦺 📦 "🆎 🔑".
+
+👫 **"🆎 🔑"** 🎁 ❕ 👈 ✔ 📣 <abbr title="for example: str, int, float, bool">🆎</abbr> 🔢.
+
+📣 🆎 👆 🔢, 👨🎨 & 🧰 💪 🤝 👆 👍 🐕🦺.
+
+👉 **⏩ 🔰 / ↗️** 🔃 🐍 🆎 🔑. ⚫️ 📔 🕴 💯 💪 ⚙️ 👫 ⏮️ **FastAPI**... ❔ 🤙 📶 🐥.
+
+**FastAPI** 🌐 ⚓️ 🔛 👫 🆎 🔑, 👫 🤝 ⚫️ 📚 📈 & 💰.
+
+✋️ 🚥 👆 🙅 ⚙️ **FastAPI**, 👆 🔜 💰 ⚪️➡️ 🏫 🍖 🔃 👫.
+
+!!! note
+ 🚥 👆 🐍 🕴, & 👆 ⏪ 💭 🌐 🔃 🆎 🔑, 🚶 ⏭ 📃.
+
+## 🎯
+
+➡️ ▶️ ⏮️ 🙅 🖼:
+
+```Python
+{!../../../docs_src/python_types/tutorial001.py!}
+```
+
+🤙 👉 📋 🔢:
+
+```
+John Doe
+```
+
+🔢 🔨 📄:
+
+* ✊ `first_name` & `last_name`.
+* 🗜 🥇 🔤 🔠 1️⃣ ↖ 💼 ⏮️ `title()`.
+* <abbr title="Puts them together, as one. With the contents of one after the other.">🔢</abbr> 👫 ⏮️ 🚀 🖕.
+
+```Python hl_lines="2"
+{!../../../docs_src/python_types/tutorial001.py!}
+```
+
+### ✍ ⚫️
+
+⚫️ 📶 🙅 📋.
+
+✋️ 🔜 🌈 👈 👆 ✍ ⚫️ ⚪️➡️ 🖌.
+
+☝ 👆 🔜 ✔️ ▶️ 🔑 🔢, 👆 ✔️ 🔢 🔜...
+
+✋️ ⤴️ 👆 ✔️ 🤙 "👈 👩🔬 👈 🗜 🥇 🔤 ↖ 💼".
+
+⚫️ `upper`❓ ⚫️ `uppercase`❓ `first_uppercase`❓ `capitalize`❓
+
+⤴️, 👆 🔄 ⏮️ 🗝 👩💻 👨👧👦, 👨🎨 ✍.
+
+👆 🆎 🥇 🔢 🔢, `first_name`, ⤴️ ❣ (`.`) & ⤴️ 🎯 `Ctrl+Space` ⏲ 🛠️.
+
+✋️, 😞, 👆 🤚 🕳 ⚠:
+
+<img src="/img/python-types/image01.png">
+
+### 🚮 🆎
+
+➡️ 🔀 👁 ⏸ ⚪️➡️ ⏮️ ⏬.
+
+👥 🔜 🔀 ⚫️❔ 👉 🧬, 🔢 🔢, ⚪️➡️:
+
+```Python
+ first_name, last_name
+```
+
+:
+
+```Python
+ first_name: str, last_name: str
+```
+
+👈 ⚫️.
+
+👈 "🆎 🔑":
+
+```Python hl_lines="1"
+{!../../../docs_src/python_types/tutorial002.py!}
+```
+
+👈 🚫 🎏 📣 🔢 💲 💖 🔜 ⏮️:
+
+```Python
+ first_name="john", last_name="doe"
+```
+
+⚫️ 🎏 👜.
+
+👥 ⚙️ ❤ (`:`), 🚫 🌓 (`=`).
+
+& ❎ 🆎 🔑 🛎 🚫 🔀 ⚫️❔ 🔨 ⚪️➡️ ⚫️❔ 🔜 🔨 🍵 👫.
+
+✋️ 🔜, 🌈 👆 🔄 🖕 🏗 👈 🔢, ✋️ ⏮️ 🆎 🔑.
+
+🎏 ☝, 👆 🔄 ⏲ 📋 ⏮️ `Ctrl+Space` & 👆 👀:
+
+<img src="/img/python-types/image02.png">
+
+⏮️ 👈, 👆 💪 📜, 👀 🎛, ⏭ 👆 🔎 1️⃣ 👈 "💍 🔔":
+
+<img src="/img/python-types/image03.png">
+
+## 🌅 🎯
+
+✅ 👉 🔢, ⚫️ ⏪ ✔️ 🆎 🔑:
+
+```Python hl_lines="1"
+{!../../../docs_src/python_types/tutorial003.py!}
+```
+
+↩️ 👨🎨 💭 🆎 🔢, 👆 🚫 🕴 🤚 🛠️, 👆 🤚 ❌ ✅:
+
+<img src="/img/python-types/image04.png">
+
+🔜 👆 💭 👈 👆 ✔️ 🔧 ⚫️, 🗜 `age` 🎻 ⏮️ `str(age)`:
+
+```Python hl_lines="2"
+{!../../../docs_src/python_types/tutorial004.py!}
+```
+
+## 📣 🆎
+
+👆 👀 👑 🥉 📣 🆎 🔑. 🔢 🔢.
+
+👉 👑 🥉 👆 🔜 ⚙️ 👫 ⏮️ **FastAPI**.
+
+### 🙅 🆎
+
+👆 💪 📣 🌐 🐩 🐍 🆎, 🚫 🕴 `str`.
+
+👆 💪 ⚙️, 🖼:
+
+* `int`
+* `float`
+* `bool`
+* `bytes`
+
+```Python hl_lines="1"
+{!../../../docs_src/python_types/tutorial005.py!}
+```
+
+### 💊 🆎 ⏮️ 🆎 🔢
+
+📤 📊 📊 👈 💪 🔌 🎏 💲, 💖 `dict`, `list`, `set` & `tuple`. & 🔗 💲 💪 ✔️ 👫 👍 🆎 💁♂️.
+
+👉 🆎 👈 ✔️ 🔗 🆎 🤙 "**💊**" 🆎. & ⚫️ 💪 📣 👫, ⏮️ 👫 🔗 🆎.
+
+📣 👈 🆎 & 🔗 🆎, 👆 💪 ⚙️ 🐩 🐍 🕹 `typing`. ⚫️ 🔀 🎯 🐕🦺 👫 🆎 🔑.
+
+#### 🆕 ⏬ 🐍
+
+❕ ⚙️ `typing` **🔗** ⏮️ 🌐 ⏬, ⚪️➡️ 🐍 3️⃣.6️⃣ ⏪ 🕐, ✅ 🐍 3️⃣.9️⃣, 🐍 3️⃣.1️⃣0️⃣, ♒️.
+
+🐍 🏧, **🆕 ⏬** 👟 ⏮️ 📉 🐕🦺 👉 🆎 ✍ & 📚 💼 👆 🏆 🚫 💪 🗄 & ⚙️ `typing` 🕹 📣 🆎 ✍.
+
+🚥 👆 💪 ⚒ 🌖 ⏮️ ⏬ 🐍 👆 🏗, 👆 🔜 💪 ✊ 📈 👈 ➕ 🦁. 👀 🖼 🔛.
+
+#### 📇
+
+🖼, ➡️ 🔬 🔢 `list` `str`.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ⚪️➡️ `typing`, 🗄 `List` (⏮️ 🔠 `L`):
+
+ ``` Python hl_lines="1"
+ {!> ../../../docs_src/python_types/tutorial006.py!}
+ ```
+
+ 📣 🔢, ⏮️ 🎏 ❤ (`:`) ❕.
+
+ 🆎, 🚮 `List` 👈 👆 🗄 ⚪️➡️ `typing`.
+
+ 📇 🆎 👈 🔌 🔗 🆎, 👆 🚮 👫 ⬜ 🗜:
+
+ ```Python hl_lines="4"
+ {!> ../../../docs_src/python_types/tutorial006.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ 📣 🔢, ⏮️ 🎏 ❤ (`:`) ❕.
+
+ 🆎, 🚮 `list`.
+
+ 📇 🆎 👈 🔌 🔗 🆎, 👆 🚮 👫 ⬜ 🗜:
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/python_types/tutorial006_py39.py!}
+ ```
+
+!!! info
+ 👈 🔗 🆎 ⬜ 🗜 🤙 "🆎 🔢".
+
+ 👉 💼, `str` 🆎 🔢 🚶♀️ `List` (⚖️ `list` 🐍 3️⃣.9️⃣ & 🔛).
+
+👈 ⛓: "🔢 `items` `list`, & 🔠 🏬 👉 📇 `str`".
+
+!!! tip
+ 🚥 👆 ⚙️ 🐍 3️⃣.9️⃣ ⚖️ 🔛, 👆 🚫 ✔️ 🗄 `List` ⚪️➡️ `typing`, 👆 💪 ⚙️ 🎏 🥔 `list` 🆎 ↩️.
+
+🔨 👈, 👆 👨🎨 💪 🚚 🐕🦺 ⏪ 🏭 🏬 ⚪️➡️ 📇:
+
+<img src="/img/python-types/image05.png">
+
+🍵 🆎, 👈 🌖 💪 🏆.
+
+👀 👈 🔢 `item` 1️⃣ 🔣 📇 `items`.
+
+& , 👨🎨 💭 ⚫️ `str`, & 🚚 🐕🦺 👈.
+
+#### 🔢 & ⚒
+
+👆 🔜 🎏 📣 `tuple`Ⓜ & `set`Ⓜ:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 4"
+ {!> ../../../docs_src/python_types/tutorial007.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/python_types/tutorial007_py39.py!}
+ ```
+
+👉 ⛓:
+
+* 🔢 `items_t` `tuple` ⏮️ 3️⃣ 🏬, `int`, ➕1️⃣ `int`, & `str`.
+* 🔢 `items_s` `set`, & 🔠 🚮 🏬 🆎 `bytes`.
+
+#### #️⃣
+
+🔬 `dict`, 👆 🚶♀️ 2️⃣ 🆎 🔢, 🎏 ❕.
+
+🥇 🆎 🔢 🔑 `dict`.
+
+🥈 🆎 🔢 💲 `dict`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 4"
+ {!> ../../../docs_src/python_types/tutorial008.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/python_types/tutorial008_py39.py!}
+ ```
+
+👉 ⛓:
+
+* 🔢 `prices` `dict`:
+ * 🔑 👉 `dict` 🆎 `str` (➡️ 💬, 📛 🔠 🏬).
+ * 💲 👉 `dict` 🆎 `float` (➡️ 💬, 🔖 🔠 🏬).
+
+#### 🇪🇺
+
+👆 💪 📣 👈 🔢 💪 🙆 **📚 🆎**, 🖼, `int` ⚖️ `str`.
+
+🐍 3️⃣.6️⃣ & 🔛 (✅ 🐍 3️⃣.1️⃣0️⃣) 👆 💪 ⚙️ `Union` 🆎 ⚪️➡️ `typing` & 🚮 🔘 ⬜ 🗜 💪 🆎 🚫.
+
+🐍 3️⃣.1️⃣0️⃣ 📤 **🎛 ❕** 🌐❔ 👆 💪 🚮 💪 🆎 👽 <abbr title='also called "bitwise or operator", but that meaning is not relevant here'>⏸ ⏸ (`|`)</abbr>.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 4"
+ {!> ../../../docs_src/python_types/tutorial008b.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/python_types/tutorial008b_py310.py!}
+ ```
+
+👯♂️ 💼 👉 ⛓ 👈 `item` 💪 `int` ⚖️ `str`.
+
+#### 🎲 `None`
+
+👆 💪 📣 👈 💲 💪 ✔️ 🆎, 💖 `str`, ✋️ 👈 ⚫️ 💪 `None`.
+
+🐍 3️⃣.6️⃣ & 🔛 (✅ 🐍 3️⃣.1️⃣0️⃣) 👆 💪 📣 ⚫️ 🏭 & ⚙️ `Optional` ⚪️➡️ `typing` 🕹.
+
+```Python hl_lines="1 4"
+{!../../../docs_src/python_types/tutorial009.py!}
+```
+
+⚙️ `Optional[str]` ↩️ `str` 🔜 ➡️ 👨🎨 ℹ 👆 🔍 ❌ 🌐❔ 👆 💪 🤔 👈 💲 🕧 `str`, 🕐❔ ⚫️ 💪 🤙 `None` 💁♂️.
+
+`Optional[Something]` 🤙 ⌨ `Union[Something, None]`, 👫 🌓.
+
+👉 ⛓ 👈 🐍 3️⃣.1️⃣0️⃣, 👆 💪 ⚙️ `Something | None`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 4"
+ {!> ../../../docs_src/python_types/tutorial009.py!}
+ ```
+
+=== "🐍 3️⃣.6️⃣ & 🔛 - 🎛"
+
+ ```Python hl_lines="1 4"
+ {!> ../../../docs_src/python_types/tutorial009b.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/python_types/tutorial009_py310.py!}
+ ```
+
+#### ⚙️ `Union` ⚖️ `Optional`
+
+🚥 👆 ⚙️ 🐍 ⏬ 🔛 3️⃣.1️⃣0️⃣, 📥 💁♂ ⚪️➡️ 👇 📶 **🤔** ☝ 🎑:
+
+* 👶 ❎ ⚙️ `Optional[SomeType]`
+* ↩️ 👶 **⚙️ `Union[SomeType, None]`** 👶.
+
+👯♂️ 🌓 & 🔘 👫 🎏, ✋️ 👤 🔜 👍 `Union` ↩️ `Optional` ↩️ 🔤 "**📦**" 🔜 😑 🔑 👈 💲 📦, & ⚫️ 🤙 ⛓ "⚫️ 💪 `None`", 🚥 ⚫️ 🚫 📦 & ✔.
+
+👤 💭 `Union[SomeType, None]` 🌖 🔑 🔃 ⚫️❔ ⚫️ ⛓.
+
+⚫️ 🔃 🔤 & 📛. ✋️ 👈 🔤 💪 📉 ❔ 👆 & 👆 🤽♂ 💭 🔃 📟.
+
+🖼, ➡️ ✊ 👉 🔢:
+
+```Python hl_lines="1 4"
+{!../../../docs_src/python_types/tutorial009c.py!}
+```
+
+🔢 `name` 🔬 `Optional[str]`, ✋️ ⚫️ **🚫 📦**, 👆 🚫🔜 🤙 🔢 🍵 🔢:
+
+```Python
+say_hi() # Oh, no, this throws an error! 😱
+```
+
+`name` 🔢 **✔** (🚫 *📦*) ↩️ ⚫️ 🚫 ✔️ 🔢 💲. , `name` 🚫 `None` 💲:
+
+```Python
+say_hi(name=None) # This works, None is valid 🎉
+```
+
+👍 📰, 🕐 👆 🔛 🐍 3️⃣.1️⃣0️⃣ 👆 🏆 🚫 ✔️ 😟 🔃 👈, 👆 🔜 💪 🎯 ⚙️ `|` 🔬 🇪🇺 🆎:
+
+```Python hl_lines="1 4"
+{!../../../docs_src/python_types/tutorial009c_py310.py!}
+```
+
+& ⤴️ 👆 🏆 🚫 ✔️ 😟 🔃 📛 💖 `Optional` & `Union`. 👶
+
+#### 💊 🆎
+
+👉 🆎 👈 ✊ 🆎 🔢 ⬜ 🗜 🤙 **💊 🆎** ⚖️ **💊**, 🖼:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ * `List`
+ * `Tuple`
+ * `Set`
+ * `Dict`
+ * `Union`
+ * `Optional`
+ * ...& 🎏.
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ 👆 💪 ⚙️ 🎏 💽 🆎 💊 (⏮️ ⬜ 🗜 & 🆎 🔘):
+
+ * `list`
+ * `tuple`
+ * `set`
+ * `dict`
+
+ & 🎏 ⏮️ 🐍 3️⃣.6️⃣, ⚪️➡️ `typing` 🕹:
+
+ * `Union`
+ * `Optional`
+ * ...& 🎏.
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ 👆 💪 ⚙️ 🎏 💽 🆎 💊 (⏮️ ⬜ 🗜 & 🆎 🔘):
+
+ * `list`
+ * `tuple`
+ * `set`
+ * `dict`
+
+ & 🎏 ⏮️ 🐍 3️⃣.6️⃣, ⚪️➡️ `typing` 🕹:
+
+ * `Union`
+ * `Optional` (🎏 ⏮️ 🐍 3️⃣.6️⃣)
+ * ...& 🎏.
+
+ 🐍 3️⃣.1️⃣0️⃣, 🎛 ⚙️ 💊 `Union` & `Optional`, 👆 💪 ⚙️ <abbr title='also called "bitwise or operator", but that meaning is not relevant here'>⏸ ⏸ (`|`)</abbr> 📣 🇪🇺 🆎.
+
+### 🎓 🆎
+
+👆 💪 📣 🎓 🆎 🔢.
+
+➡️ 💬 👆 ✔️ 🎓 `Person`, ⏮️ 📛:
+
+```Python hl_lines="1-3"
+{!../../../docs_src/python_types/tutorial010.py!}
+```
+
+⤴️ 👆 💪 📣 🔢 🆎 `Person`:
+
+```Python hl_lines="6"
+{!../../../docs_src/python_types/tutorial010.py!}
+```
+
+& ⤴️, 🔄, 👆 🤚 🌐 👨🎨 🐕🦺:
+
+<img src="/img/python-types/image06.png">
+
+## Pydantic 🏷
+
+<a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> 🐍 🗃 🎭 📊 🔬.
+
+👆 📣 "💠" 💽 🎓 ⏮️ 🔢.
+
+& 🔠 🔢 ✔️ 🆎.
+
+⤴️ 👆 ✍ 👐 👈 🎓 ⏮️ 💲 & ⚫️ 🔜 ✔ 💲, 🗜 👫 ☑ 🆎 (🚥 👈 💼) & 🤝 👆 🎚 ⏮️ 🌐 💽.
+
+& 👆 🤚 🌐 👨🎨 🐕🦺 ⏮️ 👈 📉 🎚.
+
+🖼 ⚪️➡️ 🛂 Pydantic 🩺:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/python_types/tutorial011.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/python_types/tutorial011_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/python_types/tutorial011_py310.py!}
+ ```
+
+!!! info
+ 💡 🌖 🔃 <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic, ✅ 🚮 🩺</a>.
+
+**FastAPI** 🌐 ⚓️ 🔛 Pydantic.
+
+👆 🔜 👀 📚 🌅 🌐 👉 💡 [🔰 - 👩💻 🦮](tutorial/index.md){.internal-link target=_blank}.
+
+!!! tip
+ Pydantic ✔️ 🎁 🎭 🕐❔ 👆 ⚙️ `Optional` ⚖️ `Union[Something, None]` 🍵 🔢 💲, 👆 💪 ✍ 🌅 🔃 ⚫️ Pydantic 🩺 🔃 <a href="https://pydantic-docs.helpmanual.io/usage/models/#required-optional-fields" class="external-link" target="_blank">✔ 📦 🏑</a>.
+
+## 🆎 🔑 **FastAPI**
+
+**FastAPI** ✊ 📈 👫 🆎 🔑 📚 👜.
+
+⏮️ **FastAPI** 👆 📣 🔢 ⏮️ 🆎 🔑 & 👆 🤚:
+
+* **👨🎨 🐕🦺**.
+* **🆎 ✅**.
+
+...and **FastAPI** uses the same declarations :
+
+* **🔬 📄**: ⚪️➡️ 📨 ➡ 🔢, 🔢 🔢, 🎚, 💪, 🔗, ♒️.
+* **🗜 💽**: ⚪️➡️ 📨 🚚 🆎.
+* **✔ 💽**: 👟 ⚪️➡️ 🔠 📨:
+ * 🏭 **🏧 ❌** 📨 👩💻 🕐❔ 📊 ❌.
+* **📄** 🛠️ ⚙️ 🗄:
+ * ❔ ⤴️ ⚙️ 🏧 🎓 🧾 👩💻 🔢.
+
+👉 5️⃣📆 🌐 🔊 📝. 🚫 😟. 👆 🔜 👀 🌐 👉 🎯 [🔰 - 👩💻 🦮](tutorial/index.md){.internal-link target=_blank}.
+
+⚠ 👜 👈 ⚙️ 🐩 🐍 🆎, 👁 🥉 (↩️ ❎ 🌖 🎓, 👨🎨, ♒️), **FastAPI** 🔜 📚 👷 👆.
+
+!!! info
+ 🚥 👆 ⏪ 🚶 🔘 🌐 🔰 & 👟 🔙 👀 🌅 🔃 🆎, 👍 ℹ <a href="https://mypy.readthedocs.io/en/latest/cheat_sheet_py3.html" class="external-link" target="_blank"> "🎮 🎼" ⚪️➡️ `mypy`</a>.
--- /dev/null
+# 🖥 📋
+
+👆 💪 🔬 🖥 📋 🏃 *⏮️* 🛬 📨.
+
+👉 ⚠ 🛠️ 👈 💪 🔨 ⏮️ 📨, ✋️ 👈 👩💻 🚫 🤙 ✔️ ⌛ 🛠️ 🏁 ⏭ 📨 📨.
+
+👉 🔌, 🖼:
+
+* 📧 📨 📨 ⏮️ 🎭 🎯:
+ * 🔗 📧 💽 & 📨 📧 😑 "🐌" (📚 🥈), 👆 💪 📨 📨 ▶️️ ↖️ & 📨 📧 📨 🖥.
+* 🏭 💽:
+ * 🖼, ➡️ 💬 👆 📨 📁 👈 🔜 🚶 🔘 🐌 🛠️, 👆 💪 📨 📨 "🚫" (🇺🇸🔍 2️⃣0️⃣2️⃣) & 🛠️ ⚫️ 🖥.
+
+## ⚙️ `BackgroundTasks`
+
+🥇, 🗄 `BackgroundTasks` & 🔬 🔢 👆 *➡ 🛠️ 🔢* ⏮️ 🆎 📄 `BackgroundTasks`:
+
+```Python hl_lines="1 13"
+{!../../../docs_src/background_tasks/tutorial001.py!}
+```
+
+**FastAPI** 🔜 ✍ 🎚 🆎 `BackgroundTasks` 👆 & 🚶♀️ ⚫️ 👈 🔢.
+
+## ✍ 📋 🔢
+
+✍ 🔢 🏃 🖥 📋.
+
+⚫️ 🐩 🔢 👈 💪 📨 🔢.
+
+⚫️ 💪 `async def` ⚖️ 😐 `def` 🔢, **FastAPI** 🔜 💭 ❔ 🍵 ⚫️ ☑.
+
+👉 💼, 📋 🔢 🔜 ✍ 📁 (⚖ 📨 📧).
+
+& ✍ 🛠️ 🚫 ⚙️ `async` & `await`, 👥 🔬 🔢 ⏮️ 😐 `def`:
+
+```Python hl_lines="6-9"
+{!../../../docs_src/background_tasks/tutorial001.py!}
+```
+
+## 🚮 🖥 📋
+
+🔘 👆 *➡ 🛠️ 🔢*, 🚶♀️ 👆 📋 🔢 *🖥 📋* 🎚 ⏮️ 👩🔬 `.add_task()`:
+
+```Python hl_lines="14"
+{!../../../docs_src/background_tasks/tutorial001.py!}
+```
+
+`.add_task()` 📨 ❌:
+
+* 📋 🔢 🏃 🖥 (`write_notification`).
+* 🙆 🔁 ❌ 👈 🔜 🚶♀️ 📋 🔢 ✔ (`email`).
+* 🙆 🇨🇻 ❌ 👈 🔜 🚶♀️ 📋 🔢 (`message="some notification"`).
+
+## 🔗 💉
+
+⚙️ `BackgroundTasks` 👷 ⏮️ 🔗 💉 ⚙️, 👆 💪 📣 🔢 🆎 `BackgroundTasks` 💗 🎚: *➡ 🛠️ 🔢*, 🔗 (☑), 🎧-🔗, ♒️.
+
+**FastAPI** 💭 ⚫️❔ 🔠 💼 & ❔ 🏤-⚙️ 🎏 🎚, 👈 🌐 🖥 📋 🔗 👯♂️ & 🏃 🖥 ⏮️:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="13 15 22 25"
+ {!> ../../../docs_src/background_tasks/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="11 13 20 23"
+ {!> ../../../docs_src/background_tasks/tutorial002_py310.py!}
+ ```
+
+👉 🖼, 📧 🔜 ✍ `log.txt` 📁 *⏮️* 📨 📨.
+
+🚥 📤 🔢 📨, ⚫️ 🔜 ✍ 🕹 🖥 📋.
+
+& ⤴️ ➕1️⃣ 🖥 📋 🏗 *➡ 🛠️ 🔢* 🔜 ✍ 📧 ⚙️ `email` ➡ 🔢.
+
+## 📡 ℹ
+
+🎓 `BackgroundTasks` 👟 🔗 ⚪️➡️ <a href="https://www.starlette.io/background/" class="external-link" target="_blank">`starlette.background`</a>.
+
+⚫️ 🗄/🔌 🔗 🔘 FastAPI 👈 👆 💪 🗄 ⚫️ ⚪️➡️ `fastapi` & ❎ 😫 🗄 🎛 `BackgroundTask` (🍵 `s` 🔚) ⚪️➡️ `starlette.background`.
+
+🕴 ⚙️ `BackgroundTasks` (& 🚫 `BackgroundTask`), ⚫️ ⤴️ 💪 ⚙️ ⚫️ *➡ 🛠️ 🔢* 🔢 & ✔️ **FastAPI** 🍵 🎂 👆, 💖 🕐❔ ⚙️ `Request` 🎚 🔗.
+
+⚫️ 💪 ⚙️ `BackgroundTask` 😞 FastAPI, ✋️ 👆 ✔️ ✍ 🎚 👆 📟 & 📨 💃 `Response` 🔌 ⚫️.
+
+👆 💪 👀 🌖 ℹ <a href="https://www.starlette.io/background/" class="external-link" target="_blank">💃 🛂 🩺 🖥 📋</a>.
+
+## ⚠
+
+🚥 👆 💪 🎭 🏋️ 🖥 📊 & 👆 🚫 🎯 💪 ⚫️ 🏃 🎏 🛠️ (🖼, 👆 🚫 💪 💰 💾, 🔢, ♒️), 👆 💪 💰 ⚪️➡️ ⚙️ 🎏 🦏 🧰 💖 <a href="https://docs.celeryq.dev" class="external-link" target="_blank">🥒</a>.
+
+👫 😑 🚚 🌖 🏗 📳, 📧/👨🏭 📤 👨💼, 💖 ✳ ⚖️ ✳, ✋️ 👫 ✔ 👆 🏃 🖥 📋 💗 🛠️, & ✴️, 💗 💽.
+
+👀 🖼, ✅ [🏗 🚂](../project-generation.md){.internal-link target=_blank}, 👫 🌐 🔌 🥒 ⏪ 📶.
+
+✋️ 🚥 👆 💪 🔐 🔢 & 🎚 ⚪️➡️ 🎏 **FastAPI** 📱, ⚖️ 👆 💪 🎭 🤪 🖥 📋 (💖 📨 📧 📨), 👆 💪 🎯 ⚙️ `BackgroundTasks`.
+
+## 🌃
+
+🗄 & ⚙️ `BackgroundTasks` ⏮️ 🔢 *➡ 🛠️ 🔢* & 🔗 🚮 🖥 📋.
--- /dev/null
+# 🦏 🈸 - 💗 📁
+
+🚥 👆 🏗 🈸 ⚖️ 🕸 🛠️, ⚫️ 🛎 💼 👈 👆 💪 🚮 🌐 🔛 👁 📁.
+
+**FastAPI** 🚚 🏪 🧰 📊 👆 🈸 ⏪ 🚧 🌐 💪.
+
+!!! info
+ 🚥 👆 👟 ⚪️➡️ 🏺, 👉 🔜 🌓 🏺 📗.
+
+## 🖼 📁 📊
+
+➡️ 💬 👆 ✔️ 📁 📊 💖 👉:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+│ ├── dependencies.py
+│ └── routers
+│ │ ├── __init__.py
+│ │ ├── items.py
+│ │ └── users.py
+│ └── internal
+│ ├── __init__.py
+│ └── admin.py
+```
+
+!!! tip
+ 📤 📚 `__init__.py` 📁: 1️⃣ 🔠 📁 ⚖️ 📁.
+
+ 👉 ⚫️❔ ✔ 🏭 📟 ⚪️➡️ 1️⃣ 📁 🔘 ➕1️⃣.
+
+ 🖼, `app/main.py` 👆 💪 ✔️ ⏸ 💖:
+
+ ```
+ from app.routers import items
+ ```
+
+* `app` 📁 🔌 🌐. & ⚫️ ✔️ 🛁 📁 `app/__init__.py`, ⚫️ "🐍 📦" (🗃 "🐍 🕹"): `app`.
+* ⚫️ 🔌 `app/main.py` 📁. ⚫️ 🔘 🐍 📦 (📁 ⏮️ 📁 `__init__.py`), ⚫️ "🕹" 👈 📦: `app.main`.
+* 📤 `app/dependencies.py` 📁, 💖 `app/main.py`, ⚫️ "🕹": `app.dependencies`.
+* 📤 📁 `app/routers/` ⏮️ ➕1️⃣ 📁 `__init__.py`, ⚫️ "🐍 📦": `app.routers`.
+* 📁 `app/routers/items.py` 🔘 📦, `app/routers/`,, ⚫️ 🔁: `app.routers.items`.
+* 🎏 ⏮️ `app/routers/users.py`, ⚫️ ➕1️⃣ 🔁: `app.routers.users`.
+* 📤 📁 `app/internal/` ⏮️ ➕1️⃣ 📁 `__init__.py`, ⚫️ ➕1️⃣ "🐍 📦": `app.internal`.
+* & 📁 `app/internal/admin.py` ➕1️⃣ 🔁: `app.internal.admin`.
+
+<img src="/img/tutorial/bigger-applications/package.svg">
+
+🎏 📁 📊 ⏮️ 🏤:
+
+```
+.
+├── app # "app" is a Python package
+│ ├── __init__.py # this file makes "app" a "Python package"
+│ ├── main.py # "main" module, e.g. import app.main
+│ ├── dependencies.py # "dependencies" module, e.g. import app.dependencies
+│ └── routers # "routers" is a "Python subpackage"
+│ │ ├── __init__.py # makes "routers" a "Python subpackage"
+│ │ ├── items.py # "items" submodule, e.g. import app.routers.items
+│ │ └── users.py # "users" submodule, e.g. import app.routers.users
+│ └── internal # "internal" is a "Python subpackage"
+│ ├── __init__.py # makes "internal" a "Python subpackage"
+│ └── admin.py # "admin" submodule, e.g. import app.internal.admin
+```
+
+## `APIRouter`
+
+➡️ 💬 📁 💡 🚚 👩💻 🔁 `/app/routers/users.py`.
+
+👆 💚 ✔️ *➡ 🛠️* 🔗 👆 👩💻 👽 ⚪️➡️ 🎂 📟, 🚧 ⚫️ 🏗.
+
+✋️ ⚫️ 🍕 🎏 **FastAPI** 🈸/🕸 🛠️ (⚫️ 🍕 🎏 "🐍 📦").
+
+👆 💪 ✍ *➡ 🛠️* 👈 🕹 ⚙️ `APIRouter`.
+
+### 🗄 `APIRouter`
+
+👆 🗄 ⚫️ & ✍ "👐" 🎏 🌌 👆 🔜 ⏮️ 🎓 `FastAPI`:
+
+```Python hl_lines="1 3"
+{!../../../docs_src/bigger_applications/app/routers/users.py!}
+```
+
+### *➡ 🛠️* ⏮️ `APIRouter`
+
+& ⤴️ 👆 ⚙️ ⚫️ 📣 👆 *➡ 🛠️*.
+
+⚙️ ⚫️ 🎏 🌌 👆 🔜 ⚙️ `FastAPI` 🎓:
+
+```Python hl_lines="6 11 16"
+{!../../../docs_src/bigger_applications/app/routers/users.py!}
+```
+
+👆 💪 💭 `APIRouter` "🐩 `FastAPI`" 🎓.
+
+🌐 🎏 🎛 🐕🦺.
+
+🌐 🎏 `parameters`, `responses`, `dependencies`, `tags`, ♒️.
+
+!!! tip
+ 👉 🖼, 🔢 🤙 `router`, ✋️ 👆 💪 📛 ⚫️ 👐 👆 💚.
+
+👥 🔜 🔌 👉 `APIRouter` 👑 `FastAPI` 📱, ✋️ 🥇, ➡️ ✅ 🔗 & ➕1️⃣ `APIRouter`.
+
+## 🔗
+
+👥 👀 👈 👥 🔜 💪 🔗 ⚙️ 📚 🥉 🈸.
+
+👥 🚮 👫 👫 👍 `dependencies` 🕹 (`app/dependencies.py`).
+
+👥 🔜 🔜 ⚙️ 🙅 🔗 ✍ 🛃 `X-Token` 🎚:
+
+```Python hl_lines="1 4-6"
+{!../../../docs_src/bigger_applications/app/dependencies.py!}
+```
+
+!!! tip
+ 👥 ⚙️ 💭 🎚 📉 👉 🖼.
+
+ ✋️ 🎰 💼 👆 🔜 🤚 👍 🏁 ⚙️ 🛠️ [💂♂ 🚙](./security/index.md){.internal-link target=_blank}.
+
+## ➕1️⃣ 🕹 ⏮️ `APIRouter`
+
+➡️ 💬 👆 ✔️ 🔗 💡 🚚 "🏬" ⚪️➡️ 👆 🈸 🕹 `app/routers/items.py`.
+
+👆 ✔️ *➡ 🛠️* :
+
+* `/items/`
+* `/items/{item_id}`
+
+⚫️ 🌐 🎏 📊 ⏮️ `app/routers/users.py`.
+
+✋️ 👥 💚 🙃 & 📉 📟 🍖.
+
+👥 💭 🌐 *➡ 🛠️* 👉 🕹 ✔️ 🎏:
+
+* ➡ `prefix`: `/items`.
+* `tags`: (1️⃣ 🔖: `items`).
+* ➕ `responses`.
+* `dependencies`: 👫 🌐 💪 👈 `X-Token` 🔗 👥 ✍.
+
+, ↩️ ❎ 🌐 👈 🔠 *➡ 🛠️*, 👥 💪 🚮 ⚫️ `APIRouter`.
+
+```Python hl_lines="5-10 16 21"
+{!../../../docs_src/bigger_applications/app/routers/items.py!}
+```
+
+➡ 🔠 *➡ 🛠️* ✔️ ▶️ ⏮️ `/`, 💖:
+
+```Python hl_lines="1"
+@router.get("/{item_id}")
+async def read_item(item_id: str):
+ ...
+```
+
+...🔡 🔜 🚫 🔌 🏁 `/`.
+
+, 🔡 👉 💼 `/items`.
+
+👥 💪 🚮 📇 `tags` & ➕ `responses` 👈 🔜 ✔ 🌐 *➡ 🛠️* 🔌 👉 📻.
+
+& 👥 💪 🚮 📇 `dependencies` 👈 🔜 🚮 🌐 *➡ 🛠️* 📻 & 🔜 🛠️/❎ 🔠 📨 ⚒ 👫.
+
+!!! tip
+ 🗒 👈, 🌅 💖 [🔗 *➡ 🛠️ 👨🎨*](dependencies/dependencies-in-path-operation-decorators.md){.internal-link target=_blank}, 🙅♂ 💲 🔜 🚶♀️ 👆 *➡ 🛠️ 🔢*.
+
+🔚 🏁 👈 🏬 ➡ 🔜:
+
+* `/items/`
+* `/items/{item_id}`
+
+...👥 🎯.
+
+* 👫 🔜 ™ ⏮️ 📇 🔖 👈 🔌 👁 🎻 `"items"`.
+ * 👫 "🔖" ✴️ ⚠ 🏧 🎓 🧾 ⚙️ (⚙️ 🗄).
+* 🌐 👫 🔜 🔌 🔁 `responses`.
+* 🌐 👫 *➡ 🛠️* 🔜 ✔️ 📇 `dependencies` 🔬/🛠️ ⏭ 👫.
+ * 🚥 👆 📣 🔗 🎯 *➡ 🛠️*, **👫 🔜 🛠️ 💁♂️**.
+ * 📻 🔗 🛠️ 🥇, ⤴️ [`dependencies` 👨🎨](dependencies/dependencies-in-path-operation-decorators.md){.internal-link target=_blank}, & ⤴️ 😐 🔢 🔗.
+ * 👆 💪 🚮 [`Security` 🔗 ⏮️ `scopes`](../advanced/security/oauth2-scopes.md){.internal-link target=_blank}.
+
+!!! tip
+ ✔️ `dependencies` `APIRouter` 💪 ⚙️, 🖼, 🚚 🤝 🎂 👪 *➡ 🛠️*. 🚥 🔗 🚫 🚮 📦 🔠 1️⃣ 👫.
+
+!!! check
+ `prefix`, `tags`, `responses`, & `dependencies` 🔢 (📚 🎏 💼) ⚒ ⚪️➡️ **FastAPI** ℹ 👆 ❎ 📟 ❎.
+
+### 🗄 🔗
+
+👉 📟 👨❤👨 🕹 `app.routers.items`, 📁 `app/routers/items.py`.
+
+& 👥 💪 🤚 🔗 🔢 ⚪️➡️ 🕹 `app.dependencies`, 📁 `app/dependencies.py`.
+
+👥 ⚙️ ⚖ 🗄 ⏮️ `..` 🔗:
+
+```Python hl_lines="3"
+{!../../../docs_src/bigger_applications/app/routers/items.py!}
+```
+
+#### ❔ ⚖ 🗄 👷
+
+!!! tip
+ 🚥 👆 💭 👌 ❔ 🗄 👷, 😣 ⏭ 📄 🔛.
+
+👁 ❣ `.`, 💖:
+
+```Python
+from .dependencies import get_token_header
+```
+
+🔜 ⛓:
+
+* ▶️ 🎏 📦 👈 👉 🕹 (📁 `app/routers/items.py`) 🖖 (📁 `app/routers/`)...
+* 🔎 🕹 `dependencies` (👽 📁 `app/routers/dependencies.py`)...
+* & ⚪️➡️ ⚫️, 🗄 🔢 `get_token_header`.
+
+✋️ 👈 📁 🚫 🔀, 👆 🔗 📁 `app/dependencies.py`.
+
+💭 ❔ 👆 📱/📁 📊 👀 💖:
+
+<img src="/img/tutorial/bigger-applications/package.svg">
+
+---
+
+2️⃣ ❣ `..`, 💖:
+
+```Python
+from ..dependencies import get_token_header
+```
+
+⛓:
+
+* ▶️ 🎏 📦 👈 👉 🕹 (📁 `app/routers/items.py`) 🖖 (📁 `app/routers/`)...
+* 🚶 👪 📦 (📁 `app/`)...
+* & 📤, 🔎 🕹 `dependencies` (📁 `app/dependencies.py`)...
+* & ⚪️➡️ ⚫️, 🗄 🔢 `get_token_header`.
+
+👈 👷 ☑ ❗ 👶
+
+---
+
+🎏 🌌, 🚥 👥 ✔️ ⚙️ 3️⃣ ❣ `...`, 💖:
+
+```Python
+from ...dependencies import get_token_header
+```
+
+that 🔜 ⛓:
+
+* ▶️ 🎏 📦 👈 👉 🕹 (📁 `app/routers/items.py`) 🖖 (📁 `app/routers/`)...
+* 🚶 👪 📦 (📁 `app/`)...
+* ⤴️ 🚶 👪 👈 📦 (📤 🙅♂ 👪 📦, `app` 🔝 🎚 👶)...
+* & 📤, 🔎 🕹 `dependencies` (📁 `app/dependencies.py`)...
+* & ⚪️➡️ ⚫️, 🗄 🔢 `get_token_header`.
+
+👈 🔜 🔗 📦 🔛 `app/`, ⏮️ 🚮 👍 📁 `__init__.py`, ♒️. ✋️ 👥 🚫 ✔️ 👈. , 👈 🔜 🚮 ❌ 👆 🖼. 👶
+
+✋️ 🔜 👆 💭 ❔ ⚫️ 👷, 👆 💪 ⚙️ ⚖ 🗄 👆 👍 📱 🙅♂ 🤔 ❔ 🏗 👫. 👶
+
+### 🚮 🛃 `tags`, `responses`, & `dependencies`
+
+👥 🚫 ❎ 🔡 `/items` 🚫 `tags=["items"]` 🔠 *➡ 🛠️* ↩️ 👥 🚮 👫 `APIRouter`.
+
+✋️ 👥 💪 🚮 _🌅_ `tags` 👈 🔜 ✔ 🎯 *➡ 🛠️*, & ➕ `responses` 🎯 👈 *➡ 🛠️*:
+
+```Python hl_lines="30-31"
+{!../../../docs_src/bigger_applications/app/routers/items.py!}
+```
+
+!!! tip
+ 👉 🏁 ➡ 🛠️ 🔜 ✔️ 🌀 🔖: `["items", "custom"]`.
+
+ & ⚫️ 🔜 ✔️ 👯♂️ 📨 🧾, 1️⃣ `404` & 1️⃣ `403`.
+
+## 👑 `FastAPI`
+
+🔜, ➡️ 👀 🕹 `app/main.py`.
+
+📥 🌐❔ 👆 🗄 & ⚙️ 🎓 `FastAPI`.
+
+👉 🔜 👑 📁 👆 🈸 👈 👔 🌐 👯♂️.
+
+& 🏆 👆 ⚛ 🔜 🔜 🖖 🚮 👍 🎯 🕹, 👑 📁 🔜 🙅.
+
+### 🗄 `FastAPI`
+
+👆 🗄 & ✍ `FastAPI` 🎓 🛎.
+
+& 👥 💪 📣 [🌐 🔗](dependencies/global-dependencies.md){.internal-link target=_blank} 👈 🔜 🌀 ⏮️ 🔗 🔠 `APIRouter`:
+
+```Python hl_lines="1 3 7"
+{!../../../docs_src/bigger_applications/app/main.py!}
+```
+
+### 🗄 `APIRouter`
+
+🔜 👥 🗄 🎏 🔁 👈 ✔️ `APIRouter`Ⓜ:
+
+```Python hl_lines="5"
+{!../../../docs_src/bigger_applications/app/main.py!}
+```
+
+📁 `app/routers/users.py` & `app/routers/items.py` 🔁 👈 🍕 🎏 🐍 📦 `app`, 👥 💪 ⚙️ 👁 ❣ `.` 🗄 👫 ⚙️ "⚖ 🗄".
+
+### ❔ 🏭 👷
+
+📄:
+
+```Python
+from .routers import items, users
+```
+
+⛓:
+
+* ▶️ 🎏 📦 👈 👉 🕹 (📁 `app/main.py`) 🖖 (📁 `app/`)...
+* 👀 📦 `routers` (📁 `app/routers/`)...
+* & ⚪️➡️ ⚫️, 🗄 🔁 `items` (📁 `app/routers/items.py`) & `users` (📁 `app/routers/users.py`)...
+
+🕹 `items` 🔜 ✔️ 🔢 `router` (`items.router`). 👉 🎏 1️⃣ 👥 ✍ 📁 `app/routers/items.py`, ⚫️ `APIRouter` 🎚.
+
+& ⤴️ 👥 🎏 🕹 `users`.
+
+👥 💪 🗄 👫 💖:
+
+```Python
+from app.routers import items, users
+```
+
+!!! info
+ 🥇 ⏬ "⚖ 🗄":
+
+ ```Python
+ from .routers import items, users
+ ```
+
+ 🥈 ⏬ "🎆 🗄":
+
+ ```Python
+ from app.routers import items, users
+ ```
+
+ 💡 🌅 🔃 🐍 📦 & 🕹, ✍ <a href="https://docs.python.org/3/tutorial/modules.html" class="external-link" target="_blank">🛂 🐍 🧾 🔃 🕹</a>.
+
+### ❎ 📛 💥
+
+👥 🏭 🔁 `items` 🔗, ↩️ 🏭 🚮 🔢 `router`.
+
+👉 ↩️ 👥 ✔️ ➕1️⃣ 🔢 📛 `router` 🔁 `users`.
+
+🚥 👥 ✔️ 🗄 1️⃣ ⏮️ 🎏, 💖:
+
+```Python
+from .routers.items import router
+from .routers.users import router
+```
+
+`router` ⚪️➡️ `users` 🔜 📁 1️⃣ ⚪️➡️ `items` & 👥 🚫🔜 💪 ⚙️ 👫 🎏 🕰.
+
+, 💪 ⚙️ 👯♂️ 👫 🎏 📁, 👥 🗄 🔁 🔗:
+
+```Python hl_lines="4"
+{!../../../docs_src/bigger_applications/app/main.py!}
+```
+
+### 🔌 `APIRouter`Ⓜ `users` & `items`
+
+🔜, ➡️ 🔌 `router`Ⓜ ⚪️➡️ 🔁 `users` & `items`:
+
+```Python hl_lines="10-11"
+{!../../../docs_src/bigger_applications/app/main.py!}
+```
+
+!!! info
+ `users.router` 🔌 `APIRouter` 🔘 📁 `app/routers/users.py`.
+
+ & `items.router` 🔌 `APIRouter` 🔘 📁 `app/routers/items.py`.
+
+⏮️ `app.include_router()` 👥 💪 🚮 🔠 `APIRouter` 👑 `FastAPI` 🈸.
+
+⚫️ 🔜 🔌 🌐 🛣 ⚪️➡️ 👈 📻 🍕 ⚫️.
+
+!!! note "📡 ℹ"
+ ⚫️ 🔜 🤙 🔘 ✍ *➡ 🛠️* 🔠 *➡ 🛠️* 👈 📣 `APIRouter`.
+
+ , ⛅ 🎑, ⚫️ 🔜 🤙 👷 🚥 🌐 🎏 👁 📱.
+
+!!! check
+ 👆 🚫 ✔️ 😟 🔃 🎭 🕐❔ ✅ 📻.
+
+ 👉 🔜 ✊ ⏲ & 🔜 🕴 🔨 🕴.
+
+ ⚫️ 🏆 🚫 📉 🎭. 👶
+
+### 🔌 `APIRouter` ⏮️ 🛃 `prefix`, `tags`, `responses`, & `dependencies`
+
+🔜, ➡️ 🌈 👆 🏢 🤝 👆 `app/internal/admin.py` 📁.
+
+⚫️ 🔌 `APIRouter` ⏮️ 📡 *➡ 🛠️* 👈 👆 🏢 💰 🖖 📚 🏗.
+
+👉 🖼 ⚫️ 🔜 💎 🙅. ✋️ ➡️ 💬 👈 ↩️ ⚫️ 💰 ⏮️ 🎏 🏗 🏢, 👥 🚫🔜 🔀 ⚫️ & 🚮 `prefix`, `dependencies`, `tags`, ♒️. 🔗 `APIRouter`:
+
+```Python hl_lines="3"
+{!../../../docs_src/bigger_applications/app/internal/admin.py!}
+```
+
+✋️ 👥 💚 ⚒ 🛃 `prefix` 🕐❔ ✅ `APIRouter` 👈 🌐 🚮 *➡ 🛠️* ▶️ ⏮️ `/admin`, 👥 💚 🔐 ⚫️ ⏮️ `dependencies` 👥 ⏪ ✔️ 👉 🏗, & 👥 💚 🔌 `tags` & `responses`.
+
+👥 💪 📣 🌐 👈 🍵 ✔️ 🔀 ⏮️ `APIRouter` 🚶♀️ 👈 🔢 `app.include_router()`:
+
+```Python hl_lines="14-17"
+{!../../../docs_src/bigger_applications/app/main.py!}
+```
+
+👈 🌌, ⏮️ `APIRouter` 🔜 🚧 ⚗, 👥 💪 💰 👈 🎏 `app/internal/admin.py` 📁 ⏮️ 🎏 🏗 🏢.
+
+🏁 👈 👆 📱, 🔠 *➡ 🛠️* ⚪️➡️ `admin` 🕹 🔜 ✔️:
+
+* 🔡 `/admin`.
+* 🔖 `admin`.
+* 🔗 `get_token_header`.
+* 📨 `418`. 👶
+
+✋️ 👈 🔜 🕴 📉 👈 `APIRouter` 👆 📱, 🚫 🙆 🎏 📟 👈 ⚙️ ⚫️.
+
+, 🖼, 🎏 🏗 💪 ⚙️ 🎏 `APIRouter` ⏮️ 🎏 🤝 👩🔬.
+
+### 🔌 *➡ 🛠️*
+
+👥 💪 🚮 *➡ 🛠️* 🔗 `FastAPI` 📱.
+
+📥 👥 ⚫️... 🎦 👈 👥 💪 🤷:
+
+```Python hl_lines="21-23"
+{!../../../docs_src/bigger_applications/app/main.py!}
+```
+
+& ⚫️ 🔜 👷 ☑, 👯♂️ ⏮️ 🌐 🎏 *➡ 🛠️* 🚮 ⏮️ `app.include_router()`.
+
+!!! info "📶 📡 ℹ"
+ **🗒**: 👉 📶 📡 ℹ 👈 👆 🎲 💪 **🚶**.
+
+ ---
+
+ `APIRouter`Ⓜ 🚫 "🗻", 👫 🚫 👽 ⚪️➡️ 🎂 🈸.
+
+ 👉 ↩️ 👥 💚 🔌 👫 *➡ 🛠️* 🗄 🔗 & 👩💻 🔢.
+
+ 👥 🚫🔜 ❎ 👫 & "🗻" 👫 ➡ 🎂, *➡ 🛠️* "🖖" (🏤-✍), 🚫 🔌 🔗.
+
+## ✅ 🏧 🛠️ 🩺
+
+🔜, 🏃 `uvicorn`, ⚙️ 🕹 `app.main` & 🔢 `app`:
+
+<div class="termy">
+
+```console
+$ uvicorn app.main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+& 📂 🩺 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 🏧 🛠️ 🩺, ✅ ➡ ⚪️➡️ 🌐 🔁, ⚙️ ☑ ➡ (& 🔡) & ☑ 🔖:
+
+<img src="/img/tutorial/bigger-applications/image01.png">
+
+## 🔌 🎏 📻 💗 🕰 ⏮️ 🎏 `prefix`
+
+👆 💪 ⚙️ `.include_router()` 💗 🕰 ⏮️ *🎏* 📻 ⚙️ 🎏 🔡.
+
+👉 💪 ⚠, 🖼, 🎦 🎏 🛠️ 🔽 🎏 🔡, ✅ `/api/v1` & `/api/latest`.
+
+👉 🏧 ⚙️ 👈 👆 5️⃣📆 🚫 🤙 💪, ✋️ ⚫️ 📤 💼 👆.
+
+## 🔌 `APIRouter` ➕1️⃣
+
+🎏 🌌 👆 💪 🔌 `APIRouter` `FastAPI` 🈸, 👆 💪 🔌 `APIRouter` ➕1️⃣ `APIRouter` ⚙️:
+
+```Python
+router.include_router(other_router)
+```
+
+⚒ 💭 👆 ⚫️ ⏭ 🔌 `router` `FastAPI` 📱, 👈 *➡ 🛠️* ⚪️➡️ `other_router` 🔌.
--- /dev/null
+# 💪 - 🏑
+
+🎏 🌌 👆 💪 📣 🌖 🔬 & 🗃 *➡ 🛠️ 🔢* 🔢 ⏮️ `Query`, `Path` & `Body`, 👆 💪 📣 🔬 & 🗃 🔘 Pydantic 🏷 ⚙️ Pydantic `Field`.
+
+## 🗄 `Field`
+
+🥇, 👆 ✔️ 🗄 ⚫️:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="4"
+ {!> ../../../docs_src/body_fields/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="2"
+ {!> ../../../docs_src/body_fields/tutorial001_py310.py!}
+ ```
+
+!!! warning
+ 👀 👈 `Field` 🗄 🔗 ⚪️➡️ `pydantic`, 🚫 ⚪️➡️ `fastapi` 🌐 🎂 (`Query`, `Path`, `Body`, ♒️).
+
+## 📣 🏷 🔢
+
+👆 💪 ⤴️ ⚙️ `Field` ⏮️ 🏷 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="11-14"
+ {!> ../../../docs_src/body_fields/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="9-12"
+ {!> ../../../docs_src/body_fields/tutorial001_py310.py!}
+ ```
+
+`Field` 👷 🎏 🌌 `Query`, `Path` & `Body`, ⚫️ ✔️ 🌐 🎏 🔢, ♒️.
+
+!!! note "📡 ℹ"
+ 🤙, `Query`, `Path` & 🎏 👆 🔜 👀 ⏭ ✍ 🎚 🏿 ⚠ `Param` 🎓, ❔ ⚫️ 🏿 Pydantic `FieldInfo` 🎓.
+
+ & Pydantic `Field` 📨 👐 `FieldInfo` 👍.
+
+ `Body` 📨 🎚 🏿 `FieldInfo` 🔗. & 📤 🎏 👆 🔜 👀 ⏪ 👈 🏿 `Body` 🎓.
+
+ 💭 👈 🕐❔ 👆 🗄 `Query`, `Path`, & 🎏 ⚪️➡️ `fastapi`, 👈 🤙 🔢 👈 📨 🎁 🎓.
+
+!!! tip
+ 👀 ❔ 🔠 🏷 🔢 ⏮️ 🆎, 🔢 💲 & `Field` ✔️ 🎏 📊 *➡ 🛠️ 🔢* 🔢, ⏮️ `Field` ↩️ `Path`, `Query` & `Body`.
+
+## 🚮 ➕ ℹ
+
+👆 💪 📣 ➕ ℹ `Field`, `Query`, `Body`, ♒️. & ⚫️ 🔜 🔌 🏗 🎻 🔗.
+
+👆 🔜 💡 🌅 🔃 ❎ ➕ ℹ ⏪ 🩺, 🕐❔ 🏫 📣 🖼.
+
+!!! warning
+ ➕ 🔑 🚶♀️ `Field` 🔜 🎁 📉 🗄 🔗 👆 🈸.
+ 👫 🔑 5️⃣📆 🚫 🎯 🍕 🗄 🔧, 🗄 🧰, 🖼 [🗄 💳](https://validator.swagger.io/), 5️⃣📆 🚫 👷 ⏮️ 👆 🏗 🔗.
+
+## 🌃
+
+👆 💪 ⚙️ Pydantic `Field` 📣 ➕ 🔬 & 🗃 🏷 🔢.
+
+👆 💪 ⚙️ ➕ 🇨🇻 ❌ 🚶♀️ 🌖 🎻 🔗 🗃.
--- /dev/null
+# 💪 - 💗 🔢
+
+🔜 👈 👥 ✔️ 👀 ❔ ⚙️ `Path` & `Query`, ➡️ 👀 🌅 🏧 ⚙️ 📨 💪 📄.
+
+## 🌀 `Path`, `Query` & 💪 🔢
+
+🥇, ↗️, 👆 💪 🌀 `Path`, `Query` & 📨 💪 🔢 📄 ➡ & **FastAPI** 🔜 💭 ⚫️❔.
+
+& 👆 💪 📣 💪 🔢 📦, ⚒ 🔢 `None`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="19-21"
+ {!> ../../../docs_src/body_multiple_params/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17-19"
+ {!> ../../../docs_src/body_multiple_params/tutorial001_py310.py!}
+ ```
+
+!!! note
+ 👀 👈, 👉 💼, `item` 👈 🔜 ✊ ⚪️➡️ 💪 📦. ⚫️ ✔️ `None` 🔢 💲.
+
+## 💗 💪 🔢
+
+⏮️ 🖼, *➡ 🛠️* 🔜 ⌛ 🎻 💪 ⏮️ 🔢 `Item`, 💖:
+
+```JSON
+{
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2
+}
+```
+
+✋️ 👆 💪 📣 💗 💪 🔢, ✅ `item` & `user`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="22"
+ {!> ../../../docs_src/body_multiple_params/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="20"
+ {!> ../../../docs_src/body_multiple_params/tutorial002_py310.py!}
+ ```
+
+👉 💼, **FastAPI** 🔜 👀 👈 📤 🌅 🌘 1️⃣ 💪 🔢 🔢 (2️⃣ 🔢 👈 Pydantic 🏷).
+
+, ⚫️ 🔜 ⤴️ ⚙️ 🔢 📛 🔑 (🏑 📛) 💪, & ⌛ 💪 💖:
+
+```JSON
+{
+ "item": {
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2
+ },
+ "user": {
+ "username": "dave",
+ "full_name": "Dave Grohl"
+ }
+}
+```
+
+!!! note
+ 👀 👈 ✋️ `item` 📣 🎏 🌌 ⏭, ⚫️ 🔜 ⌛ 🔘 💪 ⏮️ 🔑 `item`.
+
+
+**FastAPI** 🔜 🏧 🛠️ ⚪️➡️ 📨, 👈 🔢 `item` 📨 ⚫️ 🎯 🎚 & 🎏 `user`.
+
+⚫️ 🔜 🎭 🔬 ⚗ 💽, & 🔜 📄 ⚫️ 💖 👈 🗄 🔗 & 🏧 🩺.
+
+## ⭐ 💲 💪
+
+🎏 🌌 📤 `Query` & `Path` 🔬 ➕ 💽 🔢 & ➡ 🔢, **FastAPI** 🚚 🌓 `Body`.
+
+🖼, ↔ ⏮️ 🏷, 👆 💪 💭 👈 👆 💚 ✔️ ➕1️⃣ 🔑 `importance` 🎏 💪, 🥈 `item` & `user`.
+
+🚥 👆 📣 ⚫️, ↩️ ⚫️ ⭐ 💲, **FastAPI** 🔜 🤔 👈 ⚫️ 🔢 🔢.
+
+✋️ 👆 💪 💡 **FastAPI** 😥 ⚫️ ➕1️⃣ 💪 🔑 ⚙️ `Body`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="22"
+ {!> ../../../docs_src/body_multiple_params/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="20"
+ {!> ../../../docs_src/body_multiple_params/tutorial003_py310.py!}
+ ```
+
+👉 💼, **FastAPI** 🔜 ⌛ 💪 💖:
+
+```JSON
+{
+ "item": {
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2
+ },
+ "user": {
+ "username": "dave",
+ "full_name": "Dave Grohl"
+ },
+ "importance": 5
+}
+```
+
+🔄, ⚫️ 🔜 🗜 📊 🆎, ✔, 📄, ♒️.
+
+## 💗 💪 = & 🔢
+
+↗️, 👆 💪 📣 🌖 🔢 🔢 🕐❔ 👆 💪, 🌖 🙆 💪 🔢.
+
+, 🔢, ⭐ 💲 🔬 🔢 🔢, 👆 🚫 ✔️ 🎯 🚮 `Query`, 👆 💪:
+
+```Python
+q: Union[str, None] = None
+```
+
+⚖️ 🐍 3️⃣.1️⃣0️⃣ & 🔛:
+
+```Python
+q: str | None = None
+```
+
+🖼:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="27"
+ {!> ../../../docs_src/body_multiple_params/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="26"
+ {!> ../../../docs_src/body_multiple_params/tutorial004_py310.py!}
+ ```
+
+!!! info
+ `Body` ✔️ 🌐 🎏 ➕ 🔬 & 🗃 🔢 `Query`,`Path` & 🎏 👆 🔜 👀 ⏪.
+
+## ⏯ 👁 💪 🔢
+
+➡️ 💬 👆 🕴 ✔️ 👁 `item` 💪 🔢 ⚪️➡️ Pydantic 🏷 `Item`.
+
+🔢, **FastAPI** 🔜 ⤴️ ⌛ 🚮 💪 🔗.
+
+✋️ 🚥 👆 💚 ⚫️ ⌛ 🎻 ⏮️ 🔑 `item` & 🔘 ⚫️ 🏷 🎚, ⚫️ 🔨 🕐❔ 👆 📣 ➕ 💪 🔢, 👆 💪 ⚙️ 🎁 `Body` 🔢 `embed`:
+
+```Python
+item: Item = Body(embed=True)
+```
+
+:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="17"
+ {!> ../../../docs_src/body_multiple_params/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="15"
+ {!> ../../../docs_src/body_multiple_params/tutorial005_py310.py!}
+ ```
+
+👉 💼 **FastAPI** 🔜 ⌛ 💪 💖:
+
+```JSON hl_lines="2"
+{
+ "item": {
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2
+ }
+}
+```
+
+↩️:
+
+```JSON
+{
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2
+}
+```
+
+## 🌃
+
+👆 💪 🚮 💗 💪 🔢 👆 *➡ 🛠️ 🔢*, ✋️ 📨 💪 🕴 ✔️ 👁 💪.
+
+✋️ **FastAPI** 🔜 🍵 ⚫️, 🤝 👆 ☑ 📊 👆 🔢, & ✔ & 📄 ☑ 🔗 *➡ 🛠️*.
+
+👆 💪 📣 ⭐ 💲 📨 🍕 💪.
+
+& 👆 💪 💡 **FastAPI** ⏯ 💪 🔑 🕐❔ 📤 🕴 👁 🔢 📣.
--- /dev/null
+# 💪 - 🔁 🏷
+
+⏮️ **FastAPI**, 👆 💪 🔬, ✔, 📄, & ⚙️ 🎲 🙇 🐦 🏷 (👏 Pydantic).
+
+## 📇 🏑
+
+👆 💪 🔬 🔢 🏾. 🖼, 🐍 `list`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="14"
+ {!> ../../../docs_src/body_nested_models/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="12"
+ {!> ../../../docs_src/body_nested_models/tutorial001_py310.py!}
+ ```
+
+👉 🔜 ⚒ `tags` 📇, 👐 ⚫️ 🚫 📣 🆎 🔣 📇.
+
+## 📇 🏑 ⏮️ 🆎 🔢
+
+✋️ 🐍 ✔️ 🎯 🌌 📣 📇 ⏮️ 🔗 🆎, ⚖️ "🆎 🔢":
+
+### 🗄 ⌨ `List`
+
+🐍 3️⃣.9️⃣ & 🔛 👆 💪 ⚙️ 🐩 `list` 📣 👫 🆎 ✍ 👥 🔜 👀 🔛. 👶
+
+✋️ 🐍 ⏬ ⏭ 3️⃣.9️⃣ (3️⃣.6️⃣ & 🔛), 👆 🥇 💪 🗄 `List` ⚪️➡️ 🐩 🐍 `typing` 🕹:
+
+```Python hl_lines="1"
+{!> ../../../docs_src/body_nested_models/tutorial002.py!}
+```
+
+### 📣 `list` ⏮️ 🆎 🔢
+
+📣 🆎 👈 ✔️ 🆎 🔢 (🔗 🆎), 💖 `list`, `dict`, `tuple`:
+
+* 🚥 👆 🐍 ⏬ 🔅 🌘 3️⃣.9️⃣, 🗄 👫 🌓 ⏬ ⚪️➡️ `typing` 🕹
+* 🚶♀️ 🔗 🆎(Ⓜ) "🆎 🔢" ⚙️ ⬜ 🗜: `[` & `]`
+
+🐍 3️⃣.9️⃣ ⚫️ 🔜:
+
+```Python
+my_list: list[str]
+```
+
+⏬ 🐍 ⏭ 3️⃣.9️⃣, ⚫️ 🔜:
+
+```Python
+from typing import List
+
+my_list: List[str]
+```
+
+👈 🌐 🐩 🐍 ❕ 🆎 📄.
+
+⚙️ 👈 🎏 🐩 ❕ 🏷 🔢 ⏮️ 🔗 🆎.
+
+, 👆 🖼, 👥 💪 ⚒ `tags` 🎯 "📇 🎻":
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="14"
+ {!> ../../../docs_src/body_nested_models/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="14"
+ {!> ../../../docs_src/body_nested_models/tutorial002_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="12"
+ {!> ../../../docs_src/body_nested_models/tutorial002_py310.py!}
+ ```
+
+## ⚒ 🆎
+
+✋️ ⤴️ 👥 💭 🔃 ⚫️, & 🤔 👈 🔖 🚫🔜 🚫 🔁, 👫 🔜 🎲 😍 🎻.
+
+& 🐍 ✔️ 🎁 💽 🆎 ⚒ 😍 🏬, `set`.
+
+⤴️ 👥 💪 📣 `tags` ⚒ 🎻:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 14"
+ {!> ../../../docs_src/body_nested_models/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="14"
+ {!> ../../../docs_src/body_nested_models/tutorial003_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="12"
+ {!> ../../../docs_src/body_nested_models/tutorial003_py310.py!}
+ ```
+
+⏮️ 👉, 🚥 👆 📨 📨 ⏮️ ❎ 📊, ⚫️ 🔜 🗜 ⚒ 😍 🏬.
+
+& 🕐❔ 👆 🔢 👈 📊, 🚥 ℹ ✔️ ❎, ⚫️ 🔜 🔢 ⚒ 😍 🏬.
+
+& ⚫️ 🔜 ✍ / 📄 ➡️ 💁♂️.
+
+## 🐦 🏷
+
+🔠 🔢 Pydantic 🏷 ✔️ 🆎.
+
+✋️ 👈 🆎 💪 ⚫️ ➕1️⃣ Pydantic 🏷.
+
+, 👆 💪 📣 🙇 🐦 🎻 "🎚" ⏮️ 🎯 🔢 📛, 🆎 & 🔬.
+
+🌐 👈, 🎲 🐦.
+
+### 🔬 📊
+
+🖼, 👥 💪 🔬 `Image` 🏷:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9-11"
+ {!> ../../../docs_src/body_nested_models/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="9-11"
+ {!> ../../../docs_src/body_nested_models/tutorial004_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7-9"
+ {!> ../../../docs_src/body_nested_models/tutorial004_py310.py!}
+ ```
+
+### ⚙️ 📊 🆎
+
+& ⤴️ 👥 💪 ⚙️ ⚫️ 🆎 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="20"
+ {!> ../../../docs_src/body_nested_models/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="20"
+ {!> ../../../docs_src/body_nested_models/tutorial004_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/body_nested_models/tutorial004_py310.py!}
+ ```
+
+👉 🔜 ⛓ 👈 **FastAPI** 🔜 ⌛ 💪 🎏:
+
+```JSON
+{
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2,
+ "tags": ["rock", "metal", "bar"],
+ "image": {
+ "url": "http://example.com/baz.jpg",
+ "name": "The Foo live"
+ }
+}
+```
+
+🔄, 🤸 👈 📄, ⏮️ **FastAPI** 👆 🤚:
+
+* 👨🎨 🐕🦺 (🛠️, ♒️), 🐦 🏷
+* 💽 🛠️
+* 💽 🔬
+* 🏧 🧾
+
+## 🎁 🆎 & 🔬
+
+↖️ ⚪️➡️ 😐 ⭐ 🆎 💖 `str`, `int`, `float`, ♒️. 👆 💪 ⚙️ 🌅 🏗 ⭐ 🆎 👈 😖 ⚪️➡️ `str`.
+
+👀 🌐 🎛 👆 ✔️, 🛒 🩺 <a href="https://pydantic-docs.helpmanual.io/usage/types/" class="external-link" target="_blank">Pydantic 😍 🆎</a>. 👆 🔜 👀 🖼 ⏭ 📃.
+
+🖼, `Image` 🏷 👥 ✔️ `url` 🏑, 👥 💪 📣 ⚫️ ↩️ `str`, Pydantic `HttpUrl`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="4 10"
+ {!> ../../../docs_src/body_nested_models/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="4 10"
+ {!> ../../../docs_src/body_nested_models/tutorial005_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="2 8"
+ {!> ../../../docs_src/body_nested_models/tutorial005_py310.py!}
+ ```
+
+🎻 🔜 ✅ ☑ 📛, & 📄 🎻 🔗 / 🗄 ✅.
+
+## 🔢 ⏮️ 📇 📊
+
+👆 💪 ⚙️ Pydantic 🏷 🏾 `list`, `set`, ♒️:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="20"
+ {!> ../../../docs_src/body_nested_models/tutorial006.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="20"
+ {!> ../../../docs_src/body_nested_models/tutorial006_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/body_nested_models/tutorial006_py310.py!}
+ ```
+
+👉 🔜 ⌛ (🗜, ✔, 📄, ♒️) 🎻 💪 💖:
+
+```JSON hl_lines="11"
+{
+ "name": "Foo",
+ "description": "The pretender",
+ "price": 42.0,
+ "tax": 3.2,
+ "tags": [
+ "rock",
+ "metal",
+ "bar"
+ ],
+ "images": [
+ {
+ "url": "http://example.com/baz.jpg",
+ "name": "The Foo live"
+ },
+ {
+ "url": "http://example.com/dave.jpg",
+ "name": "The Baz"
+ }
+ ]
+}
+```
+
+!!! info
+ 👀 ❔ `images` 🔑 🔜 ✔️ 📇 🖼 🎚.
+
+## 🙇 🐦 🏷
+
+👆 💪 🔬 🎲 🙇 🐦 🏷:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9 14 20 23 27"
+ {!> ../../../docs_src/body_nested_models/tutorial007.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="9 14 20 23 27"
+ {!> ../../../docs_src/body_nested_models/tutorial007_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7 12 18 21 25"
+ {!> ../../../docs_src/body_nested_models/tutorial007_py310.py!}
+ ```
+
+!!! info
+ 👀 ❔ `Offer` ✔️ 📇 `Item`Ⓜ, ❔ 🔄 ✔️ 📦 📇 `Image`Ⓜ
+
+## 💪 😁 📇
+
+🚥 🔝 🎚 💲 🎻 💪 👆 ⌛ 🎻 `array` (🐍 `list`), 👆 💪 📣 🆎 🔢 🔢, 🎏 Pydantic 🏷:
+
+```Python
+images: List[Image]
+```
+
+⚖️ 🐍 3️⃣.9️⃣ & 🔛:
+
+```Python
+images: list[Image]
+```
+
+:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="15"
+ {!> ../../../docs_src/body_nested_models/tutorial008.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="13"
+ {!> ../../../docs_src/body_nested_models/tutorial008_py39.py!}
+ ```
+
+## 👨🎨 🐕🦺 🌐
+
+& 👆 🤚 👨🎨 🐕🦺 🌐.
+
+🏬 🔘 📇:
+
+<img src="/img/tutorial/body-nested-models/image01.png">
+
+👆 🚫 🚫 🤚 👉 😇 👨🎨 🐕🦺 🚥 👆 👷 🔗 ⏮️ `dict` ↩️ Pydantic 🏷.
+
+✋️ 👆 🚫 ✔️ 😟 🔃 👫 👯♂️, 📨 #️⃣ 🗜 🔁 & 👆 🔢 🗜 🔁 🎻 💁♂️.
+
+## 💪 ❌ `dict`Ⓜ
+
+👆 💪 📣 💪 `dict` ⏮️ 🔑 🆎 & 💲 🎏 🆎.
+
+🍵 ✔️ 💭 ⏪ ⚫️❔ ☑ 🏑/🔢 📛 (🔜 💼 ⏮️ Pydantic 🏷).
+
+👉 🔜 ⚠ 🚥 👆 💚 📨 🔑 👈 👆 🚫 ⏪ 💭.
+
+---
+
+🎏 ⚠ 💼 🕐❔ 👆 💚 ✔️ 🔑 🎏 🆎, ✅ `int`.
+
+👈 ⚫️❔ 👥 🔜 👀 📥.
+
+👉 💼, 👆 🔜 🚫 🙆 `dict` 📏 ⚫️ ✔️ `int` 🔑 ⏮️ `float` 💲:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/body_nested_models/tutorial009.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/body_nested_models/tutorial009_py39.py!}
+ ```
+
+!!! tip
+ ✔️ 🤯 👈 🎻 🕴 🐕🦺 `str` 🔑.
+
+ ✋️ Pydantic ✔️ 🏧 💽 🛠️.
+
+ 👉 ⛓ 👈, ✋️ 👆 🛠️ 👩💻 💪 🕴 📨 🎻 🔑, 📏 👈 🎻 🔌 😁 🔢, Pydantic 🔜 🗜 👫 & ✔ 👫.
+
+ & `dict` 👆 📨 `weights` 🔜 🤙 ✔️ `int` 🔑 & `float` 💲.
+
+## 🌃
+
+⏮️ **FastAPI** 👆 ✔️ 🔆 💪 🚚 Pydantic 🏷, ⏪ 🚧 👆 📟 🙅, 📏 & 😍.
+
+✋️ ⏮️ 🌐 💰:
+
+* 👨🎨 🐕🦺 (🛠️ 🌐 ❗)
+* 💽 🛠️ (.Ⓜ.. ✍ / 🛠️)
+* 💽 🔬
+* 🔗 🧾
+* 🏧 🩺
--- /dev/null
+# 💪 - ℹ
+
+## ℹ ❎ ⏮️ `PUT`
+
+ℹ 🏬 👆 💪 ⚙️ <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/PUT" class="external-link" target="_blank">🇺🇸🔍 `PUT`</a> 🛠️.
+
+👆 💪 ⚙️ `jsonable_encoder` 🗜 🔢 💽 📊 👈 💪 🏪 🎻 (✅ ⏮️ ☁ 💽). 🖼, 🏭 `datetime` `str`.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="30-35"
+ {!> ../../../docs_src/body_updates/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="30-35"
+ {!> ../../../docs_src/body_updates/tutorial001_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="28-33"
+ {!> ../../../docs_src/body_updates/tutorial001_py310.py!}
+ ```
+
+`PUT` ⚙️ 📨 💽 👈 🔜 ❎ ♻ 💽.
+
+### ⚠ 🔃 ❎
+
+👈 ⛓ 👈 🚥 👆 💚 ℹ 🏬 `bar` ⚙️ `PUT` ⏮️ 💪 ⚗:
+
+```Python
+{
+ "name": "Barz",
+ "price": 3,
+ "description": None,
+}
+```
+
+↩️ ⚫️ 🚫 🔌 ⏪ 🏪 🔢 `"tax": 20.2`, 🔢 🏷 🔜 ✊ 🔢 💲 `"tax": 10.5`.
+
+& 📊 🔜 🖊 ⏮️ 👈 "🆕" `tax` `10.5`.
+
+## 🍕 ℹ ⏮️ `PATCH`
+
+👆 💪 ⚙️ <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/PATCH" class="external-link" target="_blank">🇺🇸🔍 `PATCH`</a> 🛠️ *🍕* ℹ 💽.
+
+👉 ⛓ 👈 👆 💪 📨 🕴 💽 👈 👆 💚 ℹ, 🍂 🎂 🐣.
+
+!!! Note
+ `PATCH` 🌘 🛎 ⚙️ & 💭 🌘 `PUT`.
+
+ & 📚 🏉 ⚙️ 🕴 `PUT`, 🍕 ℹ.
+
+ 👆 **🆓** ⚙️ 👫 👐 👆 💚, **FastAPI** 🚫 🚫 🙆 🚫.
+
+ ✋️ 👉 🦮 🎦 👆, 🌖 ⚖️ 🌘, ❔ 👫 🎯 ⚙️.
+
+### ⚙️ Pydantic `exclude_unset` 🔢
+
+🚥 👆 💚 📨 🍕 ℹ, ⚫️ 📶 ⚠ ⚙️ 🔢 `exclude_unset` Pydantic 🏷 `.dict()`.
+
+💖 `item.dict(exclude_unset=True)`.
+
+👈 🔜 🏗 `dict` ⏮️ 🕴 💽 👈 ⚒ 🕐❔ 🏗 `item` 🏷, 🚫 🔢 💲.
+
+⤴️ 👆 💪 ⚙️ 👉 🏗 `dict` ⏮️ 🕴 💽 👈 ⚒ (📨 📨), 🚫 🔢 💲:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="34"
+ {!> ../../../docs_src/body_updates/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="34"
+ {!> ../../../docs_src/body_updates/tutorial002_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="32"
+ {!> ../../../docs_src/body_updates/tutorial002_py310.py!}
+ ```
+
+### ⚙️ Pydantic `update` 🔢
+
+🔜, 👆 💪 ✍ 📁 ♻ 🏷 ⚙️ `.copy()`, & 🚶♀️ `update` 🔢 ⏮️ `dict` ⚗ 💽 ℹ.
+
+💖 `stored_item_model.copy(update=update_data)`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="35"
+ {!> ../../../docs_src/body_updates/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="35"
+ {!> ../../../docs_src/body_updates/tutorial002_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="33"
+ {!> ../../../docs_src/body_updates/tutorial002_py310.py!}
+ ```
+
+### 🍕 ℹ 🌃
+
+📄, ✔ 🍕 ℹ 👆 🔜:
+
+* (⚗) ⚙️ `PATCH` ↩️ `PUT`.
+* 🗃 🏪 💽.
+* 🚮 👈 💽 Pydantic 🏷.
+* 🏗 `dict` 🍵 🔢 💲 ⚪️➡️ 🔢 🏷 (⚙️ `exclude_unset`).
+ * 👉 🌌 👆 💪 ℹ 🕴 💲 🤙 ⚒ 👩💻, ↩️ 🔐 💲 ⏪ 🏪 ⏮️ 🔢 💲 👆 🏷.
+* ✍ 📁 🏪 🏷, 🛠️ ⚫️ 🔢 ⏮️ 📨 🍕 ℹ (⚙️ `update` 🔢).
+* 🗜 📁 🏷 🕳 👈 💪 🏪 👆 💽 (🖼, ⚙️ `jsonable_encoder`).
+ * 👉 ⭐ ⚙️ 🏷 `.dict()` 👩🔬 🔄, ✋️ ⚫️ ⚒ 💭 (& 🗜) 💲 💽 🆎 👈 💪 🗜 🎻, 🖼, `datetime` `str`.
+* 🖊 💽 👆 💽.
+* 📨 ℹ 🏷.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="30-37"
+ {!> ../../../docs_src/body_updates/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="30-37"
+ {!> ../../../docs_src/body_updates/tutorial002_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="28-35"
+ {!> ../../../docs_src/body_updates/tutorial002_py310.py!}
+ ```
+
+!!! tip
+ 👆 💪 🤙 ⚙️ 👉 🎏 ⚒ ⏮️ 🇺🇸🔍 `PUT` 🛠️.
+
+ ✋️ 🖼 📥 ⚙️ `PATCH` ↩️ ⚫️ ✍ 👫 ⚙️ 💼.
+
+!!! note
+ 👀 👈 🔢 🏷 ✔.
+
+ , 🚥 👆 💚 📨 🍕 ℹ 👈 💪 🚫 🌐 🔢, 👆 💪 ✔️ 🏷 ⏮️ 🌐 🔢 ™ 📦 (⏮️ 🔢 💲 ⚖️ `None`).
+
+ 🔬 ⚪️➡️ 🏷 ⏮️ 🌐 📦 💲 **ℹ** & 🏷 ⏮️ ✔ 💲 **🏗**, 👆 💪 ⚙️ 💭 🔬 [➕ 🏷](extra-models.md){.internal-link target=_blank}.
--- /dev/null
+# 📨 💪
+
+🕐❔ 👆 💪 📨 📊 ⚪️➡️ 👩💻 (➡️ 💬, 🖥) 👆 🛠️, 👆 📨 ⚫️ **📨 💪**.
+
+**📨** 💪 📊 📨 👩💻 👆 🛠️. **📨** 💪 💽 👆 🛠️ 📨 👩💻.
+
+👆 🛠️ 🌖 🕧 ✔️ 📨 **📨** 💪. ✋️ 👩💻 🚫 🎯 💪 📨 **📨** 💪 🌐 🕰.
+
+📣 **📨** 💪, 👆 ⚙️ <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> 🏷 ⏮️ 🌐 👫 🏋️ & 💰.
+
+!!! info
+ 📨 💽, 👆 🔜 ⚙️ 1️⃣: `POST` (🌅 ⚠), `PUT`, `DELETE` ⚖️ `PATCH`.
+
+ 📨 💪 ⏮️ `GET` 📨 ✔️ ⚠ 🎭 🔧, 👐, ⚫️ 🐕🦺 FastAPI, 🕴 📶 🏗/😕 ⚙️ 💼.
+
+ ⚫️ 🚫, 🎓 🩺 ⏮️ 🦁 🎚 🏆 🚫 🎦 🧾 💪 🕐❔ ⚙️ `GET`, & 🗳 🖕 💪 🚫 🐕🦺 ⚫️.
+
+## 🗄 Pydantic `BaseModel`
+
+🥇, 👆 💪 🗄 `BaseModel` ⚪️➡️ `pydantic`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="4"
+ {!> ../../../docs_src/body/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="2"
+ {!> ../../../docs_src/body/tutorial001_py310.py!}
+ ```
+
+## ✍ 👆 💽 🏷
+
+⤴️ 👆 📣 👆 💽 🏷 🎓 👈 😖 ⚪️➡️ `BaseModel`.
+
+⚙️ 🐩 🐍 🆎 🌐 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="7-11"
+ {!> ../../../docs_src/body/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="5-9"
+ {!> ../../../docs_src/body/tutorial001_py310.py!}
+ ```
+
+🎏 🕐❔ 📣 🔢 🔢, 🕐❔ 🏷 🔢 ✔️ 🔢 💲, ⚫️ 🚫 ✔. ⏪, ⚫️ ✔. ⚙️ `None` ⚒ ⚫️ 📦.
+
+🖼, 👉 🏷 🔛 📣 🎻 "`object`" (⚖️ 🐍 `dict`) 💖:
+
+```JSON
+{
+ "name": "Foo",
+ "description": "An optional description",
+ "price": 45.2,
+ "tax": 3.5
+}
+```
+
+... `description` & `tax` 📦 (⏮️ 🔢 💲 `None`), 👉 🎻 "`object`" 🔜 ☑:
+
+```JSON
+{
+ "name": "Foo",
+ "price": 45.2
+}
+```
+
+## 📣 ⚫️ 🔢
+
+🚮 ⚫️ 👆 *➡ 🛠️*, 📣 ⚫️ 🎏 🌌 👆 📣 ➡ & 🔢 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/body/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="16"
+ {!> ../../../docs_src/body/tutorial001_py310.py!}
+ ```
+
+...& 📣 🚮 🆎 🏷 👆 ✍, `Item`.
+
+## 🏁
+
+⏮️ 👈 🐍 🆎 📄, **FastAPI** 🔜:
+
+* ✍ 💪 📨 🎻.
+* 🗜 🔗 🆎 (🚥 💪).
+* ✔ 💽.
+ * 🚥 💽 ❌, ⚫️ 🔜 📨 👌 & 🆑 ❌, ☠️ ⚫️❔ 🌐❔ & ⚫️❔ ❌ 📊.
+* 🤝 👆 📨 📊 🔢 `item`.
+ * 👆 📣 ⚫️ 🔢 🆎 `Item`, 👆 🔜 ✔️ 🌐 👨🎨 🐕🦺 (🛠️, ♒️) 🌐 🔢 & 👫 🆎.
+* 🏗 <a href="https://json-schema.org" class="external-link" target="_blank">🎻 🔗</a> 🔑 👆 🏷, 👆 💪 ⚙️ 👫 🙆 🙆 👆 💖 🚥 ⚫️ ⚒ 🔑 👆 🏗.
+* 👈 🔗 🔜 🍕 🏗 🗄 🔗, & ⚙️ 🏧 🧾 <abbr title="User Interfaces">⚜</abbr>.
+
+## 🏧 🩺
+
+🎻 🔗 👆 🏷 🔜 🍕 👆 🗄 🏗 🔗, & 🔜 🎦 🎓 🛠️ 🩺:
+
+<img src="/img/tutorial/body/image01.png">
+
+& 🔜 ⚙️ 🛠️ 🩺 🔘 🔠 *➡ 🛠️* 👈 💪 👫:
+
+<img src="/img/tutorial/body/image02.png">
+
+## 👨🎨 🐕🦺
+
+👆 👨🎨, 🔘 👆 🔢 👆 🔜 🤚 🆎 🔑 & 🛠️ 🌐 (👉 🚫🔜 🔨 🚥 👆 📨 `dict` ↩️ Pydantic 🏷):
+
+<img src="/img/tutorial/body/image03.png">
+
+👆 🤚 ❌ ✅ ❌ 🆎 🛠️:
+
+<img src="/img/tutorial/body/image04.png">
+
+👉 🚫 🤞, 🎂 🛠️ 🏗 🤭 👈 🔧.
+
+& ⚫️ 🙇 💯 🔧 🌓, ⏭ 🙆 🛠️, 🚚 ⚫️ 🔜 👷 ⏮️ 🌐 👨🎨.
+
+📤 🔀 Pydantic ⚫️ 🐕🦺 👉.
+
+⏮️ 🖼 ✊ ⏮️ <a href="https://code.visualstudio.com" class="external-link" target="_blank">🎙 🎙 📟</a>.
+
+✋️ 👆 🔜 🤚 🎏 👨🎨 🐕🦺 ⏮️ <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">🗒</a> & 🌅 🎏 🐍 👨🎨:
+
+<img src="/img/tutorial/body/image05.png">
+
+!!! tip
+ 🚥 👆 ⚙️ <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">🗒</a> 👆 👨🎨, 👆 💪 ⚙️ <a href="https://github.com/koxudaxi/pydantic-pycharm-plugin/" class="external-link" target="_blank">Pydantic 🗒 📁</a>.
+
+ ⚫️ 📉 👨🎨 🐕🦺 Pydantic 🏷, ⏮️:
+
+ * 🚘-🛠️
+ * 🆎 ✅
+ * 🛠️
+ * 🔎
+ * 🔬
+
+## ⚙️ 🏷
+
+🔘 🔢, 👆 💪 🔐 🌐 🔢 🏷 🎚 🔗:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="21"
+ {!> ../../../docs_src/body/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="19"
+ {!> ../../../docs_src/body/tutorial002_py310.py!}
+ ```
+
+## 📨 💪 ➕ ➡ 🔢
+
+👆 💪 📣 ➡ 🔢 & 📨 💪 🎏 🕰.
+
+**FastAPI** 🔜 🤔 👈 🔢 🔢 👈 🏏 ➡ 🔢 🔜 **✊ ⚪️➡️ ➡**, & 👈 🔢 🔢 👈 📣 Pydantic 🏷 🔜 **✊ ⚪️➡️ 📨 💪**.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="17-18"
+ {!> ../../../docs_src/body/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="15-16"
+ {!> ../../../docs_src/body/tutorial003_py310.py!}
+ ```
+
+## 📨 💪 ➕ ➡ ➕ 🔢 🔢
+
+👆 💪 📣 **💪**, **➡** & **🔢** 🔢, 🌐 🎏 🕰.
+
+**FastAPI** 🔜 🤔 🔠 👫 & ✊ 📊 ⚪️➡️ ☑ 🥉.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/body/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="16"
+ {!> ../../../docs_src/body/tutorial004_py310.py!}
+ ```
+
+🔢 🔢 🔜 🤔 ⏩:
+
+* 🚥 🔢 📣 **➡**, ⚫️ 🔜 ⚙️ ➡ 🔢.
+* 🚥 🔢 **⭐ 🆎** (💖 `int`, `float`, `str`, `bool`, ♒️) ⚫️ 🔜 🔬 **🔢** 🔢.
+* 🚥 🔢 📣 🆎 **Pydantic 🏷**, ⚫️ 🔜 🔬 📨 **💪**.
+
+!!! note
+ FastAPI 🔜 💭 👈 💲 `q` 🚫 ✔ ↩️ 🔢 💲 `= None`.
+
+ `Union` `Union[str, None]` 🚫 ⚙️ FastAPI, ✋️ 🔜 ✔ 👆 👨🎨 🤝 👆 👍 🐕🦺 & 🔍 ❌.
+
+## 🍵 Pydantic
+
+🚥 👆 🚫 💚 ⚙️ Pydantic 🏷, 👆 💪 ⚙️ **💪** 🔢. 👀 🩺 [💪 - 💗 🔢: ⭐ 💲 💪](body-multiple-params.md#singular-values-in-body){.internal-link target=_blank}.
--- /dev/null
+# 🍪 🔢
+
+👆 💪 🔬 🍪 🔢 🎏 🌌 👆 🔬 `Query` & `Path` 🔢.
+
+## 🗄 `Cookie`
+
+🥇 🗄 `Cookie`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3"
+ {!> ../../../docs_src/cookie_params/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/cookie_params/tutorial001_py310.py!}
+ ```
+
+## 📣 `Cookie` 🔢
+
+⤴️ 📣 🍪 🔢 ⚙️ 🎏 📊 ⏮️ `Path` & `Query`.
+
+🥇 💲 🔢 💲, 👆 💪 🚶♀️ 🌐 ➕ 🔬 ⚖️ ✍ 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/cookie_params/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/cookie_params/tutorial001_py310.py!}
+ ```
+
+!!! note "📡 ℹ"
+ `Cookie` "👭" 🎓 `Path` & `Query`. ⚫️ 😖 ⚪️➡️ 🎏 ⚠ `Param` 🎓.
+
+ ✋️ 💭 👈 🕐❔ 👆 🗄 `Query`, `Path`, `Cookie` & 🎏 ⚪️➡️ `fastapi`, 👈 🤙 🔢 👈 📨 🎁 🎓.
+
+!!! info
+ 📣 🍪, 👆 💪 ⚙️ `Cookie`, ↩️ ⏪ 🔢 🔜 🔬 🔢 🔢.
+
+## 🌃
+
+📣 🍪 ⏮️ `Cookie`, ⚙️ 🎏 ⚠ ⚓ `Query` & `Path`.
--- /dev/null
+# ⚜ (✖️-🇨🇳 ℹ 🤝)
+
+<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">⚜ ⚖️ "✖️-🇨🇳 ℹ 🤝"</a> 🔗 ⚠ 🕐❔ 🕸 🏃♂ 🖥 ✔️ 🕸 📟 👈 🔗 ⏮️ 👩💻, & 👩💻 🎏 "🇨🇳" 🌘 🕸.
+
+## 🇨🇳
+
+🇨🇳 🌀 🛠️ (`http`, `https`), 🆔 (`myapp.com`, `localhost`, `localhost.tiangolo.com`), & ⛴ (`80`, `443`, `8080`).
+
+, 🌐 👫 🎏 🇨🇳:
+
+* `http://localhost`
+* `https://localhost`
+* `http://localhost:8080`
+
+🚥 👫 🌐 `localhost`, 👫 ⚙️ 🎏 🛠️ ⚖️ ⛴,, 👫 🎏 "🇨🇳".
+
+## 🔁
+
+, ➡️ 💬 👆 ✔️ 🕸 🏃 👆 🖥 `http://localhost:8080`, & 🚮 🕸 🔄 🔗 ⏮️ 👩💻 🏃 `http://localhost` (↩️ 👥 🚫 ✔ ⛴, 🖥 🔜 🤔 🔢 ⛴ `80`).
+
+⤴️, 🖥 🔜 📨 🇺🇸🔍 `OPTIONS` 📨 👩💻, & 🚥 👩💻 📨 ☑ 🎚 ✔ 📻 ⚪️➡️ 👉 🎏 🇨🇳 (`http://localhost:8080`) ⤴️ 🖥 🔜 ➡️ 🕸 🕸 📨 🚮 📨 👩💻.
+
+🏆 👉, 👩💻 🔜 ✔️ 📇 "✔ 🇨🇳".
+
+👉 💼, ⚫️ 🔜 ✔️ 🔌 `http://localhost:8080` 🕸 👷 ☑.
+
+## 🃏
+
+⚫️ 💪 📣 📇 `"*"` ("🃏") 💬 👈 🌐 ✔.
+
+✋️ 👈 🔜 🕴 ✔ 🎯 🆎 📻, 🚫 🌐 👈 🔌 🎓: 🍪, ✔ 🎚 💖 📚 ⚙️ ⏮️ 📨 🤝, ♒️.
+
+, 🌐 👷 ☑, ⚫️ 👻 ✔ 🎯 ✔ 🇨🇳.
+
+## ⚙️ `CORSMiddleware`
+
+👆 💪 🔗 ⚫️ 👆 **FastAPI** 🈸 ⚙️ `CORSMiddleware`.
+
+* 🗄 `CORSMiddleware`.
+* ✍ 📇 ✔ 🇨🇳 (🎻).
+* 🚮 ⚫️ "🛠️" 👆 **FastAPI** 🈸.
+
+👆 💪 ✔ 🚥 👆 👩💻 ✔:
+
+* 🎓 (✔ 🎚, 🍪, ♒️).
+* 🎯 🇺🇸🔍 👩🔬 (`POST`, `PUT`) ⚖️ 🌐 👫 ⏮️ 🃏 `"*"`.
+* 🎯 🇺🇸🔍 🎚 ⚖️ 🌐 👫 ⏮️ 🃏 `"*"`.
+
+```Python hl_lines="2 6-11 13-19"
+{!../../../docs_src/cors/tutorial001.py!}
+```
+
+🔢 🔢 ⚙️ `CORSMiddleware` 🛠️ 🚫 🔢, 👆 🔜 💪 🎯 🛠️ 🎯 🇨🇳, 👩🔬, ⚖️ 🎚, ✔ 🖥 ✔ ⚙️ 👫 ✖️-🆔 🔑.
+
+📄 ❌ 🐕🦺:
+
+* `allow_origins` - 📇 🇨🇳 👈 🔜 ✔ ⚒ ✖️-🇨🇳 📨. 🤶 Ⓜ. `['https://example.org', 'https://www.example.org']`. 👆 💪 ⚙️ `['*']` ✔ 🙆 🇨🇳.
+* `allow_origin_regex` - 🎻 🎻 🏏 🛡 🇨🇳 👈 🔜 ✔ ⚒ ✖️-🇨🇳 📨. ✅ `'https://.*\.example\.org'`.
+* `allow_methods` - 📇 🇺🇸🔍 👩🔬 👈 🔜 ✔ ✖️-🇨🇳 📨. 🔢 `['GET']`. 👆 💪 ⚙️ `['*']` ✔ 🌐 🐩 👩🔬.
+* `allow_headers` - 📇 🇺🇸🔍 📨 🎚 👈 🔜 🐕🦺 ✖️-🇨🇳 📨. 🔢 `[]`. 👆 💪 ⚙️ `['*']` ✔ 🌐 🎚. `Accept`, `Accept-Language`, `Content-Language` & `Content-Type` 🎚 🕧 ✔ <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS#simple_requests" class="external-link" rel="noopener" target="_blank">🙅 ⚜ 📨</a>.
+* `allow_credentials` - 🎦 👈 🍪 🔜 🐕🦺 ✖️-🇨🇳 📨. 🔢 `False`. , `allow_origins` 🚫🔜 ⚒ `['*']` 🎓 ✔, 🇨🇳 🔜 ✔.
+* `expose_headers` - 🎦 🙆 📨 🎚 👈 🔜 ⚒ ♿ 🖥. 🔢 `[]`.
+* `max_age` - ⚒ 🔆 🕰 🥈 🖥 💾 ⚜ 📨. 🔢 `600`.
+
+🛠️ 📨 2️⃣ 🎯 🆎 🇺🇸🔍 📨...
+
+### ⚜ 🛫 📨
+
+👉 🙆 `OPTIONS` 📨 ⏮️ `Origin` & `Access-Control-Request-Method` 🎚.
+
+👉 💼 🛠️ 🔜 🆘 📨 📨 & 📨 ⏮️ ☑ ⚜ 🎚, & 👯♂️ `200` ⚖️ `400` 📨 🎓 🎯.
+
+### 🙅 📨
+
+🙆 📨 ⏮️ `Origin` 🎚. 👉 💼 🛠️ 🔜 🚶♀️ 📨 🔘 😐, ✋️ 🔜 🔌 ☑ ⚜ 🎚 🔛 📨.
+
+## 🌅 ℹ
+
+🌖 ℹ 🔃 <abbr title="Cross-Origin Resource Sharing">⚜</abbr>, ✅ <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">🦎 ⚜ 🧾</a>.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.middleware.cors import CORSMiddleware`.
+
+ **FastAPI** 🚚 📚 🛠️ `fastapi.middleware` 🏪 👆, 👩💻. ✋️ 🌅 💪 🛠️ 👟 🔗 ⚪️➡️ 💃.
--- /dev/null
+# 🛠️
+
+👆 💪 🔗 🕹 👆 👨🎨, 🖼 ⏮️ 🎙 🎙 📟 ⚖️ 🗒.
+
+## 🤙 `uvicorn`
+
+👆 FastAPI 🈸, 🗄 & 🏃 `uvicorn` 🔗:
+
+```Python hl_lines="1 15"
+{!../../../docs_src/debugging/tutorial001.py!}
+```
+
+### 🔃 `__name__ == "__main__"`
+
+👑 🎯 `__name__ == "__main__"` ✔️ 📟 👈 🛠️ 🕐❔ 👆 📁 🤙 ⏮️:
+
+<div class="termy">
+
+```console
+$ python myapp.py
+```
+
+</div>
+
+✋️ 🚫 🤙 🕐❔ ➕1️⃣ 📁 🗄 ⚫️, 💖:
+
+```Python
+from myapp import app
+```
+
+#### 🌅 ℹ
+
+➡️ 💬 👆 📁 🌟 `myapp.py`.
+
+🚥 👆 🏃 ⚫️ ⏮️:
+
+<div class="termy">
+
+```console
+$ python myapp.py
+```
+
+</div>
+
+⤴️ 🔗 🔢 `__name__` 👆 📁, ✍ 🔁 🐍, 🔜 ✔️ 💲 🎻 `"__main__"`.
+
+, 📄:
+
+```Python
+ uvicorn.run(app, host="0.0.0.0", port=8000)
+```
+
+🔜 🏃.
+
+---
+
+👉 🏆 🚫 🔨 🚥 👆 🗄 👈 🕹 (📁).
+
+, 🚥 👆 ✔️ ➕1️⃣ 📁 `importer.py` ⏮️:
+
+```Python
+from myapp import app
+
+# Some more code
+```
+
+👈 💼, 🏧 🔢 🔘 `myapp.py` 🔜 🚫 ✔️ 🔢 `__name__` ⏮️ 💲 `"__main__"`.
+
+, ⏸:
+
+```Python
+ uvicorn.run(app, host="0.0.0.0", port=8000)
+```
+
+🔜 🚫 🛠️.
+
+!!! info
+ 🌅 ℹ, ✅ <a href="https://docs.python.org/3/library/__main__.html" class="external-link" target="_blank">🛂 🐍 🩺</a>.
+
+## 🏃 👆 📟 ⏮️ 👆 🕹
+
+↩️ 👆 🏃 Uvicorn 💽 🔗 ⚪️➡️ 👆 📟, 👆 💪 🤙 👆 🐍 📋 (👆 FastAPI 🈸) 🔗 ⚪️➡️ 🕹.
+
+---
+
+🖼, 🎙 🎙 📟, 👆 💪:
+
+* 🚶 "ℹ" 🎛.
+* "🚮 📳...".
+* 🖊 "🐍"
+* 🏃 🕹 ⏮️ 🎛 "`Python: Current File (Integrated Terminal)`".
+
+⚫️ 🔜 ⤴️ ▶️ 💽 ⏮️ 👆 **FastAPI** 📟, ⛔️ 👆 0️⃣, ♒️.
+
+📥 ❔ ⚫️ 💪 👀:
+
+<img src="/img/tutorial/debugging/image01.png">
+
+---
+
+🚥 👆 ⚙️ 🗒, 👆 💪:
+
+* 📂 "🏃" 🍣.
+* 🖊 🎛 "ℹ...".
+* ⤴️ 🔑 🍣 🎦 🆙.
+* 🖊 📁 ℹ (👉 💼, `main.py`).
+
+⚫️ 🔜 ⤴️ ▶️ 💽 ⏮️ 👆 **FastAPI** 📟, ⛔️ 👆 0️⃣, ♒️.
+
+📥 ❔ ⚫️ 💪 👀:
+
+<img src="/img/tutorial/debugging/image02.png">
--- /dev/null
+# 🎓 🔗
+
+⏭ 🤿 ⏬ 🔘 **🔗 💉** ⚙️, ➡️ ♻ ⏮️ 🖼.
+
+## `dict` ⚪️➡️ ⏮️ 🖼
+
+⏮️ 🖼, 👥 🛬 `dict` ⚪️➡️ 👆 🔗 ("☑"):
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/dependencies/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/dependencies/tutorial001_py310.py!}
+ ```
+
+✋️ ⤴️ 👥 🤚 `dict` 🔢 `commons` *➡ 🛠️ 🔢*.
+
+& 👥 💭 👈 👨🎨 💪 🚫 🚚 📚 🐕🦺 (💖 🛠️) `dict`Ⓜ, ↩️ 👫 💪 🚫 💭 👫 🔑 & 💲 🆎.
+
+👥 💪 👍...
+
+## ⚫️❔ ⚒ 🔗
+
+🆙 🔜 👆 ✔️ 👀 🔗 📣 🔢.
+
+✋️ 👈 🚫 🕴 🌌 📣 🔗 (👐 ⚫️ 🔜 🎲 🌖 ⚠).
+
+🔑 ⚖ 👈 🔗 🔜 "🇧🇲".
+
+"**🇧🇲**" 🐍 🕳 👈 🐍 💪 "🤙" 💖 🔢.
+
+, 🚥 👆 ✔️ 🎚 `something` (👈 💪 _🚫_ 🔢) & 👆 💪 "🤙" ⚫️ (🛠️ ⚫️) 💖:
+
+```Python
+something()
+```
+
+⚖️
+
+```Python
+something(some_argument, some_keyword_argument="foo")
+```
+
+⤴️ ⚫️ "🇧🇲".
+
+## 🎓 🔗
+
+👆 5️⃣📆 👀 👈 ✍ 👐 🐍 🎓, 👆 ⚙️ 👈 🎏 ❕.
+
+🖼:
+
+```Python
+class Cat:
+ def __init__(self, name: str):
+ self.name = name
+
+
+fluffy = Cat(name="Mr Fluffy")
+```
+
+👉 💼, `fluffy` 👐 🎓 `Cat`.
+
+& ✍ `fluffy`, 👆 "🤙" `Cat`.
+
+, 🐍 🎓 **🇧🇲**.
+
+⤴️, **FastAPI**, 👆 💪 ⚙️ 🐍 🎓 🔗.
+
+⚫️❔ FastAPI 🤙 ✅ 👈 ⚫️ "🇧🇲" (🔢, 🎓 ⚖️ 🕳 🙆) & 🔢 🔬.
+
+🚥 👆 🚶♀️ "🇧🇲" 🔗 **FastAPI**, ⚫️ 🔜 🔬 🔢 👈 "🇧🇲", & 🛠️ 👫 🎏 🌌 🔢 *➡ 🛠️ 🔢*. ✅ 🎧-🔗.
+
+👈 ✔ 🇧🇲 ⏮️ 🙅♂ 🔢 🌐. 🎏 ⚫️ 🔜 *➡ 🛠️ 🔢* ⏮️ 🙅♂ 🔢.
+
+⤴️, 👥 💪 🔀 🔗 "☑" `common_parameters` ⚪️➡️ 🔛 🎓 `CommonQueryParams`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="11-15"
+ {!> ../../../docs_src/dependencies/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="9-13"
+ {!> ../../../docs_src/dependencies/tutorial002_py310.py!}
+ ```
+
+💸 🙋 `__init__` 👩🔬 ⚙️ ✍ 👐 🎓:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="12"
+ {!> ../../../docs_src/dependencies/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/dependencies/tutorial002_py310.py!}
+ ```
+
+...⚫️ ✔️ 🎏 🔢 👆 ⏮️ `common_parameters`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/dependencies/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="6"
+ {!> ../../../docs_src/dependencies/tutorial001_py310.py!}
+ ```
+
+📚 🔢 ⚫️❔ **FastAPI** 🔜 ⚙️ "❎" 🔗.
+
+👯♂️ 💼, ⚫️ 🔜 ✔️:
+
+* 📦 `q` 🔢 🔢 👈 `str`.
+* `skip` 🔢 🔢 👈 `int`, ⏮️ 🔢 `0`.
+* `limit` 🔢 🔢 👈 `int`, ⏮️ 🔢 `100`.
+
+👯♂️ 💼 💽 🔜 🗜, ✔, 📄 🔛 🗄 🔗, ♒️.
+
+## ⚙️ ⚫️
+
+🔜 👆 💪 📣 👆 🔗 ⚙️ 👉 🎓.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="19"
+ {!> ../../../docs_src/dependencies/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17"
+ {!> ../../../docs_src/dependencies/tutorial002_py310.py!}
+ ```
+
+**FastAPI** 🤙 `CommonQueryParams` 🎓. 👉 ✍ "👐" 👈 🎓 & 👐 🔜 🚶♀️ 🔢 `commons` 👆 🔢.
+
+## 🆎 ✍ 🆚 `Depends`
+
+👀 ❔ 👥 ✍ `CommonQueryParams` 🕐 🔛 📟:
+
+```Python
+commons: CommonQueryParams = Depends(CommonQueryParams)
+```
+
+🏁 `CommonQueryParams`,:
+
+```Python
+... = Depends(CommonQueryParams)
+```
+
+...⚫️❔ **FastAPI** 🔜 🤙 ⚙️ 💭 ⚫️❔ 🔗.
+
+⚪️➡️ ⚫️ 👈 FastAPI 🔜 ⚗ 📣 🔢 & 👈 ⚫️❔ FastAPI 🔜 🤙 🤙.
+
+---
+
+👉 💼, 🥇 `CommonQueryParams`,:
+
+```Python
+commons: CommonQueryParams ...
+```
+
+...🚫 ✔️ 🙆 🎁 🔑 **FastAPI**. FastAPI 🏆 🚫 ⚙️ ⚫️ 💽 🛠️, 🔬, ♒️. (⚫️ ⚙️ `= Depends(CommonQueryParams)` 👈).
+
+👆 💪 🤙 ✍:
+
+```Python
+commons = Depends(CommonQueryParams)
+```
+
+...:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="19"
+ {!> ../../../docs_src/dependencies/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17"
+ {!> ../../../docs_src/dependencies/tutorial003_py310.py!}
+ ```
+
+✋️ 📣 🆎 💡 👈 🌌 👆 👨🎨 🔜 💭 ⚫️❔ 🔜 🚶♀️ 🔢 `commons`, & ⤴️ ⚫️ 💪 ℹ 👆 ⏮️ 📟 🛠️, 🆎 ✅, ♒️:
+
+<img src="/img/tutorial/dependencies/image02.png">
+
+## ⌨
+
+✋️ 👆 👀 👈 👥 ✔️ 📟 🔁 📥, ✍ `CommonQueryParams` 🕐:
+
+```Python
+commons: CommonQueryParams = Depends(CommonQueryParams)
+```
+
+**FastAPI** 🚚 ⌨ 👫 💼, 🌐❔ 🔗 *🎯* 🎓 👈 **FastAPI** 🔜 "🤙" ✍ 👐 🎓 ⚫️.
+
+📚 🎯 💼, 👆 💪 📄:
+
+↩️ ✍:
+
+```Python
+commons: CommonQueryParams = Depends(CommonQueryParams)
+```
+
+...👆 ✍:
+
+```Python
+commons: CommonQueryParams = Depends()
+```
+
+👆 📣 🔗 🆎 🔢, & 👆 ⚙️ `Depends()` 🚮 "🔢" 💲 (👈 ⏮️ `=`) 👈 🔢 🔢, 🍵 🙆 🔢 `Depends()`, ↩️ ✔️ ✍ 🌕 🎓 *🔄* 🔘 `Depends(CommonQueryParams)`.
+
+🎏 🖼 🔜 ⤴️ 👀 💖:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="19"
+ {!> ../../../docs_src/dependencies/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17"
+ {!> ../../../docs_src/dependencies/tutorial004_py310.py!}
+ ```
+
+...& **FastAPI** 🔜 💭 ⚫️❔.
+
+!!! tip
+ 🚥 👈 😑 🌅 😨 🌘 👍, 🤷♂ ⚫️, 👆 🚫 *💪* ⚫️.
+
+ ⚫️ ⌨. ↩️ **FastAPI** 💅 🔃 🤝 👆 📉 📟 🔁.
--- /dev/null
+# 🔗 ➡ 🛠️ 👨🎨
+
+💼 👆 🚫 🤙 💪 📨 💲 🔗 🔘 👆 *➡ 🛠️ 🔢*.
+
+⚖️ 🔗 🚫 📨 💲.
+
+✋️ 👆 💪 ⚫️ 🛠️/❎.
+
+📚 💼, ↩️ 📣 *➡ 🛠️ 🔢* 🔢 ⏮️ `Depends`, 👆 💪 🚮 `list` `dependencies` *➡ 🛠️ 👨🎨*.
+
+## 🚮 `dependencies` *➡ 🛠️ 👨🎨*
+
+*➡ 🛠️ 👨🎨* 📨 📦 ❌ `dependencies`.
+
+⚫️ 🔜 `list` `Depends()`:
+
+```Python hl_lines="17"
+{!../../../docs_src/dependencies/tutorial006.py!}
+```
+
+👉 🔗 🔜 🛠️/❎ 🎏 🌌 😐 🔗. ✋️ 👫 💲 (🚥 👫 📨 🙆) 🏆 🚫 🚶♀️ 👆 *➡ 🛠️ 🔢*.
+
+!!! tip
+ 👨🎨 ✅ ♻ 🔢 🔢, & 🎦 👫 ❌.
+
+ ⚙️ 👉 `dependencies` *➡ 🛠️ 👨🎨* 👆 💪 ⚒ 💭 👫 🛠️ ⏪ ❎ 👨🎨/🏭 ❌.
+
+ ⚫️ 💪 ℹ ❎ 😨 🆕 👩💻 👈 👀 ♻ 🔢 👆 📟 & 💪 💭 ⚫️ 🙃.
+
+!!! info
+ 👉 🖼 👥 ⚙️ 💭 🛃 🎚 `X-Key` & `X-Token`.
+
+ ✋️ 🎰 💼, 🕐❔ 🛠️ 💂♂, 👆 🔜 🤚 🌖 💰 ⚪️➡️ ⚙️ 🛠️ [💂♂ 🚙 (⏭ 📃)](../security/index.md){.internal-link target=_blank}.
+
+## 🔗 ❌ & 📨 💲
+
+👆 💪 ⚙️ 🎏 🔗 *🔢* 👆 ⚙️ 🛎.
+
+### 🔗 📄
+
+👫 💪 📣 📨 📄 (💖 🎚) ⚖️ 🎏 🎧-🔗:
+
+```Python hl_lines="6 11"
+{!../../../docs_src/dependencies/tutorial006.py!}
+```
+
+### 🤚 ⚠
+
+👫 🔗 💪 `raise` ⚠, 🎏 😐 🔗:
+
+```Python hl_lines="8 13"
+{!../../../docs_src/dependencies/tutorial006.py!}
+```
+
+### 📨 💲
+
+& 👫 💪 📨 💲 ⚖️ 🚫, 💲 🏆 🚫 ⚙️.
+
+, 👆 💪 🏤-⚙️ 😐 🔗 (👈 📨 💲) 👆 ⏪ ⚙️ 👱 🙆, & ✋️ 💲 🏆 🚫 ⚙️, 🔗 🔜 🛠️:
+
+```Python hl_lines="9 14"
+{!../../../docs_src/dependencies/tutorial006.py!}
+```
+
+## 🔗 👪 *➡ 🛠️*
+
+⏪, 🕐❔ 👂 🔃 ❔ 📊 🦏 🈸 ([🦏 🈸 - 💗 📁](../../tutorial/bigger-applications.md){.internal-link target=_blank}), 🎲 ⏮️ 💗 📁, 👆 🔜 💡 ❔ 📣 👁 `dependencies` 🔢 👪 *➡ 🛠️*.
+
+## 🌐 🔗
+
+⏭ 👥 🔜 👀 ❔ 🚮 🔗 🎂 `FastAPI` 🈸, 👈 👫 ✔ 🔠 *➡ 🛠️*.
--- /dev/null
+# 🔗 ⏮️ 🌾
+
+FastAPI 🐕🦺 🔗 👈 <abbr title='sometimes also called "exit", "cleanup", "teardown", "close", "context managers", ...'>➕ 🔁 ⏮️ 🏁</abbr>.
+
+👉, ⚙️ `yield` ↩️ `return`, & ✍ ➕ 🔁 ⏮️.
+
+!!! tip
+ ⚒ 💭 ⚙️ `yield` 1️⃣ 👁 🕰.
+
+!!! note "📡 ℹ"
+ 🙆 🔢 👈 ☑ ⚙️ ⏮️:
+
+ * <a href="https://docs.python.org/3/library/contextlib.html#contextlib.contextmanager" class="external-link" target="_blank">`@contextlib.contextmanager`</a> ⚖️
+ * <a href="https://docs.python.org/3/library/contextlib.html#contextlib.asynccontextmanager" class="external-link" target="_blank">`@contextlib.asynccontextmanager`</a>
+
+ 🔜 ☑ ⚙️ **FastAPI** 🔗.
+
+ 👐, FastAPI ⚙️ 📚 2️⃣ 👨🎨 🔘.
+
+## 💽 🔗 ⏮️ `yield`
+
+🖼, 👆 💪 ⚙️ 👉 ✍ 💽 🎉 & 🔐 ⚫️ ⏮️ 🏁.
+
+🕴 📟 ⏭ & 🔌 `yield` 📄 🛠️ ⏭ 📨 📨:
+
+```Python hl_lines="2-4"
+{!../../../docs_src/dependencies/tutorial007.py!}
+```
+
+🌾 💲 ⚫️❔ 💉 🔘 *➡ 🛠️* & 🎏 🔗:
+
+```Python hl_lines="4"
+{!../../../docs_src/dependencies/tutorial007.py!}
+```
+
+📟 📄 `yield` 📄 🛠️ ⏮️ 📨 ✔️ 🚚:
+
+```Python hl_lines="5-6"
+{!../../../docs_src/dependencies/tutorial007.py!}
+```
+
+!!! tip
+ 👆 💪 ⚙️ `async` ⚖️ 😐 🔢.
+
+ **FastAPI** 🔜 ▶️️ 👜 ⏮️ 🔠, 🎏 ⏮️ 😐 🔗.
+
+## 🔗 ⏮️ `yield` & `try`
+
+🚥 👆 ⚙️ `try` 🍫 🔗 ⏮️ `yield`, 👆 🔜 📨 🙆 ⚠ 👈 🚮 🕐❔ ⚙️ 🔗.
+
+🖼, 🚥 📟 ☝ 🖕, ➕1️⃣ 🔗 ⚖️ *➡ 🛠️*, ⚒ 💽 💵 "💾" ⚖️ ✍ 🙆 🎏 ❌, 👆 🔜 📨 ⚠ 👆 🔗.
+
+, 👆 💪 👀 👈 🎯 ⚠ 🔘 🔗 ⏮️ `except SomeException`.
+
+🎏 🌌, 👆 💪 ⚙️ `finally` ⚒ 💭 🚪 📶 🛠️, 🙅♂ 🤔 🚥 📤 ⚠ ⚖️ 🚫.
+
+```Python hl_lines="3 5"
+{!../../../docs_src/dependencies/tutorial007.py!}
+```
+
+## 🎧-🔗 ⏮️ `yield`
+
+👆 💪 ✔️ 🎧-🔗 & "🌲" 🎧-🔗 🙆 📐 & 💠, & 🙆 ⚖️ 🌐 👫 💪 ⚙️ `yield`.
+
+**FastAPI** 🔜 ⚒ 💭 👈 "🚪 📟" 🔠 🔗 ⏮️ `yield` 🏃 ☑ ✔.
+
+🖼, `dependency_c` 💪 ✔️ 🔗 🔛 `dependency_b`, & `dependency_b` 🔛 `dependency_a`:
+
+```Python hl_lines="4 12 20"
+{!../../../docs_src/dependencies/tutorial008.py!}
+```
+
+& 🌐 👫 💪 ⚙️ `yield`.
+
+👉 💼 `dependency_c`, 🛠️ 🚮 🚪 📟, 💪 💲 ⚪️➡️ `dependency_b` (📥 📛 `dep_b`) 💪.
+
+& , 🔄, `dependency_b` 💪 💲 ⚪️➡️ `dependency_a` (📥 📛 `dep_a`) 💪 🚮 🚪 📟.
+
+```Python hl_lines="16-17 24-25"
+{!../../../docs_src/dependencies/tutorial008.py!}
+```
+
+🎏 🌌, 👆 💪 ✔️ 🔗 ⏮️ `yield` & `return` 🌀.
+
+& 👆 💪 ✔️ 👁 🔗 👈 🚚 📚 🎏 🔗 ⏮️ `yield`, ♒️.
+
+👆 💪 ✔️ 🙆 🌀 🔗 👈 👆 💚.
+
+**FastAPI** 🔜 ⚒ 💭 🌐 🏃 ☑ ✔.
+
+!!! note "📡 ℹ"
+ 👉 👷 👏 🐍 <a href="https://docs.python.org/3/library/contextlib.html" class="external-link" target="_blank">🔑 👨💼</a>.
+
+ **FastAPI** ⚙️ 👫 🔘 🏆 👉.
+
+## 🔗 ⏮️ `yield` & `HTTPException`
+
+👆 👀 👈 👆 💪 ⚙️ 🔗 ⏮️ `yield` & ✔️ `try` 🍫 👈 ✊ ⚠.
+
+⚫️ 5️⃣📆 😋 🤚 `HTTPException` ⚖️ 🎏 🚪 📟, ⏮️ `yield`. ✋️ **⚫️ 🏆 🚫 👷**.
+
+🚪 📟 🔗 ⏮️ `yield` 🛠️ *⏮️* 📨 📨, [⚠ 🐕🦺](../handling-errors.md#install-custom-exception-handlers){.internal-link target=_blank} 🔜 ✔️ ⏪ 🏃. 📤 🕳 😽 ⚠ 🚮 👆 🔗 🚪 📟 (⏮️ `yield`).
+
+, 🚥 👆 🤚 `HTTPException` ⏮️ `yield`, 🔢 (⚖️ 🙆 🛃) ⚠ 🐕🦺 👈 ✊ `HTTPException`Ⓜ & 📨 🇺🇸🔍 4️⃣0️⃣0️⃣ 📨 🏆 🚫 📤 ✊ 👈 ⚠ 🚫🔜.
+
+👉 ⚫️❔ ✔ 🕳 ⚒ 🔗 (✅ 💽 🎉), 🖼, ⚙️ 🖥 📋.
+
+🖥 📋 🏃 *⏮️* 📨 ✔️ 📨. 📤 🙅♂ 🌌 🤚 `HTTPException` ↩️ 📤 🚫 🌌 🔀 📨 👈 *⏪ 📨*.
+
+✋️ 🚥 🖥 📋 ✍ 💽 ❌, 🌘 👆 💪 💾 ⚖️ 😬 🔐 🎉 🔗 ⏮️ `yield`, & 🎲 🕹 ❌ ⚖️ 📄 ⚫️ 🛰 🕵 ⚙️.
+
+🚥 👆 ✔️ 📟 👈 👆 💭 💪 🤚 ⚠, 🏆 😐/"🙃" 👜 & 🚮 `try` 🍫 👈 📄 📟.
+
+🚥 👆 ✔️ 🛃 ⚠ 👈 👆 🔜 💖 🍵 *⏭* 🛬 📨 & 🎲 ❎ 📨, 🎲 🙋♀ `HTTPException`, ✍ [🛃 ⚠ 🐕🦺](../handling-errors.md#install-custom-exception-handlers){.internal-link target=_blank}.
+
+!!! tip
+ 👆 💪 🤚 ⚠ 🔌 `HTTPException` *⏭* `yield`. ✋️ 🚫 ⏮️.
+
+🔁 🛠️ 🌅 ⚖️ 🌘 💖 👉 📊. 🕰 💧 ⚪️➡️ 🔝 🔝. & 🔠 🏓 1️⃣ 🍕 🔗 ⚖️ 🛠️ 📟.
+
+```mermaid
+sequenceDiagram
+
+participant client as Client
+participant handler as Exception handler
+participant dep as Dep with yield
+participant operation as Path Operation
+participant tasks as Background tasks
+
+ Note over client,tasks: Can raise exception for dependency, handled after response is sent
+ Note over client,operation: Can raise HTTPException and can change the response
+ client ->> dep: Start request
+ Note over dep: Run code up to yield
+ opt raise
+ dep -->> handler: Raise HTTPException
+ handler -->> client: HTTP error response
+ dep -->> dep: Raise other exception
+ end
+ dep ->> operation: Run dependency, e.g. DB session
+ opt raise
+ operation -->> dep: Raise HTTPException
+ dep -->> handler: Auto forward exception
+ handler -->> client: HTTP error response
+ operation -->> dep: Raise other exception
+ dep -->> handler: Auto forward exception
+ end
+ operation ->> client: Return response to client
+ Note over client,operation: Response is already sent, can't change it anymore
+ opt Tasks
+ operation -->> tasks: Send background tasks
+ end
+ opt Raise other exception
+ tasks -->> dep: Raise other exception
+ end
+ Note over dep: After yield
+ opt Handle other exception
+ dep -->> dep: Handle exception, can't change response. E.g. close DB session.
+ end
+```
+
+!!! info
+ 🕴 **1️⃣ 📨** 🔜 📨 👩💻. ⚫️ 💪 1️⃣ ❌ 📨 ⚖️ ⚫️ 🔜 📨 ⚪️➡️ *➡ 🛠️*.
+
+ ⏮️ 1️⃣ 📚 📨 📨, 🙅♂ 🎏 📨 💪 📨.
+
+!!! tip
+ 👉 📊 🎦 `HTTPException`, ✋️ 👆 💪 🤚 🙆 🎏 ⚠ ❔ 👆 ✍ [🛃 ⚠ 🐕🦺](../handling-errors.md#install-custom-exception-handlers){.internal-link target=_blank}.
+
+ 🚥 👆 🤚 🙆 ⚠, ⚫️ 🔜 🚶♀️ 🔗 ⏮️ 🌾, 🔌 `HTTPException`, & ⤴️ **🔄** ⚠ 🐕🦺. 🚥 📤 🙅♂ ⚠ 🐕🦺 👈 ⚠, ⚫️ 🔜 ⤴️ 🍵 🔢 🔗 `ServerErrorMiddleware`, 🛬 5️⃣0️⃣0️⃣ 🇺🇸🔍 👔 📟, ➡️ 👩💻 💭 👈 📤 ❌ 💽.
+
+## 🔑 👨💼
+
+### ⚫️❔ "🔑 👨💼"
+
+"🔑 👨💼" 🙆 👈 🐍 🎚 👈 👆 💪 ⚙️ `with` 📄.
+
+🖼, <a href="https://docs.python.org/3/tutorial/inputoutput.html#reading-and-writing-files" class="external-link" target="_blank">👆 💪 ⚙️ `with` ✍ 📁</a>:
+
+```Python
+with open("./somefile.txt") as f:
+ contents = f.read()
+ print(contents)
+```
+
+🔘, `open("./somefile.txt")` ✍ 🎚 👈 🤙 "🔑 👨💼".
+
+🕐❔ `with` 🍫 🏁, ⚫️ ⚒ 💭 🔐 📁, 🚥 📤 ⚠.
+
+🕐❔ 👆 ✍ 🔗 ⏮️ `yield`, **FastAPI** 🔜 🔘 🗜 ⚫️ 🔑 👨💼, & 🌀 ⚫️ ⏮️ 🎏 🔗 🧰.
+
+### ⚙️ 🔑 👨💼 🔗 ⏮️ `yield`
+
+!!! warning
+ 👉, 🌅 ⚖️ 🌘, "🏧" 💭.
+
+ 🚥 👆 ▶️ ⏮️ **FastAPI** 👆 💪 💚 🚶 ⚫️ 🔜.
+
+🐍, 👆 💪 ✍ 🔑 👨💼 <a href="https://docs.python.org/3/reference/datamodel.html#context-managers" class="external-link" target="_blank">🏗 🎓 ⏮️ 2️⃣ 👩🔬: `__enter__()` & `__exit__()`</a>.
+
+👆 💪 ⚙️ 👫 🔘 **FastAPI** 🔗 ⏮️ `yield` ⚙️
+`with` ⚖️ `async with` 📄 🔘 🔗 🔢:
+
+```Python hl_lines="1-9 13"
+{!../../../docs_src/dependencies/tutorial010.py!}
+```
+
+!!! tip
+ ➕1️⃣ 🌌 ✍ 🔑 👨💼 ⏮️:
+
+ * <a href="https://docs.python.org/3/library/contextlib.html#contextlib.contextmanager" class="external-link" target="_blank">`@contextlib.contextmanager`</a> ⚖️
+ * <a href="https://docs.python.org/3/library/contextlib.html#contextlib.asynccontextmanager" class="external-link" target="_blank">`@contextlib.asynccontextmanager`</a>
+
+ ⚙️ 👫 🎀 🔢 ⏮️ 👁 `yield`.
+
+ 👈 ⚫️❔ **FastAPI** ⚙️ 🔘 🔗 ⏮️ `yield`.
+
+ ✋️ 👆 🚫 ✔️ ⚙️ 👨🎨 FastAPI 🔗 (& 👆 🚫🔜 🚫).
+
+ FastAPI 🔜 ⚫️ 👆 🔘.
--- /dev/null
+# 🌐 🔗
+
+🆎 🈸 👆 💪 💚 🚮 🔗 🎂 🈸.
+
+🎏 🌌 👆 💪 [🚮 `dependencies` *➡ 🛠️ 👨🎨*](dependencies-in-path-operation-decorators.md){.internal-link target=_blank}, 👆 💪 🚮 👫 `FastAPI` 🈸.
+
+👈 💼, 👫 🔜 ✔ 🌐 *➡ 🛠️* 🈸:
+
+```Python hl_lines="15"
+{!../../../docs_src/dependencies/tutorial012.py!}
+```
+
+& 🌐 💭 📄 🔃 [❎ `dependencies` *➡ 🛠️ 👨🎨*](dependencies-in-path-operation-decorators.md){.internal-link target=_blank} ✔, ✋️ 👉 💼, 🌐 *➡ 🛠️* 📱.
+
+## 🔗 👪 *➡ 🛠️*
+
+⏪, 🕐❔ 👂 🔃 ❔ 📊 🦏 🈸 ([🦏 🈸 - 💗 📁](../../tutorial/bigger-applications.md){.internal-link target=_blank}), 🎲 ⏮️ 💗 📁, 👆 🔜 💡 ❔ 📣 👁 `dependencies` 🔢 👪 *➡ 🛠️*.
--- /dev/null
+# 🔗 - 🥇 🔁
+
+**FastAPI** ✔️ 📶 🏋️ ✋️ 🏋️ **<abbr title="also known as components, resources, providers, services, injectables">🔗 💉</abbr>** ⚙️.
+
+⚫️ 🏗 📶 🙅 ⚙️, & ⚒ ⚫️ 📶 ⏩ 🙆 👩💻 🛠️ 🎏 🦲 ⏮️ **FastAPI**.
+
+## ⚫️❔ "🔗 💉"
+
+**"🔗 💉"** ⛓, 📋, 👈 📤 🌌 👆 📟 (👉 💼, 👆 *➡ 🛠️ 🔢*) 📣 👜 👈 ⚫️ 🚚 👷 & ⚙️: "🔗".
+
+& ⤴️, 👈 ⚙️ (👉 💼 **FastAPI**) 🔜 ✊ 💅 🔨 ⚫️❔ 💪 🚚 👆 📟 ⏮️ 📚 💪 🔗 ("💉" 🔗).
+
+👉 📶 ⚠ 🕐❔ 👆 💪:
+
+* ✔️ 💰 ⚛ (🎏 📟 ⚛ 🔄 & 🔄).
+* 💰 💽 🔗.
+* 🛠️ 💂♂, 🤝, 🔑 📄, ♒️.
+* & 📚 🎏 👜...
+
+🌐 👫, ⏪ 📉 📟 🔁.
+
+## 🥇 🔁
+
+➡️ 👀 📶 🙅 🖼. ⚫️ 🔜 🙅 👈 ⚫️ 🚫 📶 ⚠, 🔜.
+
+✋️ 👉 🌌 👥 💪 🎯 🔛 ❔ **🔗 💉** ⚙️ 👷.
+
+### ✍ 🔗, ⚖️ "☑"
+
+➡️ 🥇 🎯 🔛 🔗.
+
+⚫️ 🔢 👈 💪 ✊ 🌐 🎏 🔢 👈 *➡ 🛠️ 🔢* 💪 ✊:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="8-11"
+ {!> ../../../docs_src/dependencies/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="6-7"
+ {!> ../../../docs_src/dependencies/tutorial001_py310.py!}
+ ```
+
+👈 ⚫️.
+
+**2️⃣ ⏸**.
+
+& ⚫️ ✔️ 🎏 💠 & 📊 👈 🌐 👆 *➡ 🛠️ 🔢* ✔️.
+
+👆 💪 💭 ⚫️ *➡ 🛠️ 🔢* 🍵 "👨🎨" (🍵 `@app.get("/some-path")`).
+
+& ⚫️ 💪 📨 🕳 👆 💚.
+
+👉 💼, 👉 🔗 ⌛:
+
+* 📦 🔢 🔢 `q` 👈 `str`.
+* 📦 🔢 🔢 `skip` 👈 `int`, & 🔢 `0`.
+* 📦 🔢 🔢 `limit` 👈 `int`, & 🔢 `100`.
+
+& ⤴️ ⚫️ 📨 `dict` ⚗ 📚 💲.
+
+### 🗄 `Depends`
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3"
+ {!> ../../../docs_src/dependencies/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/dependencies/tutorial001_py310.py!}
+ ```
+
+### 📣 🔗, "⚓️"
+
+🎏 🌌 👆 ⚙️ `Body`, `Query`, ♒️. ⏮️ 👆 *➡ 🛠️ 🔢* 🔢, ⚙️ `Depends` ⏮️ 🆕 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="15 20"
+ {!> ../../../docs_src/dependencies/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="11 16"
+ {!> ../../../docs_src/dependencies/tutorial001_py310.py!}
+ ```
+
+👐 👆 ⚙️ `Depends` 🔢 👆 🔢 🎏 🌌 👆 ⚙️ `Body`, `Query`, ♒️, `Depends` 👷 👄 🎏.
+
+👆 🕴 🤝 `Depends` 👁 🔢.
+
+👉 🔢 🔜 🕳 💖 🔢.
+
+& 👈 🔢 ✊ 🔢 🎏 🌌 👈 *➡ 🛠️ 🔢* .
+
+!!! tip
+ 👆 🔜 👀 ⚫️❔ 🎏 "👜", ↖️ ⚪️➡️ 🔢, 💪 ⚙️ 🔗 ⏭ 📃.
+
+🕐❔ 🆕 📨 🛬, **FastAPI** 🔜 ✊ 💅:
+
+* 🤙 👆 🔗 ("☑") 🔢 ⏮️ ☑ 🔢.
+* 🤚 🏁 ⚪️➡️ 👆 🔢.
+* 🛠️ 👈 🏁 🔢 👆 *➡ 🛠️ 🔢*.
+
+```mermaid
+graph TB
+
+common_parameters(["common_parameters"])
+read_items["/items/"]
+read_users["/users/"]
+
+common_parameters --> read_items
+common_parameters --> read_users
+```
+
+👉 🌌 👆 ✍ 🔗 📟 🕐 & **FastAPI** ✊ 💅 🤙 ⚫️ 👆 *➡ 🛠️*.
+
+!!! check
+ 👀 👈 👆 🚫 ✔️ ✍ 🎁 🎓 & 🚶♀️ ⚫️ 👱 **FastAPI** "®" ⚫️ ⚖️ 🕳 🎏.
+
+ 👆 🚶♀️ ⚫️ `Depends` & **FastAPI** 💭 ❔ 🎂.
+
+## `async` ⚖️ 🚫 `async`
+
+🔗 🔜 🤙 **FastAPI** (🎏 👆 *➡ 🛠️ 🔢*), 🎏 🚫 ✔ ⏪ 🔬 👆 🔢.
+
+👆 💪 ⚙️ `async def` ⚖️ 😐 `def`.
+
+& 👆 💪 📣 🔗 ⏮️ `async def` 🔘 😐 `def` *➡ 🛠️ 🔢*, ⚖️ `def` 🔗 🔘 `async def` *➡ 🛠️ 🔢*, ♒️.
+
+⚫️ 🚫 🤔. **FastAPI** 🔜 💭 ⚫️❔.
+
+!!! note
+ 🚥 👆 🚫 💭, ✅ [🔁: *"🏃 ❓" *](../../async.md){.internal-link target=_blank} 📄 🔃 `async` & `await` 🩺.
+
+## 🛠️ ⏮️ 🗄
+
+🌐 📨 📄, 🔬 & 📄 👆 🔗 (& 🎧-🔗) 🔜 🛠️ 🎏 🗄 🔗.
+
+, 🎓 🩺 🔜 ✔️ 🌐 ℹ ⚪️➡️ 👫 🔗 💁♂️:
+
+<img src="/img/tutorial/dependencies/image01.png">
+
+## 🙅 ⚙️
+
+🚥 👆 👀 ⚫️, *➡ 🛠️ 🔢* 📣 ⚙️ 🕐❔ *➡* & *🛠️* 🏏, & ⤴️ **FastAPI** ✊ 💅 🤙 🔢 ⏮️ ☑ 🔢, ❎ 📊 ⚪️➡️ 📨.
+
+🤙, 🌐 (⚖️ 🏆) 🕸 🛠️ 👷 👉 🎏 🌌.
+
+👆 🙅 🤙 👈 🔢 🔗. 👫 🤙 👆 🛠️ (👉 💼, **FastAPI**).
+
+⏮️ 🔗 💉 ⚙️, 👆 💪 💬 **FastAPI** 👈 👆 *➡ 🛠️ 🔢* "🪀" 🔛 🕳 🙆 👈 🔜 🛠️ ⏭ 👆 *➡ 🛠️ 🔢*, & **FastAPI** 🔜 ✊ 💅 🛠️ ⚫️ & "💉" 🏁.
+
+🎏 ⚠ ⚖ 👉 🎏 💭 "🔗 💉":
+
+* ℹ
+* 🐕🦺
+* 🐕🦺
+* 💉
+* 🦲
+
+## **FastAPI** 🔌-🔌
+
+🛠️ & "🔌-"Ⓜ 💪 🏗 ⚙️ **🔗 💉** ⚙️. ✋️ 👐, 📤 🤙 **🙅♂ 💪 ✍ "🔌-🔌"**, ⚙️ 🔗 ⚫️ 💪 📣 ♾ 🔢 🛠️ & 🔗 👈 ▶️️ 💪 👆 *➡ 🛠️ 🔢*.
+
+& 🔗 💪 ✍ 📶 🙅 & 🏋️ 🌌 👈 ✔ 👆 🗄 🐍 📦 👆 💪, & 🛠️ 👫 ⏮️ 👆 🛠️ 🔢 👩❤👨 ⏸ 📟, *🌖*.
+
+👆 🔜 👀 🖼 👉 ⏭ 📃, 🔃 🔗 & ☁ 💽, 💂♂, ♒️.
+
+## **FastAPI** 🔗
+
+🦁 🔗 💉 ⚙️ ⚒ **FastAPI** 🔗 ⏮️:
+
+* 🌐 🔗 💽
+* ☁ 💽
+* 🔢 📦
+* 🔢 🔗
+* 🤝 & ✔ ⚙️
+* 🛠️ ⚙️ ⚖ ⚙️
+* 📨 💽 💉 ⚙️
+* ♒️.
+
+## 🙅 & 🏋️
+
+👐 🔗 🔗 💉 ⚙️ 📶 🙅 🔬 & ⚙️, ⚫️ 📶 🏋️.
+
+👆 💪 🔬 🔗 👈 🔄 💪 🔬 🔗 👫.
+
+🔚, 🔗 🌲 🔗 🏗, & **🔗 💉** ⚙️ ✊ 💅 🔬 🌐 👉 🔗 👆 (& 👫 🎧-🔗) & 🚚 (💉) 🏁 🔠 🔁.
+
+🖼, ➡️ 💬 👆 ✔️ 4️⃣ 🛠️ 🔗 (*➡ 🛠️*):
+
+* `/items/public/`
+* `/items/private/`
+* `/users/{user_id}/activate`
+* `/items/pro/`
+
+⤴️ 👆 💪 🚮 🎏 ✔ 📄 🔠 👫 ⏮️ 🔗 & 🎧-🔗:
+
+```mermaid
+graph TB
+
+current_user(["current_user"])
+active_user(["active_user"])
+admin_user(["admin_user"])
+paying_user(["paying_user"])
+
+public["/items/public/"]
+private["/items/private/"]
+activate_user["/users/{user_id}/activate"]
+pro_items["/items/pro/"]
+
+current_user --> active_user
+active_user --> admin_user
+active_user --> paying_user
+
+current_user --> public
+active_user --> private
+admin_user --> activate_user
+paying_user --> pro_items
+```
+
+## 🛠️ ⏮️ **🗄**
+
+🌐 👫 🔗, ⏪ 📣 👫 📄, 🚮 🔢, 🔬, ♒️. 👆 *➡ 🛠️*.
+
+**FastAPI** 🔜 ✊ 💅 🚮 ⚫️ 🌐 🗄 🔗, 👈 ⚫️ 🎦 🎓 🧾 ⚙️.
--- /dev/null
+# 🎧-🔗
+
+👆 💪 ✍ 🔗 👈 ✔️ **🎧-🔗**.
+
+👫 💪 **⏬** 👆 💪 👫.
+
+**FastAPI** 🔜 ✊ 💅 🔬 👫.
+
+## 🥇 🔗 "☑"
+
+👆 💪 ✍ 🥇 🔗 ("☑") 💖:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="8-9"
+ {!> ../../../docs_src/dependencies/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="6-7"
+ {!> ../../../docs_src/dependencies/tutorial005_py310.py!}
+ ```
+
+⚫️ 📣 📦 🔢 🔢 `q` `str`, & ⤴️ ⚫️ 📨 ⚫️.
+
+👉 🙅 (🚫 📶 ⚠), ✋️ 🔜 ℹ 👥 🎯 🔛 ❔ 🎧-🔗 👷.
+
+## 🥈 🔗, "☑" & "⚓️"
+
+⤴️ 👆 💪 ✍ ➕1️⃣ 🔗 🔢 ("☑") 👈 🎏 🕰 📣 🔗 🚮 👍 (⚫️ "⚓️" 💁♂️):
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="13"
+ {!> ../../../docs_src/dependencies/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="11"
+ {!> ../../../docs_src/dependencies/tutorial005_py310.py!}
+ ```
+
+➡️ 🎯 🔛 🔢 📣:
+
+* ✋️ 👉 🔢 🔗 ("☑") ⚫️, ⚫️ 📣 ➕1️⃣ 🔗 (⚫️ "🪀" 🔛 🕳 🙆).
+ * ⚫️ 🪀 🔛 `query_extractor`, & 🛠️ 💲 📨 ⚫️ 🔢 `q`.
+* ⚫️ 📣 📦 `last_query` 🍪, `str`.
+ * 🚥 👩💻 🚫 🚚 🙆 🔢 `q`, 👥 ⚙️ 🏁 🔢 ⚙️, ❔ 👥 🖊 🍪 ⏭.
+
+## ⚙️ 🔗
+
+⤴️ 👥 💪 ⚙️ 🔗 ⏮️:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="22"
+ {!> ../../../docs_src/dependencies/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="19"
+ {!> ../../../docs_src/dependencies/tutorial005_py310.py!}
+ ```
+
+!!! info
+ 👀 👈 👥 🕴 📣 1️⃣ 🔗 *➡ 🛠️ 🔢*, `query_or_cookie_extractor`.
+
+ ✋️ **FastAPI** 🔜 💭 👈 ⚫️ ✔️ ❎ `query_extractor` 🥇, 🚶♀️ 🏁 👈 `query_or_cookie_extractor` ⏪ 🤙 ⚫️.
+
+```mermaid
+graph TB
+
+query_extractor(["query_extractor"])
+query_or_cookie_extractor(["query_or_cookie_extractor"])
+
+read_query["/items/"]
+
+query_extractor --> query_or_cookie_extractor --> read_query
+```
+
+## ⚙️ 🎏 🔗 💗 🕰
+
+🚥 1️⃣ 👆 🔗 📣 💗 🕰 🎏 *➡ 🛠️*, 🖼, 💗 🔗 ✔️ ⚠ 🎧-🔗, **FastAPI** 🔜 💭 🤙 👈 🎧-🔗 🕴 🕐 📍 📨.
+
+& ⚫️ 🔜 🖊 📨 💲 <abbr title="A utility/system to store computed/generated values, to re-use them instead of computing them again.">"💾"</abbr> & 🚶♀️ ⚫️ 🌐 "⚓️" 👈 💪 ⚫️ 👈 🎯 📨, ↩️ 🤙 🔗 💗 🕰 🎏 📨.
+
+🏧 😐 🌐❔ 👆 💭 👆 💪 🔗 🤙 🔠 🔁 (🎲 💗 🕰) 🎏 📨 ↩️ ⚙️ "💾" 💲, 👆 💪 ⚒ 🔢 `use_cache=False` 🕐❔ ⚙️ `Depends`:
+
+```Python hl_lines="1"
+async def needy_dependency(fresh_value: str = Depends(get_value, use_cache=False)):
+ return {"fresh_value": fresh_value}
+```
+
+## 🌃
+
+↖️ ⚪️➡️ 🌐 🎀 🔤 ⚙️ 📥, **🔗 💉** ⚙️ 🙅.
+
+🔢 👈 👀 🎏 *➡ 🛠️ 🔢*.
+
+✋️, ⚫️ 📶 🏋️, & ✔ 👆 📣 🎲 🙇 🐦 🔗 "📊" (🌲).
+
+!!! tip
+ 🌐 👉 💪 🚫 😑 ⚠ ⏮️ 👫 🙅 🖼.
+
+ ✋️ 👆 🔜 👀 ❔ ⚠ ⚫️ 📃 🔃 **💂♂**.
+
+ & 👆 🔜 👀 💸 📟 ⚫️ 🔜 🖊 👆.
--- /dev/null
+# 🎻 🔗 🔢
+
+📤 💼 🌐❔ 👆 5️⃣📆 💪 🗜 💽 🆎 (💖 Pydantic 🏷) 🕳 🔗 ⏮️ 🎻 (💖 `dict`, `list`, ♒️).
+
+🖼, 🚥 👆 💪 🏪 ⚫️ 💽.
+
+👈, **FastAPI** 🚚 `jsonable_encoder()` 🔢.
+
+## ⚙️ `jsonable_encoder`
+
+➡️ 🌈 👈 👆 ✔️ 💽 `fake_db` 👈 🕴 📨 🎻 🔗 💽.
+
+🖼, ⚫️ 🚫 📨 `datetime` 🎚, 👈 🚫 🔗 ⏮️ 🎻.
+
+, `datetime` 🎚 🔜 ✔️ 🗜 `str` ⚗ 💽 <a href="https://en.wikipedia.org/wiki/ISO_8601" class="external-link" target="_blank">💾 📁</a>.
+
+🎏 🌌, 👉 💽 🚫🔜 📨 Pydantic 🏷 (🎚 ⏮️ 🔢), 🕴 `dict`.
+
+👆 💪 ⚙️ `jsonable_encoder` 👈.
+
+⚫️ 📨 🎚, 💖 Pydantic 🏷, & 📨 🎻 🔗 ⏬:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="5 22"
+ {!> ../../../docs_src/encoder/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="4 21"
+ {!> ../../../docs_src/encoder/tutorial001_py310.py!}
+ ```
+
+👉 🖼, ⚫️ 🔜 🗜 Pydantic 🏷 `dict`, & `datetime` `str`.
+
+🏁 🤙 ⚫️ 🕳 👈 💪 🗜 ⏮️ 🐍 🐩 <a href="https://docs.python.org/3/library/json.html#json.dumps" class="external-link" target="_blank">`json.dumps()`</a>.
+
+⚫️ 🚫 📨 ⭕ `str` ⚗ 💽 🎻 📁 (🎻). ⚫️ 📨 🐍 🐩 💽 📊 (✅ `dict`) ⏮️ 💲 & 🎧-💲 👈 🌐 🔗 ⏮️ 🎻.
+
+!!! note
+ `jsonable_encoder` 🤙 ⚙️ **FastAPI** 🔘 🗜 💽. ✋️ ⚫️ ⚠ 📚 🎏 😐.
--- /dev/null
+# ➕ 💽 🆎
+
+🆙 🔜, 👆 ✔️ ⚙️ ⚠ 📊 🆎, 💖:
+
+* `int`
+* `float`
+* `str`
+* `bool`
+
+✋️ 👆 💪 ⚙️ 🌅 🏗 📊 🆎.
+
+& 👆 🔜 ✔️ 🎏 ⚒ 👀 🆙 🔜:
+
+* 👑 👨🎨 🐕🦺.
+* 💽 🛠️ ⚪️➡️ 📨 📨.
+* 💽 🛠️ 📨 💽.
+* 💽 🔬.
+* 🏧 ✍ & 🧾.
+
+## 🎏 💽 🆎
+
+📥 🌖 📊 🆎 👆 💪 ⚙️:
+
+* `UUID`:
+ * 🐩 "⭐ 😍 🆔", ⚠ 🆔 📚 💽 & ⚙️.
+ * 📨 & 📨 🔜 🎨 `str`.
+* `datetime.datetime`:
+ * 🐍 `datetime.datetime`.
+ * 📨 & 📨 🔜 🎨 `str` 💾 8️⃣6️⃣0️⃣1️⃣ 📁, 💖: `2008-09-15T15:53:00+05:00`.
+* `datetime.date`:
+ * 🐍 `datetime.date`.
+ * 📨 & 📨 🔜 🎨 `str` 💾 8️⃣6️⃣0️⃣1️⃣ 📁, 💖: `2008-09-15`.
+* `datetime.time`:
+ * 🐍 `datetime.time`.
+ * 📨 & 📨 🔜 🎨 `str` 💾 8️⃣6️⃣0️⃣1️⃣ 📁, 💖: `14:23:55.003`.
+* `datetime.timedelta`:
+ * 🐍 `datetime.timedelta`.
+ * 📨 & 📨 🔜 🎨 `float` 🌐 🥈.
+ * Pydantic ✔ 🎦 ⚫️ "💾 8️⃣6️⃣0️⃣1️⃣ 🕰 ➕ 🔢", <a href="https://pydantic-docs.helpmanual.io/usage/exporting_models/#json_encoders" class="external-link" target="_blank">👀 🩺 🌅 ℹ</a>.
+* `frozenset`:
+ * 📨 & 📨, 😥 🎏 `set`:
+ * 📨, 📇 🔜 ✍, ❎ ❎ & 🏭 ⚫️ `set`.
+ * 📨, `set` 🔜 🗜 `list`.
+ * 🏗 🔗 🔜 ✔ 👈 `set` 💲 😍 (⚙️ 🎻 🔗 `uniqueItems`).
+* `bytes`:
+ * 🐩 🐍 `bytes`.
+ * 📨 & 📨 🔜 😥 `str`.
+ * 🏗 🔗 🔜 ✔ 👈 ⚫️ `str` ⏮️ `binary` "📁".
+* `Decimal`:
+ * 🐩 🐍 `Decimal`.
+ * 📨 & 📨, 🍵 🎏 `float`.
+* 👆 💪 ✅ 🌐 ☑ Pydantic 📊 🆎 📥: <a href="https://pydantic-docs.helpmanual.io/usage/types" class="external-link" target="_blank">Pydantic 📊 🆎</a>.
+
+## 🖼
+
+📥 🖼 *➡ 🛠️* ⏮️ 🔢 ⚙️ 🔛 🆎.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 3 12-16"
+ {!> ../../../docs_src/extra_data_types/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1 2 11-15"
+ {!> ../../../docs_src/extra_data_types/tutorial001_py310.py!}
+ ```
+
+🗒 👈 🔢 🔘 🔢 ✔️ 👫 🐠 💽 🆎, & 👆 💪, 🖼, 🎭 😐 📅 🎭, 💖:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18-19"
+ {!> ../../../docs_src/extra_data_types/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17-18"
+ {!> ../../../docs_src/extra_data_types/tutorial001_py310.py!}
+ ```
--- /dev/null
+# ➕ 🏷
+
+▶️ ⏮️ ⏮️ 🖼, ⚫️ 🔜 ⚠ ✔️ 🌅 🌘 1️⃣ 🔗 🏷.
+
+👉 ✴️ 💼 👩💻 🏷, ↩️:
+
+* **🔢 🏷** 💪 💪 ✔️ 🔐.
+* **🔢 🏷** 🔜 🚫 ✔️ 🔐.
+* **💽 🏷** 🔜 🎲 💪 ✔️ #️⃣ 🔐.
+
+!!! danger
+ 🙅 🏪 👩💻 🔢 🔐. 🕧 🏪 "🔐 #️⃣" 👈 👆 💪 ⤴️ ✔.
+
+ 🚥 👆 🚫 💭, 👆 🔜 💡 ⚫️❔ "🔐#️⃣" [💂♂ 📃](security/simple-oauth2.md#password-hashing){.internal-link target=_blank}.
+
+## 💗 🏷
+
+📥 🏢 💭 ❔ 🏷 💪 👀 💖 ⏮️ 👫 🔐 🏑 & 🥉 🌐❔ 👫 ⚙️:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9 11 16 22 24 29-30 33-35 40-41"
+ {!> ../../../docs_src/extra_models/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7 9 14 20 22 27-28 31-33 38-39"
+ {!> ../../../docs_src/extra_models/tutorial001_py310.py!}
+ ```
+
+### 🔃 `**user_in.dict()`
+
+#### Pydantic `.dict()`
+
+`user_in` Pydantic 🏷 🎓 `UserIn`.
+
+Pydantic 🏷 ✔️ `.dict()` 👩🔬 👈 📨 `dict` ⏮️ 🏷 💽.
+
+, 🚥 👥 ✍ Pydantic 🎚 `user_in` 💖:
+
+```Python
+user_in = UserIn(username="john", password="secret", email="john.doe@example.com")
+```
+
+& ⤴️ 👥 🤙:
+
+```Python
+user_dict = user_in.dict()
+```
+
+👥 🔜 ✔️ `dict` ⏮️ 💽 🔢 `user_dict` (⚫️ `dict` ↩️ Pydantic 🏷 🎚).
+
+& 🚥 👥 🤙:
+
+```Python
+print(user_dict)
+```
+
+👥 🔜 🤚 🐍 `dict` ⏮️:
+
+```Python
+{
+ 'username': 'john',
+ 'password': 'secret',
+ 'email': 'john.doe@example.com',
+ 'full_name': None,
+}
+```
+
+#### 🎁 `dict`
+
+🚥 👥 ✊ `dict` 💖 `user_dict` & 🚶♀️ ⚫️ 🔢 (⚖️ 🎓) ⏮️ `**user_dict`, 🐍 🔜 "🎁" ⚫️. ⚫️ 🔜 🚶♀️ 🔑 & 💲 `user_dict` 🔗 🔑-💲 ❌.
+
+, ▶️ ⏮️ `user_dict` ⚪️➡️ 🔛, ✍:
+
+```Python
+UserInDB(**user_dict)
+```
+
+🔜 🏁 🕳 🌓:
+
+```Python
+UserInDB(
+ username="john",
+ password="secret",
+ email="john.doe@example.com",
+ full_name=None,
+)
+```
+
+⚖️ 🌅 ⚫️❔, ⚙️ `user_dict` 🔗, ⏮️ ⚫️❔ 🎚 ⚫️ 💪 ✔️ 🔮:
+
+```Python
+UserInDB(
+ username = user_dict["username"],
+ password = user_dict["password"],
+ email = user_dict["email"],
+ full_name = user_dict["full_name"],
+)
+```
+
+#### Pydantic 🏷 ⚪️➡️ 🎚 ➕1️⃣
+
+🖼 🔛 👥 🤚 `user_dict` ⚪️➡️ `user_in.dict()`, 👉 📟:
+
+```Python
+user_dict = user_in.dict()
+UserInDB(**user_dict)
+```
+
+🔜 🌓:
+
+```Python
+UserInDB(**user_in.dict())
+```
+
+...↩️ `user_in.dict()` `dict`, & ⤴️ 👥 ⚒ 🐍 "🎁" ⚫️ 🚶♀️ ⚫️ `UserInDB` 🔠 ⏮️ `**`.
+
+, 👥 🤚 Pydantic 🏷 ⚪️➡️ 💽 ➕1️⃣ Pydantic 🏷.
+
+#### 🎁 `dict` & ➕ 🇨🇻
+
+& ⤴️ ❎ ➕ 🇨🇻 ❌ `hashed_password=hashed_password`, 💖:
+
+```Python
+UserInDB(**user_in.dict(), hashed_password=hashed_password)
+```
+
+...🔚 🆙 💆♂ 💖:
+
+```Python
+UserInDB(
+ username = user_dict["username"],
+ password = user_dict["password"],
+ email = user_dict["email"],
+ full_name = user_dict["full_name"],
+ hashed_password = hashed_password,
+)
+```
+
+!!! warning
+ 🔗 🌖 🔢 🤖 💪 💧 💽, ✋️ 👫 ↗️ 🚫 🚚 🙆 🎰 💂♂.
+
+## 📉 ❎
+
+📉 📟 ❎ 1️⃣ 🐚 💭 **FastAPI**.
+
+📟 ❎ 📈 🤞 🐛, 💂♂ ❔, 📟 🔁 ❔ (🕐❔ 👆 ℹ 1️⃣ 🥉 ✋️ 🚫 🎏), ♒️.
+
+& 👉 🏷 🌐 🤝 📚 💽 & ❎ 🔢 📛 & 🆎.
+
+👥 💪 👻.
+
+👥 💪 📣 `UserBase` 🏷 👈 🍦 🧢 👆 🎏 🏷. & ⤴️ 👥 💪 ⚒ 🏿 👈 🏷 👈 😖 🚮 🔢 (🆎 📄, 🔬, ♒️).
+
+🌐 💽 🛠️, 🔬, 🧾, ♒️. 🔜 👷 🛎.
+
+👈 🌌, 👥 💪 📣 🔺 🖖 🏷 (⏮️ 🔢 `password`, ⏮️ `hashed_password` & 🍵 🔐):
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9 15-16 19-20 23-24"
+ {!> ../../../docs_src/extra_models/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7 13-14 17-18 21-22"
+ {!> ../../../docs_src/extra_models/tutorial002_py310.py!}
+ ```
+
+## `Union` ⚖️ `anyOf`
+
+👆 💪 📣 📨 `Union` 2️⃣ 🆎, 👈 ⛓, 👈 📨 🔜 🙆 2️⃣.
+
+⚫️ 🔜 🔬 🗄 ⏮️ `anyOf`.
+
+👈, ⚙️ 🐩 🐍 🆎 🔑 <a href="https://docs.python.org/3/library/typing.html#typing.Union" class="external-link" target="_blank">`typing.Union`</a>:
+
+!!! note
+ 🕐❔ ⚖ <a href="https://pydantic-docs.helpmanual.io/usage/types/#unions" class="external-link" target="_blank">`Union`</a>, 🔌 🏆 🎯 🆎 🥇, ⏩ 🌘 🎯 🆎. 🖼 🔛, 🌖 🎯 `PlaneItem` 👟 ⏭ `CarItem` `Union[PlaneItem, CarItem]`.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 14-15 18-20 33"
+ {!> ../../../docs_src/extra_models/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1 14-15 18-20 33"
+ {!> ../../../docs_src/extra_models/tutorial003_py310.py!}
+ ```
+
+### `Union` 🐍 3️⃣.1️⃣0️⃣
+
+👉 🖼 👥 🚶♀️ `Union[PlaneItem, CarItem]` 💲 ❌ `response_model`.
+
+↩️ 👥 🚶♀️ ⚫️ **💲 ❌** ↩️ 🚮 ⚫️ **🆎 ✍**, 👥 ✔️ ⚙️ `Union` 🐍 3️⃣.1️⃣0️⃣.
+
+🚥 ⚫️ 🆎 ✍ 👥 💪 ✔️ ⚙️ ⏸ ⏸,:
+
+```Python
+some_variable: PlaneItem | CarItem
+```
+
+✋️ 🚥 👥 🚮 👈 `response_model=PlaneItem | CarItem` 👥 🔜 🤚 ❌, ↩️ 🐍 🔜 🔄 🎭 **❌ 🛠️** 🖖 `PlaneItem` & `CarItem` ↩️ 🔬 👈 🆎 ✍.
+
+## 📇 🏷
+
+🎏 🌌, 👆 💪 📣 📨 📇 🎚.
+
+👈, ⚙️ 🐩 🐍 `typing.List` (⚖️ `list` 🐍 3️⃣.9️⃣ & 🔛):
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 20"
+ {!> ../../../docs_src/extra_models/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/extra_models/tutorial004_py39.py!}
+ ```
+
+## 📨 ⏮️ ❌ `dict`
+
+👆 💪 📣 📨 ⚙️ ✅ ❌ `dict`, 📣 🆎 🔑 & 💲, 🍵 ⚙️ Pydantic 🏷.
+
+👉 ⚠ 🚥 👆 🚫 💭 ☑ 🏑/🔢 📛 (👈 🔜 💪 Pydantic 🏷) ⏪.
+
+👉 💼, 👆 💪 ⚙️ `typing.Dict` (⚖️ `dict` 🐍 3️⃣.9️⃣ & 🔛):
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="1 8"
+ {!> ../../../docs_src/extra_models/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="6"
+ {!> ../../../docs_src/extra_models/tutorial005_py39.py!}
+ ```
+
+## 🌃
+
+⚙️ 💗 Pydantic 🏷 & 😖 ➡ 🔠 💼.
+
+👆 🚫 💪 ✔️ 👁 💽 🏷 📍 👨💼 🚥 👈 👨💼 🔜 💪 ✔️ 🎏 "🇵🇸". 💼 ⏮️ 👩💻 "👨💼" ⏮️ 🇵🇸 ✅ `password`, `password_hash` & 🙅♂ 🔐.
--- /dev/null
+# 🥇 🔁
+
+🙅 FastAPI 📁 💪 👀 💖 👉:
+
+```Python
+{!../../../docs_src/first_steps/tutorial001.py!}
+```
+
+📁 👈 📁 `main.py`.
+
+🏃 🖖 💽:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+<span style="color: green;">INFO</span>: Started reloader process [28720]
+<span style="color: green;">INFO</span>: Started server process [28722]
+<span style="color: green;">INFO</span>: Waiting for application startup.
+<span style="color: green;">INFO</span>: Application startup complete.
+```
+
+</div>
+
+!!! note
+ 📋 `uvicorn main:app` 🔗:
+
+ * `main`: 📁 `main.py` (🐍 "🕹").
+ * `app`: 🎚 ✍ 🔘 `main.py` ⏮️ ⏸ `app = FastAPI()`.
+ * `--reload`: ⚒ 💽 ⏏ ⏮️ 📟 🔀. 🕴 ⚙️ 🛠️.
+
+🔢, 📤 ⏸ ⏮️ 🕳 💖:
+
+```hl_lines="4"
+INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+👈 ⏸ 🎦 📛 🌐❔ 👆 📱 ➖ 🍦, 👆 🇧🇿 🎰.
+
+### ✅ ⚫️
+
+📂 👆 🖥 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.
+
+👆 🔜 👀 🎻 📨:
+
+```JSON
+{"message": "Hello World"}
+```
+
+### 🎓 🛠️ 🩺
+
+🔜 🚶 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 🏧 🎓 🛠️ 🧾 (🚚 <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">🦁 🎚</a>):
+
+
+
+### 🎛 🛠️ 🩺
+
+& 🔜, 🚶 <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
+
+👆 🔜 👀 🎛 🏧 🧾 (🚚 <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">📄</a>):
+
+
+
+### 🗄
+
+**FastAPI** 🏗 "🔗" ⏮️ 🌐 👆 🛠️ ⚙️ **🗄** 🐩 ⚖ 🔗.
+
+#### "🔗"
+
+"🔗" 🔑 ⚖️ 📛 🕳. 🚫 📟 👈 🛠️ ⚫️, ✋️ 📝 📛.
+
+#### 🛠️ "🔗"
+
+👉 💼, <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">🗄</a> 🔧 👈 🤔 ❔ 🔬 🔗 👆 🛠️.
+
+👉 🔗 🔑 🔌 👆 🛠️ ➡, 💪 🔢 👫 ✊, ♒️.
+
+#### 💽 "🔗"
+
+⚖ "🔗" 💪 🔗 💠 💽, 💖 🎻 🎚.
+
+👈 💼, ⚫️ 🔜 ⛓ 🎻 🔢, & 📊 🆎 👫 ✔️, ♒️.
+
+#### 🗄 & 🎻 🔗
+
+🗄 🔬 🛠️ 🔗 👆 🛠️. & 👈 🔗 🔌 🔑 (⚖️ "🔗") 📊 📨 & 📨 👆 🛠️ ⚙️ **🎻 🔗**, 🐩 🎻 📊 🔗.
+
+#### ✅ `openapi.json`
+
+🚥 👆 😟 🔃 ❔ 🍣 🗄 🔗 👀 💖, FastAPI 🔁 🏗 🎻 (🔗) ⏮️ 📛 🌐 👆 🛠️.
+
+👆 💪 👀 ⚫️ 🔗: <a href="http://127.0.0.1:8000/openapi.json" class="external-link" target="_blank">http://127.0.0.1:8000/openapi.json</a>.
+
+⚫️ 🔜 🎦 🎻 ▶️ ⏮️ 🕳 💖:
+
+```JSON
+{
+ "openapi": "3.0.2",
+ "info": {
+ "title": "FastAPI",
+ "version": "0.1.0"
+ },
+ "paths": {
+ "/items/": {
+ "get": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+
+
+
+...
+```
+
+#### ⚫️❔ 🗄
+
+🗄 🔗 ⚫️❔ 🏋️ 2️⃣ 🎓 🧾 ⚙️ 🔌.
+
+& 📤 💯 🎛, 🌐 ⚓️ 🔛 🗄. 👆 💪 💪 🚮 🙆 📚 🎛 👆 🈸 🏗 ⏮️ **FastAPI**.
+
+👆 💪 ⚙️ ⚫️ 🏗 📟 🔁, 👩💻 👈 🔗 ⏮️ 👆 🛠️. 🖼, 🕸, 📱 ⚖️ ☁ 🈸.
+
+## 🌃, 🔁 🔁
+
+### 🔁 1️⃣: 🗄 `FastAPI`
+
+```Python hl_lines="1"
+{!../../../docs_src/first_steps/tutorial001.py!}
+```
+
+`FastAPI` 🐍 🎓 👈 🚚 🌐 🛠️ 👆 🛠️.
+
+!!! note "📡 ℹ"
+ `FastAPI` 🎓 👈 😖 🔗 ⚪️➡️ `Starlette`.
+
+ 👆 💪 ⚙️ 🌐 <a href="https://www.starlette.io/" class="external-link" target="_blank">💃</a> 🛠️ ⏮️ `FastAPI` 💁♂️.
+
+### 🔁 2️⃣: ✍ `FastAPI` "👐"
+
+```Python hl_lines="3"
+{!../../../docs_src/first_steps/tutorial001.py!}
+```
+
+📥 `app` 🔢 🔜 "👐" 🎓 `FastAPI`.
+
+👉 🔜 👑 ☝ 🔗 ✍ 🌐 👆 🛠️.
+
+👉 `app` 🎏 1️⃣ 🔗 `uvicorn` 📋:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+🚥 👆 ✍ 👆 📱 💖:
+
+```Python hl_lines="3"
+{!../../../docs_src/first_steps/tutorial002.py!}
+```
+
+& 🚮 ⚫️ 📁 `main.py`, ⤴️ 👆 🔜 🤙 `uvicorn` 💖:
+
+<div class="termy">
+
+```console
+$ uvicorn main:my_awesome_api --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+### 🔁 3️⃣: ✍ *➡ 🛠️*
+
+#### ➡
+
+"➡" 📥 🔗 🏁 🍕 📛 ▶️ ⚪️➡️ 🥇 `/`.
+
+, 📛 💖:
+
+```
+https://example.com/items/foo
+```
+
+...➡ 🔜:
+
+```
+/items/foo
+```
+
+!!! info
+ "➡" 🛎 🤙 "🔗" ⚖️ "🛣".
+
+⏪ 🏗 🛠️, "➡" 👑 🌌 🎏 "⚠" & "ℹ".
+
+#### 🛠️
+
+"🛠️" 📥 🔗 1️⃣ 🇺🇸🔍 "👩🔬".
+
+1️⃣:
+
+* `POST`
+* `GET`
+* `PUT`
+* `DELETE`
+
+...& 🌅 😍 🕐:
+
+* `OPTIONS`
+* `HEAD`
+* `PATCH`
+* `TRACE`
+
+🇺🇸🔍 🛠️, 👆 💪 🔗 🔠 ➡ ⚙️ 1️⃣ (⚖️ 🌅) 👫 "👩🔬".
+
+---
+
+🕐❔ 🏗 🔗, 👆 🛎 ⚙️ 👫 🎯 🇺🇸🔍 👩🔬 🎭 🎯 🎯.
+
+🛎 👆 ⚙️:
+
+* `POST`: ✍ 💽.
+* `GET`: ✍ 💽.
+* `PUT`: ℹ 💽.
+* `DELETE`: ❎ 💽.
+
+, 🗄, 🔠 🇺🇸🔍 👩🔬 🤙 "🛠️".
+
+👥 🔜 🤙 👫 "**🛠️**" 💁♂️.
+
+#### 🔬 *➡ 🛠️ 👨🎨*
+
+```Python hl_lines="6"
+{!../../../docs_src/first_steps/tutorial001.py!}
+```
+
+`@app.get("/")` 💬 **FastAPI** 👈 🔢 ▶️️ 🔛 🈚 🚚 📨 👈 🚶:
+
+* ➡ `/`
+* ⚙️ <abbr title="an HTTP GET method"><code>get</code> 🛠️</abbr>
+
+!!! info "`@decorator` ℹ"
+ 👈 `@something` ❕ 🐍 🤙 "👨🎨".
+
+ 👆 🚮 ⚫️ 🔛 🔝 🔢. 💖 📶 📔 👒 (👤 💭 👈 🌐❔ ⚖ 👟 ⚪️➡️).
+
+ "👨🎨" ✊ 🔢 🔛 & 🔨 🕳 ⏮️ ⚫️.
+
+ 👆 💼, 👉 👨🎨 💬 **FastAPI** 👈 🔢 🔛 🔗 **➡** `/` ⏮️ **🛠️** `get`.
+
+ ⚫️ "**➡ 🛠️ 👨🎨**".
+
+👆 💪 ⚙️ 🎏 🛠️:
+
+* `@app.post()`
+* `@app.put()`
+* `@app.delete()`
+
+& 🌅 😍 🕐:
+
+* `@app.options()`
+* `@app.head()`
+* `@app.patch()`
+* `@app.trace()`
+
+!!! tip
+ 👆 🆓 ⚙️ 🔠 🛠️ (🇺🇸🔍 👩🔬) 👆 🎋.
+
+ **FastAPI** 🚫 🛠️ 🙆 🎯 🔑.
+
+ ℹ 📥 🎁 📄, 🚫 📄.
+
+ 🖼, 🕐❔ ⚙️ 🕹 👆 🛎 🎭 🌐 🎯 ⚙️ 🕴 `POST` 🛠️.
+
+### 🔁 4️⃣: 🔬 **➡ 🛠️ 🔢**
+
+👉 👆 "**➡ 🛠️ 🔢**":
+
+* **➡**: `/`.
+* **🛠️**: `get`.
+* **🔢**: 🔢 🔛 "👨🎨" (🔛 `@app.get("/")`).
+
+```Python hl_lines="7"
+{!../../../docs_src/first_steps/tutorial001.py!}
+```
+
+👉 🐍 🔢.
+
+⚫️ 🔜 🤙 **FastAPI** 🕐❔ ⚫️ 📨 📨 📛 "`/`" ⚙️ `GET` 🛠️.
+
+👉 💼, ⚫️ `async` 🔢.
+
+---
+
+👆 💪 🔬 ⚫️ 😐 🔢 ↩️ `async def`:
+
+```Python hl_lines="7"
+{!../../../docs_src/first_steps/tutorial003.py!}
+```
+
+!!! note
+ 🚥 👆 🚫 💭 🔺, ✅ [🔁: *"🏃 ❓"*](../async.md#in-a-hurry){.internal-link target=_blank}.
+
+### 🔁 5️⃣: 📨 🎚
+
+```Python hl_lines="8"
+{!../../../docs_src/first_steps/tutorial001.py!}
+```
+
+👆 💪 📨 `dict`, `list`, ⭐ 💲 `str`, `int`, ♒️.
+
+👆 💪 📨 Pydantic 🏷 (👆 🔜 👀 🌅 🔃 👈 ⏪).
+
+📤 📚 🎏 🎚 & 🏷 👈 🔜 🔁 🗜 🎻 (🔌 🐜, ♒️). 🔄 ⚙️ 👆 💕 🕐, ⚫️ 🏆 🎲 👈 👫 ⏪ 🐕🦺.
+
+## 🌃
+
+* 🗄 `FastAPI`.
+* ✍ `app` 👐.
+* ✍ **➡ 🛠️ 👨🎨** (💖 `@app.get("/")`).
+* ✍ **➡ 🛠️ 🔢** (💖 `def root(): ...` 🔛).
+* 🏃 🛠️ 💽 (💖 `uvicorn main:app --reload`).
--- /dev/null
+# 🚚 ❌
+
+📤 📚 ⚠ 🌐❔ 👆 💪 🚨 ❌ 👩💻 👈 ⚙️ 👆 🛠️.
+
+👉 👩💻 💪 🖥 ⏮️ 🕸, 📟 ⚪️➡️ 👱 🙆, ☁ 📳, ♒️.
+
+👆 💪 💪 💬 👩💻 👈:
+
+* 👩💻 🚫 ✔️ 🥃 😌 👈 🛠️.
+* 👩💻 🚫 ✔️ 🔐 👈 ℹ.
+* 🏬 👩💻 🔄 🔐 🚫 🔀.
+* ♒️.
+
+👫 💼, 👆 🔜 🛎 📨 **🇺🇸🔍 👔 📟** ↔ **4️⃣0️⃣0️⃣** (⚪️➡️ 4️⃣0️⃣0️⃣ 4️⃣9️⃣9️⃣).
+
+👉 🎏 2️⃣0️⃣0️⃣ 🇺🇸🔍 👔 📟 (⚪️➡️ 2️⃣0️⃣0️⃣ 2️⃣9️⃣9️⃣). 👈 "2️⃣0️⃣0️⃣" 👔 📟 ⛓ 👈 😫 📤 "🏆" 📨.
+
+👔 📟 4️⃣0️⃣0️⃣ ↔ ⛓ 👈 📤 ❌ ⚪️➡️ 👩💻.
+
+💭 🌐 👈 **"4️⃣0️⃣4️⃣ 🚫 🔎"** ❌ (& 🤣) ❓
+
+## ⚙️ `HTTPException`
+
+📨 🇺🇸🔍 📨 ⏮️ ❌ 👩💻 👆 ⚙️ `HTTPException`.
+
+### 🗄 `HTTPException`
+
+```Python hl_lines="1"
+{!../../../docs_src/handling_errors/tutorial001.py!}
+```
+
+### 🤚 `HTTPException` 👆 📟
+
+`HTTPException` 😐 🐍 ⚠ ⏮️ 🌖 📊 🔗 🔗.
+
+↩️ ⚫️ 🐍 ⚠, 👆 🚫 `return` ⚫️, 👆 `raise` ⚫️.
+
+👉 ⛓ 👈 🚥 👆 🔘 🚙 🔢 👈 👆 🤙 🔘 👆 *➡ 🛠️ 🔢*, & 👆 🤚 `HTTPException` ⚪️➡️ 🔘 👈 🚙 🔢, ⚫️ 🏆 🚫 🏃 🎂 📟 *➡ 🛠️ 🔢*, ⚫️ 🔜 ❎ 👈 📨 ▶️️ ↖️ & 📨 🇺🇸🔍 ❌ ⚪️➡️ `HTTPException` 👩💻.
+
+💰 🙋♀ ⚠ 🤭 `return`😅 💲 🔜 🌖 ⭐ 📄 🔃 🔗 & 💂♂.
+
+👉 🖼, 🕐❔ 👩💻 📨 🏬 🆔 👈 🚫 🔀, 🤚 ⚠ ⏮️ 👔 📟 `404`:
+
+```Python hl_lines="11"
+{!../../../docs_src/handling_errors/tutorial001.py!}
+```
+
+### 📉 📨
+
+🚥 👩💻 📨 `http://example.com/items/foo` ( `item_id` `"foo"`), 👈 👩💻 🔜 📨 🇺🇸🔍 👔 📟 2️⃣0️⃣0️⃣, & 🎻 📨:
+
+```JSON
+{
+ "item": "The Foo Wrestlers"
+}
+```
+
+✋️ 🚥 👩💻 📨 `http://example.com/items/bar` (🚫-🚫 `item_id` `"bar"`), 👈 👩💻 🔜 📨 🇺🇸🔍 👔 📟 4️⃣0️⃣4️⃣ ("🚫 🔎" ❌), & 🎻 📨:
+
+```JSON
+{
+ "detail": "Item not found"
+}
+```
+
+!!! tip
+ 🕐❔ 🙋♀ `HTTPException`, 👆 💪 🚶♀️ 🙆 💲 👈 💪 🗜 🎻 🔢 `detail`, 🚫 🕴 `str`.
+
+ 👆 💪 🚶♀️ `dict`, `list`, ♒️.
+
+ 👫 🍵 🔁 **FastAPI** & 🗜 🎻.
+
+## 🚮 🛃 🎚
+
+📤 ⚠ 🌐❔ ⚫️ ⚠ 💪 🚮 🛃 🎚 🇺🇸🔍 ❌. 🖼, 🆎 💂♂.
+
+👆 🎲 🏆 🚫 💪 ⚙️ ⚫️ 🔗 👆 📟.
+
+✋️ 💼 👆 💪 ⚫️ 🏧 😐, 👆 💪 🚮 🛃 🎚:
+
+```Python hl_lines="14"
+{!../../../docs_src/handling_errors/tutorial002.py!}
+```
+
+## ❎ 🛃 ⚠ 🐕🦺
+
+👆 💪 🚮 🛃 ⚠ 🐕🦺 ⏮️ <a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">🎏 ⚠ 🚙 ⚪️➡️ 💃</a>.
+
+➡️ 💬 👆 ✔️ 🛃 ⚠ `UnicornException` 👈 👆 (⚖️ 🗃 👆 ⚙️) 💪 `raise`.
+
+& 👆 💚 🍵 👉 ⚠ 🌐 ⏮️ FastAPI.
+
+👆 💪 🚮 🛃 ⚠ 🐕🦺 ⏮️ `@app.exception_handler()`:
+
+```Python hl_lines="5-7 13-18 24"
+{!../../../docs_src/handling_errors/tutorial003.py!}
+```
+
+📥, 🚥 👆 📨 `/unicorns/yolo`, *➡ 🛠️* 🔜 `raise` `UnicornException`.
+
+✋️ ⚫️ 🔜 🍵 `unicorn_exception_handler`.
+
+, 👆 🔜 📨 🧹 ❌, ⏮️ 🇺🇸🔍 👔 📟 `418` & 🎻 🎚:
+
+```JSON
+{"message": "Oops! yolo did something. There goes a rainbow..."}
+```
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.requests import Request` & `from starlette.responses import JSONResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃. 🎏 ⏮️ `Request`.
+
+## 🔐 🔢 ⚠ 🐕🦺
+
+**FastAPI** ✔️ 🔢 ⚠ 🐕🦺.
+
+👫 🐕🦺 🈚 🛬 🔢 🎻 📨 🕐❔ 👆 `raise` `HTTPException` & 🕐❔ 📨 ✔️ ❌ 💽.
+
+👆 💪 🔐 👫 ⚠ 🐕🦺 ⏮️ 👆 👍.
+
+### 🔐 📨 🔬 ⚠
+
+🕐❔ 📨 🔌 ❌ 📊, **FastAPI** 🔘 🤚 `RequestValidationError`.
+
+& ⚫️ 🔌 🔢 ⚠ 🐕🦺 ⚫️.
+
+🔐 ⚫️, 🗄 `RequestValidationError` & ⚙️ ⚫️ ⏮️ `@app.exception_handler(RequestValidationError)` 🎀 ⚠ 🐕🦺.
+
+⚠ 🐕🦺 🔜 📨 `Request` & ⚠.
+
+```Python hl_lines="2 14-16"
+{!../../../docs_src/handling_errors/tutorial004.py!}
+```
+
+🔜, 🚥 👆 🚶 `/items/foo`, ↩️ 💆♂ 🔢 🎻 ❌ ⏮️:
+
+```JSON
+{
+ "detail": [
+ {
+ "loc": [
+ "path",
+ "item_id"
+ ],
+ "msg": "value is not a valid integer",
+ "type": "type_error.integer"
+ }
+ ]
+}
+```
+
+👆 🔜 🤚 ✍ ⏬, ⏮️:
+
+```
+1 validation error
+path -> item_id
+ value is not a valid integer (type=type_error.integer)
+```
+
+#### `RequestValidationError` 🆚 `ValidationError`
+
+!!! warning
+ 👫 📡 ℹ 👈 👆 💪 🚶 🚥 ⚫️ 🚫 ⚠ 👆 🔜.
+
+`RequestValidationError` 🎧-🎓 Pydantic <a href="https://pydantic-docs.helpmanual.io/usage/models/#error-handling" class="external-link" target="_blank">`ValidationError`</a>.
+
+**FastAPI** ⚙️ ⚫️ 👈, 🚥 👆 ⚙️ Pydantic 🏷 `response_model`, & 👆 💽 ✔️ ❌, 👆 🔜 👀 ❌ 👆 🕹.
+
+✋️ 👩💻/👩💻 🔜 🚫 👀 ⚫️. ↩️, 👩💻 🔜 📨 "🔗 💽 ❌" ⏮️ 🇺🇸🔍 👔 📟 `500`.
+
+⚫️ 🔜 👉 🌌 ↩️ 🚥 👆 ✔️ Pydantic `ValidationError` 👆 *📨* ⚖️ 🙆 👆 📟 (🚫 👩💻 *📨*), ⚫️ 🤙 🐛 👆 📟.
+
+& ⏪ 👆 🔧 ⚫️, 👆 👩💻/👩💻 🚫🔜 🚫 ✔️ 🔐 🔗 ℹ 🔃 ❌, 👈 💪 🎦 💂♂ ⚠.
+
+### 🔐 `HTTPException` ❌ 🐕🦺
+
+🎏 🌌, 👆 💪 🔐 `HTTPException` 🐕🦺.
+
+🖼, 👆 💪 💚 📨 ✅ ✍ 📨 ↩️ 🎻 👫 ❌:
+
+```Python hl_lines="3-4 9-11 22"
+{!../../../docs_src/handling_errors/tutorial004.py!}
+```
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import PlainTextResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃.
+
+### ⚙️ `RequestValidationError` 💪
+
+`RequestValidationError` 🔌 `body` ⚫️ 📨 ⏮️ ❌ 💽.
+
+👆 💪 ⚙️ ⚫️ ⏪ 🛠️ 👆 📱 🕹 💪 & ℹ ⚫️, 📨 ⚫️ 👩💻, ♒️.
+
+```Python hl_lines="14"
+{!../../../docs_src/handling_errors/tutorial005.py!}
+```
+
+🔜 🔄 📨 ❌ 🏬 💖:
+
+```JSON
+{
+ "title": "towel",
+ "size": "XL"
+}
+```
+
+👆 🔜 📨 📨 💬 👆 👈 💽 ❌ ⚗ 📨 💪:
+
+```JSON hl_lines="12-15"
+{
+ "detail": [
+ {
+ "loc": [
+ "body",
+ "size"
+ ],
+ "msg": "value is not a valid integer",
+ "type": "type_error.integer"
+ }
+ ],
+ "body": {
+ "title": "towel",
+ "size": "XL"
+ }
+}
+```
+
+#### FastAPI `HTTPException` 🆚 💃 `HTTPException`
+
+**FastAPI** ✔️ 🚮 👍 `HTTPException`.
+
+& **FastAPI**'Ⓜ `HTTPException` ❌ 🎓 😖 ⚪️➡️ 💃 `HTTPException` ❌ 🎓.
+
+🕴 🔺, 👈 **FastAPI**'Ⓜ `HTTPException` ✔ 👆 🚮 🎚 🔌 📨.
+
+👉 💪/⚙️ 🔘 ✳ 2️⃣.0️⃣ & 💂♂ 🚙.
+
+, 👆 💪 🚧 🙋♀ **FastAPI**'Ⓜ `HTTPException` 🛎 👆 📟.
+
+✋️ 🕐❔ 👆 ® ⚠ 🐕🦺, 👆 🔜 ® ⚫️ 💃 `HTTPException`.
+
+👉 🌌, 🚥 🙆 🍕 💃 🔗 📟, ⚖️ 💃 ↔ ⚖️ 🔌 -, 🤚 💃 `HTTPException`, 👆 🐕🦺 🔜 💪 ✊ & 🍵 ⚫️.
+
+👉 🖼, 💪 ✔️ 👯♂️ `HTTPException`Ⓜ 🎏 📟, 💃 ⚠ 📁 `StarletteHTTPException`:
+
+```Python
+from starlette.exceptions import HTTPException as StarletteHTTPException
+```
+
+### 🏤-⚙️ **FastAPI**'Ⓜ ⚠ 🐕🦺
+
+🚥 👆 💚 ⚙️ ⚠ ⤴️ ⏮️ 🎏 🔢 ⚠ 🐕🦺 ⚪️➡️ **FastAPI**, 👆 💪 🗄 & 🏤-⚙️ 🔢 ⚠ 🐕🦺 ⚪️➡️ `fastapi.exception_handlers`:
+
+```Python hl_lines="2-5 15 21"
+{!../../../docs_src/handling_errors/tutorial006.py!}
+```
+
+👉 🖼 👆 `print`😅 ❌ ⏮️ 📶 🎨 📧, ✋️ 👆 🤚 💭. 👆 💪 ⚙️ ⚠ & ⤴️ 🏤-⚙️ 🔢 ⚠ 🐕🦺.
--- /dev/null
+# 🎚 🔢
+
+👆 💪 🔬 🎚 🔢 🎏 🌌 👆 🔬 `Query`, `Path` & `Cookie` 🔢.
+
+## 🗄 `Header`
+
+🥇 🗄 `Header`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3"
+ {!> ../../../docs_src/header_params/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/header_params/tutorial001_py310.py!}
+ ```
+
+## 📣 `Header` 🔢
+
+⤴️ 📣 🎚 🔢 ⚙️ 🎏 📊 ⏮️ `Path`, `Query` & `Cookie`.
+
+🥇 💲 🔢 💲, 👆 💪 🚶♀️ 🌐 ➕ 🔬 ⚖️ ✍ 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/header_params/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/header_params/tutorial001_py310.py!}
+ ```
+
+!!! note "📡 ℹ"
+ `Header` "👭" 🎓 `Path`, `Query` & `Cookie`. ⚫️ 😖 ⚪️➡️ 🎏 ⚠ `Param` 🎓.
+
+ ✋️ 💭 👈 🕐❔ 👆 🗄 `Query`, `Path`, `Header`, & 🎏 ⚪️➡️ `fastapi`, 👈 🤙 🔢 👈 📨 🎁 🎓.
+
+!!! info
+ 📣 🎚, 👆 💪 ⚙️ `Header`, ↩️ ⏪ 🔢 🔜 🔬 🔢 🔢.
+
+## 🏧 🛠️
+
+`Header` ✔️ 🐥 ➕ 🛠️ 🔛 🔝 ⚫️❔ `Path`, `Query` & `Cookie` 🚚.
+
+🌅 🐩 🎚 🎏 "🔠" 🦹, 💭 "➖ 🔣" (`-`).
+
+✋️ 🔢 💖 `user-agent` ❌ 🐍.
+
+, 🔢, `Header` 🔜 🗜 🔢 📛 🦹 ⚪️➡️ 🎦 (`_`) 🔠 (`-`) ⚗ & 📄 🎚.
+
+, 🇺🇸🔍 🎚 💼-😛,, 👆 💪 📣 👫 ⏮️ 🐩 🐍 👗 (💭 "🔡").
+
+, 👆 💪 ⚙️ `user_agent` 👆 🛎 🔜 🐍 📟, ↩️ 💆♂ 🎯 🥇 🔤 `User_Agent` ⚖️ 🕳 🎏.
+
+🚥 🤔 👆 💪 ❎ 🏧 🛠️ 🎦 🔠, ⚒ 🔢 `convert_underscores` `Header` `False`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/header_params/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="8"
+ {!> ../../../docs_src/header_params/tutorial002_py310.py!}
+ ```
+
+!!! warning
+ ⏭ ⚒ `convert_underscores` `False`, 🐻 🤯 👈 🇺🇸🔍 🗳 & 💽 / ⚙️ 🎚 ⏮️ 🎦.
+
+## ❎ 🎚
+
+⚫️ 💪 📨 ❎ 🎚. 👈 ⛓, 🎏 🎚 ⏮️ 💗 💲.
+
+👆 💪 🔬 👈 💼 ⚙️ 📇 🆎 📄.
+
+👆 🔜 📨 🌐 💲 ⚪️➡️ ❎ 🎚 🐍 `list`.
+
+🖼, 📣 🎚 `X-Token` 👈 💪 😑 🌅 🌘 🕐, 👆 💪 ✍:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/header_params/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/header_params/tutorial003_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/header_params/tutorial003_py310.py!}
+ ```
+
+🚥 👆 🔗 ⏮️ 👈 *➡ 🛠️* 📨 2️⃣ 🇺🇸🔍 🎚 💖:
+
+```
+X-Token: foo
+X-Token: bar
+```
+
+📨 🔜 💖:
+
+```JSON
+{
+ "X-Token values": [
+ "bar",
+ "foo"
+ ]
+}
+```
+
+## 🌃
+
+📣 🎚 ⏮️ `Header`, ⚙️ 🎏 ⚠ ⚓ `Query`, `Path` & `Cookie`.
+
+& 🚫 😟 🔃 🎦 👆 🔢, **FastAPI** 🔜 ✊ 💅 🏭 👫.
--- /dev/null
+# 🔰 - 👩💻 🦮 - 🎶
+
+👉 🔰 🎦 👆 ❔ ⚙️ **FastAPI** ⏮️ 🌅 🚮 ⚒, 🔁 🔁.
+
+🔠 📄 📉 🏗 🔛 ⏮️ 🕐, ✋️ ⚫️ 🏗 🎏 ❔, 👈 👆 💪 🚶 🔗 🙆 🎯 1️⃣ ❎ 👆 🎯 🛠️ 💪.
+
+⚫️ 🏗 👷 🔮 🔗.
+
+👆 💪 👟 🔙 & 👀 ⚫️❔ ⚫️❔ 👆 💪.
+
+## 🏃 📟
+
+🌐 📟 🍫 💪 📁 & ⚙️ 🔗 (👫 🤙 💯 🐍 📁).
+
+🏃 🙆 🖼, 📁 📟 📁 `main.py`, & ▶️ `uvicorn` ⏮️:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+<span style="color: green;">INFO</span>: Started reloader process [28720]
+<span style="color: green;">INFO</span>: Started server process [28722]
+<span style="color: green;">INFO</span>: Waiting for application startup.
+<span style="color: green;">INFO</span>: Application startup complete.
+```
+
+</div>
+
+⚫️ **🏆 💡** 👈 👆 ✍ ⚖️ 📁 📟, ✍ ⚫️ & 🏃 ⚫️ 🌐.
+
+⚙️ ⚫️ 👆 👨🎨 ⚫️❔ 🤙 🎦 👆 💰 FastAPI, 👀 ❔ 🐥 📟 👆 ✔️ ✍, 🌐 🆎 ✅, ✍, ♒️.
+
+---
+
+## ❎ FastAPI
+
+🥇 🔁 ❎ FastAPI.
+
+🔰, 👆 💪 💚 ❎ ⚫️ ⏮️ 🌐 📦 🔗 & ⚒:
+
+<div class="termy">
+
+```console
+$ pip install "fastapi[all]"
+
+---> 100%
+```
+
+</div>
+
+...👈 🔌 `uvicorn`, 👈 👆 💪 ⚙️ 💽 👈 🏃 👆 📟.
+
+!!! note
+ 👆 💪 ❎ ⚫️ 🍕 🍕.
+
+ 👉 ⚫️❔ 👆 🔜 🎲 🕐 👆 💚 🛠️ 👆 🈸 🏭:
+
+ ```
+ pip install fastapi
+ ```
+
+ ❎ `uvicorn` 👷 💽:
+
+ ```
+ pip install "uvicorn[standard]"
+ ```
+
+ & 🎏 🔠 📦 🔗 👈 👆 💚 ⚙️.
+
+## 🏧 👩💻 🦮
+
+📤 **🏧 👩💻 🦮** 👈 👆 💪 ✍ ⏪ ⏮️ 👉 **🔰 - 👩💻 🦮**.
+
+**🏧 👩💻 🦮**, 🏗 🔛 👉, ⚙️ 🎏 🔧, & 💡 👆 ➕ ⚒.
+
+✋️ 👆 🔜 🥇 ✍ **🔰 - 👩💻 🦮** (⚫️❔ 👆 👂 ▶️️ 🔜).
+
+⚫️ 🔧 👈 👆 💪 🏗 🏁 🈸 ⏮️ **🔰 - 👩💻 🦮**, & ⤴️ ↔ ⚫️ 🎏 🌌, ⚓️ 🔛 👆 💪, ⚙️ 🌖 💭 ⚪️➡️ **🏧 👩💻 🦮**.
--- /dev/null
+# 🗃 & 🩺 📛
+
+👆 💪 🛃 📚 🗃 📳 👆 **FastAPI** 🈸.
+
+## 🗃 🛠️
+
+👆 💪 ⚒ 📄 🏑 👈 ⚙️ 🗄 🔧 & 🏧 🛠️ 🩺 ⚜:
+
+| 🔢 | 🆎 | 📛 |
+|------------|------|-------------|
+| `title` | `str` | 📛 🛠️. |
+| `description` | `str` | 📏 📛 🛠️. ⚫️ 💪 ⚙️ ✍. |
+| `version` | `string` | ⏬ 🛠️. 👉 ⏬ 👆 👍 🈸, 🚫 🗄. 🖼 `2.5.0`. |
+| `terms_of_service` | `str` | 📛 ⚖ 🐕🦺 🛠️. 🚥 🚚, 👉 ✔️ 📛. |
+| `contact` | `dict` | 📧 ℹ 🎦 🛠️. ⚫️ 💪 🔌 📚 🏑. <details><summary><code>contact</code> 🏑</summary><table><thead><tr><th>🔢</th><th>🆎</th><th>📛</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td>⚖ 📛 📧 👨💼/🏢.</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>📛 ☝ 📧 ℹ. 🔜 📁 📛.</td></tr><tr><td><code>email</code></td><td><code>str</code></td><td>📧 📢 📧 👨💼/🏢. 🔜 📁 📧 📢. </td></tr></tbody></table></details> |
+| `license_info` | `dict` | 🛂 ℹ 🎦 🛠️. ⚫️ 💪 🔌 📚 🏑. <details><summary><code>license_info</code> 🏑</summary><table><thead><tr><th>🔢</th><th>🆎</th><th>📛</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td><strong>🚚</strong> (🚥 <code>license_info</code> ⚒). 🛂 📛 ⚙️ 🛠️.</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>📛 🛂 ⚙️ 🛠️. 🔜 📁 📛. </td></tr></tbody></table></details> |
+
+👆 💪 ⚒ 👫 ⏩:
+
+```Python hl_lines="3-16 19-31"
+{!../../../docs_src/metadata/tutorial001.py!}
+```
+
+!!! tip
+ 👆 💪 ✍ ✍ `description` 🏑 & ⚫️ 🔜 ✍ 🔢.
+
+⏮️ 👉 📳, 🏧 🛠️ 🩺 🔜 👀 💖:
+
+<img src="/img/tutorial/metadata/image01.png">
+
+## 🗃 🔖
+
+👆 💪 🚮 🌖 🗃 🎏 🔖 ⚙️ 👪 👆 ➡ 🛠️ ⏮️ 🔢 `openapi_tags`.
+
+⚫️ ✊ 📇 ⚗ 1️⃣ 📖 🔠 🔖.
+
+🔠 📖 💪 🔌:
+
+* `name` (**✔**): `str` ⏮️ 🎏 📛 👆 ⚙️ `tags` 🔢 👆 *➡ 🛠️* & `APIRouter`Ⓜ.
+* `description`: `str` ⏮️ 📏 📛 🔖. ⚫️ 💪 ✔️ ✍ & 🔜 🎦 🩺 🎚.
+* `externalDocs`: `dict` 🔬 🔢 🧾 ⏮️:
+ * `description`: `str` ⏮️ 📏 📛 🔢 🩺.
+ * `url` (**✔**): `str` ⏮️ 📛 🔢 🧾.
+
+### ✍ 🗃 🔖
+
+➡️ 🔄 👈 🖼 ⏮️ 🔖 `users` & `items`.
+
+✍ 🗃 👆 🔖 & 🚶♀️ ⚫️ `openapi_tags` 🔢:
+
+```Python hl_lines="3-16 18"
+{!../../../docs_src/metadata/tutorial004.py!}
+```
+
+👀 👈 👆 💪 ⚙️ ✍ 🔘 📛, 🖼 "💳" 🔜 🎦 🦁 (**💳**) & "🎀" 🔜 🎦 ❕ (_🎀_).
+
+!!! tip
+ 👆 🚫 ✔️ 🚮 🗃 🌐 🔖 👈 👆 ⚙️.
+
+### ⚙️ 👆 🔖
+
+⚙️ `tags` 🔢 ⏮️ 👆 *➡ 🛠️* (& `APIRouter`Ⓜ) 🛠️ 👫 🎏 🔖:
+
+```Python hl_lines="21 26"
+{!../../../docs_src/metadata/tutorial004.py!}
+```
+
+!!! info
+ ✍ 🌅 🔃 🔖 [➡ 🛠️ 📳](../path-operation-configuration/#tags){.internal-link target=_blank}.
+
+### ✅ 🩺
+
+🔜, 🚥 👆 ✅ 🩺, 👫 🔜 🎦 🌐 🌖 🗃:
+
+<img src="/img/tutorial/metadata/image02.png">
+
+### ✔ 🔖
+
+✔ 🔠 🔖 🗃 📖 🔬 ✔ 🎦 🩺 🎚.
+
+🖼, ✋️ `users` 🔜 🚶 ⏮️ `items` 🔤 ✔, ⚫️ 🎦 ⏭ 👫, ↩️ 👥 🚮 👫 🗃 🥇 📖 📇.
+
+## 🗄 📛
+
+🔢, 🗄 🔗 🍦 `/openapi.json`.
+
+✋️ 👆 💪 🔗 ⚫️ ⏮️ 🔢 `openapi_url`.
+
+🖼, ⚒ ⚫️ 🍦 `/api/v1/openapi.json`:
+
+```Python hl_lines="3"
+{!../../../docs_src/metadata/tutorial002.py!}
+```
+
+🚥 👆 💚 ❎ 🗄 🔗 🍕 👆 💪 ⚒ `openapi_url=None`, 👈 🔜 ❎ 🧾 👩💻 🔢 👈 ⚙️ ⚫️.
+
+## 🩺 📛
+
+👆 💪 🔗 2️⃣ 🧾 👩💻 🔢 🔌:
+
+* **🦁 🎚**: 🍦 `/docs`.
+ * 👆 💪 ⚒ 🚮 📛 ⏮️ 🔢 `docs_url`.
+ * 👆 💪 ❎ ⚫️ ⚒ `docs_url=None`.
+* **📄**: 🍦 `/redoc`.
+ * 👆 💪 ⚒ 🚮 📛 ⏮️ 🔢 `redoc_url`.
+ * 👆 💪 ❎ ⚫️ ⚒ `redoc_url=None`.
+
+🖼, ⚒ 🦁 🎚 🍦 `/documentation` & ❎ 📄:
+
+```Python hl_lines="3"
+{!../../../docs_src/metadata/tutorial003.py!}
+```
--- /dev/null
+# 🛠️
+
+👆 💪 🚮 🛠️ **FastAPI** 🈸.
+
+"🛠️" 🔢 👈 👷 ⏮️ 🔠 **📨** ⏭ ⚫️ 🛠️ 🙆 🎯 *➡ 🛠️*. & ⏮️ 🔠 **📨** ⏭ 🛬 ⚫️.
+
+* ⚫️ ✊ 🔠 **📨** 👈 👟 👆 🈸.
+* ⚫️ 💪 ⤴️ 🕳 👈 **📨** ⚖️ 🏃 🙆 💪 📟.
+* ⤴️ ⚫️ 🚶♀️ **📨** 🛠️ 🎂 🈸 ( *➡ 🛠️*).
+* ⚫️ ⤴️ ✊ **📨** 🏗 🈸 ( *➡ 🛠️*).
+* ⚫️ 💪 🕳 👈 **📨** ⚖️ 🏃 🙆 💪 📟.
+* ⤴️ ⚫️ 📨 **📨**.
+
+!!! note "📡 ℹ"
+ 🚥 👆 ✔️ 🔗 ⏮️ `yield`, 🚪 📟 🔜 🏃 *⏮️* 🛠️.
+
+ 🚥 📤 🙆 🖥 📋 (📄 ⏪), 👫 🔜 🏃 *⏮️* 🌐 🛠️.
+
+## ✍ 🛠️
+
+✍ 🛠️ 👆 ⚙️ 👨🎨 `@app.middleware("http")` 🔛 🔝 🔢.
+
+🛠️ 🔢 📨:
+
+* `request`.
+* 🔢 `call_next` 👈 🔜 📨 `request` 🔢.
+ * 👉 🔢 🔜 🚶♀️ `request` 🔗 *➡ 🛠️*.
+ * ⤴️ ⚫️ 📨 `response` 🏗 🔗 *➡ 🛠️*.
+* 👆 💪 ⤴️ 🔀 🌅 `response` ⏭ 🛬 ⚫️.
+
+```Python hl_lines="8-9 11 14"
+{!../../../docs_src/middleware/tutorial001.py!}
+```
+
+!!! tip
+ ✔️ 🤯 👈 🛃 © 🎚 💪 🚮 <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">⚙️ '✖-' 🔡</a>.
+
+ ✋️ 🚥 👆 ✔️ 🛃 🎚 👈 👆 💚 👩💻 🖥 💪 👀, 👆 💪 🚮 👫 👆 ⚜ 📳 ([⚜ (✖️-🇨🇳 ℹ 🤝)](cors.md){.internal-link target=_blank}) ⚙️ 🔢 `expose_headers` 📄 <a href="https://www.starlette.io/middleware/#corsmiddleware" class="external-link" target="_blank">💃 ⚜ 🩺</a>.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.requests import Request`.
+
+ **FastAPI** 🚚 ⚫️ 🏪 👆, 👩💻. ✋️ ⚫️ 👟 🔗 ⚪️➡️ 💃.
+
+### ⏭ & ⏮️ `response`
+
+👆 💪 🚮 📟 🏃 ⏮️ `request`, ⏭ 🙆 *➡ 🛠️* 📨 ⚫️.
+
+& ⏮️ `response` 🏗, ⏭ 🛬 ⚫️.
+
+🖼, 👆 💪 🚮 🛃 🎚 `X-Process-Time` ⚗ 🕰 🥈 👈 ⚫️ ✊ 🛠️ 📨 & 🏗 📨:
+
+```Python hl_lines="10 12-13"
+{!../../../docs_src/middleware/tutorial001.py!}
+```
+
+## 🎏 🛠️
+
+👆 💪 ⏪ ✍ 🌖 🔃 🎏 🛠️ [🏧 👩💻 🦮: 🏧 🛠️](../advanced/middleware.md){.internal-link target=_blank}.
+
+👆 🔜 ✍ 🔃 ❔ 🍵 <abbr title="Cross-Origin Resource Sharing">⚜</abbr> ⏮️ 🛠️ ⏭ 📄.
--- /dev/null
+# ➡ 🛠️ 📳
+
+📤 📚 🔢 👈 👆 💪 🚶♀️ 👆 *➡ 🛠️ 👨🎨* 🔗 ⚫️.
+
+!!! warning
+ 👀 👈 👫 🔢 🚶♀️ 🔗 *➡ 🛠️ 👨🎨*, 🚫 👆 *➡ 🛠️ 🔢*.
+
+## 📨 👔 📟
+
+👆 💪 🔬 (🇺🇸🔍) `status_code` ⚙️ 📨 👆 *➡ 🛠️*.
+
+👆 💪 🚶♀️ 🔗 `int` 📟, 💖 `404`.
+
+✋️ 🚥 👆 🚫 💭 ⚫️❔ 🔠 🔢 📟, 👆 💪 ⚙️ ⌨ 📉 `status`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3 17"
+ {!> ../../../docs_src/path_operation_configuration/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="3 17"
+ {!> ../../../docs_src/path_operation_configuration/tutorial001_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1 15"
+ {!> ../../../docs_src/path_operation_configuration/tutorial001_py310.py!}
+ ```
+
+👈 👔 📟 🔜 ⚙️ 📨 & 🔜 🚮 🗄 🔗.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette import status`.
+
+ **FastAPI** 🚚 🎏 `starlette.status` `fastapi.status` 🏪 👆, 👩💻. ✋️ ⚫️ 👟 🔗 ⚪️➡️ 💃.
+
+## 🔖
+
+👆 💪 🚮 🔖 👆 *➡ 🛠️*, 🚶♀️ 🔢 `tags` ⏮️ `list` `str` (🛎 1️⃣ `str`):
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="17 22 27"
+ {!> ../../../docs_src/path_operation_configuration/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="17 22 27"
+ {!> ../../../docs_src/path_operation_configuration/tutorial002_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="15 20 25"
+ {!> ../../../docs_src/path_operation_configuration/tutorial002_py310.py!}
+ ```
+
+👫 🔜 🚮 🗄 🔗 & ⚙️ 🏧 🧾 🔢:
+
+<img src="/img/tutorial/path-operation-configuration/image01.png">
+
+### 🔖 ⏮️ 🔢
+
+🚥 👆 ✔️ 🦏 🈸, 👆 5️⃣📆 🔚 🆙 📈 **📚 🔖**, & 👆 🔜 💚 ⚒ 💭 👆 🕧 ⚙️ **🎏 🔖** 🔗 *➡ 🛠️*.
+
+👫 💼, ⚫️ 💪 ⚒ 🔑 🏪 🔖 `Enum`.
+
+**FastAPI** 🐕🦺 👈 🎏 🌌 ⏮️ ✅ 🎻:
+
+```Python hl_lines="1 8-10 13 18"
+{!../../../docs_src/path_operation_configuration/tutorial002b.py!}
+```
+
+## 📄 & 📛
+
+👆 💪 🚮 `summary` & `description`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="20-21"
+ {!> ../../../docs_src/path_operation_configuration/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="20-21"
+ {!> ../../../docs_src/path_operation_configuration/tutorial003_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="18-19"
+ {!> ../../../docs_src/path_operation_configuration/tutorial003_py310.py!}
+ ```
+
+## 📛 ⚪️➡️ #️⃣
+
+📛 😑 📏 & 📔 💗 ⏸, 👆 💪 📣 *➡ 🛠️* 📛 🔢 <abbr title="a multi-line string as the first expression inside a function (not assigned to any variable) used for documentation"> #️⃣ </abbr> & **FastAPI** 🔜 ✍ ⚫️ ⚪️➡️ 📤.
+
+👆 💪 ✍ <a href="https://en.wikipedia.org/wiki/Markdown" class="external-link" target="_blank">✍</a> #️⃣ , ⚫️ 🔜 🔬 & 🖥 ☑ (✊ 🔘 🏧 #️⃣ 📐).
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="19-27"
+ {!> ../../../docs_src/path_operation_configuration/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="19-27"
+ {!> ../../../docs_src/path_operation_configuration/tutorial004_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17-25"
+ {!> ../../../docs_src/path_operation_configuration/tutorial004_py310.py!}
+ ```
+
+⚫️ 🔜 ⚙️ 🎓 🩺:
+
+<img src="/img/tutorial/path-operation-configuration/image02.png">
+
+## 📨 📛
+
+👆 💪 ✔ 📨 📛 ⏮️ 🔢 `response_description`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="21"
+ {!> ../../../docs_src/path_operation_configuration/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="21"
+ {!> ../../../docs_src/path_operation_configuration/tutorial005_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="19"
+ {!> ../../../docs_src/path_operation_configuration/tutorial005_py310.py!}
+ ```
+
+!!! info
+ 👀 👈 `response_description` 🔗 🎯 📨, `description` 🔗 *➡ 🛠️* 🏢.
+
+!!! check
+ 🗄 ✔ 👈 🔠 *➡ 🛠️* 🚚 📨 📛.
+
+ , 🚥 👆 🚫 🚚 1️⃣, **FastAPI** 🔜 🔁 🏗 1️⃣ "🏆 📨".
+
+<img src="/img/tutorial/path-operation-configuration/image03.png">
+
+## 😢 *➡ 🛠️*
+
+🚥 👆 💪 ™ *➡ 🛠️* <abbr title="obsolete, recommended not to use it">😢</abbr>, ✋️ 🍵 ❎ ⚫️, 🚶♀️ 🔢 `deprecated`:
+
+```Python hl_lines="16"
+{!../../../docs_src/path_operation_configuration/tutorial006.py!}
+```
+
+⚫️ 🔜 🎯 ™ 😢 🎓 🩺:
+
+<img src="/img/tutorial/path-operation-configuration/image04.png">
+
+✅ ❔ 😢 & 🚫-😢 *➡ 🛠️* 👀 💖:
+
+<img src="/img/tutorial/path-operation-configuration/image05.png">
+
+## 🌃
+
+👆 💪 🔗 & 🚮 🗃 👆 *➡ 🛠️* 💪 🚶♀️ 🔢 *➡ 🛠️ 👨🎨*.
--- /dev/null
+# ➡ 🔢 & 🔢 🔬
+
+🎏 🌌 👈 👆 💪 📣 🌅 🔬 & 🗃 🔢 🔢 ⏮️ `Query`, 👆 💪 📣 🎏 🆎 🔬 & 🗃 ➡ 🔢 ⏮️ `Path`.
+
+## 🗄 ➡
+
+🥇, 🗄 `Path` ⚪️➡️ `fastapi`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3"
+ {!> ../../../docs_src/path_params_numeric_validations/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/path_params_numeric_validations/tutorial001_py310.py!}
+ ```
+
+## 📣 🗃
+
+👆 💪 📣 🌐 🎏 🔢 `Query`.
+
+🖼, 📣 `title` 🗃 💲 ➡ 🔢 `item_id` 👆 💪 🆎:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/path_params_numeric_validations/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="8"
+ {!> ../../../docs_src/path_params_numeric_validations/tutorial001_py310.py!}
+ ```
+
+!!! note
+ ➡ 🔢 🕧 ✔ ⚫️ ✔️ 🍕 ➡.
+
+ , 👆 🔜 📣 ⚫️ ⏮️ `...` ™ ⚫️ ✔.
+
+ 👐, 🚥 👆 📣 ⚫️ ⏮️ `None` ⚖️ ⚒ 🔢 💲, ⚫️ 🔜 🚫 📉 🕳, ⚫️ 🔜 🕧 🚚.
+
+## ✔ 🔢 👆 💪
+
+➡️ 💬 👈 👆 💚 📣 🔢 🔢 `q` ✔ `str`.
+
+& 👆 🚫 💪 📣 🕳 🙆 👈 🔢, 👆 🚫 🤙 💪 ⚙️ `Query`.
+
+✋️ 👆 💪 ⚙️ `Path` `item_id` ➡ 🔢.
+
+🐍 🔜 😭 🚥 👆 🚮 💲 ⏮️ "🔢" ⏭ 💲 👈 🚫 ✔️ "🔢".
+
+✋️ 👆 💪 🏤-✔ 👫, & ✔️ 💲 🍵 🔢 (🔢 🔢 `q`) 🥇.
+
+⚫️ 🚫 🤔 **FastAPI**. ⚫️ 🔜 🔍 🔢 👫 📛, 🆎 & 🔢 📄 (`Query`, `Path`, ♒️), ⚫️ 🚫 💅 🔃 ✔.
+
+, 👆 💪 📣 👆 🔢:
+
+```Python hl_lines="7"
+{!../../../docs_src/path_params_numeric_validations/tutorial002.py!}
+```
+
+## ✔ 🔢 👆 💪, 🎱
+
+🚥 👆 💚 📣 `q` 🔢 🔢 🍵 `Query` 🚫 🙆 🔢 💲, & ➡ 🔢 `item_id` ⚙️ `Path`, & ✔️ 👫 🎏 ✔, 🐍 ✔️ 🐥 🎁 ❕ 👈.
+
+🚶♀️ `*`, 🥇 🔢 🔢.
+
+🐍 🏆 🚫 🕳 ⏮️ 👈 `*`, ✋️ ⚫️ 🔜 💭 👈 🌐 📄 🔢 🔜 🤙 🇨🇻 ❌ (🔑-💲 👫), 💭 <abbr title="From: K-ey W-ord Arg-uments"><code>kwargs</code></abbr>. 🚥 👫 🚫 ✔️ 🔢 💲.
+
+```Python hl_lines="7"
+{!../../../docs_src/path_params_numeric_validations/tutorial003.py!}
+```
+
+## 🔢 🔬: 👑 🌘 ⚖️ 🌓
+
+⏮️ `Query` & `Path` (& 🎏 👆 🔜 👀 ⏪) 👆 💪 📣 🔢 ⚛.
+
+📥, ⏮️ `ge=1`, `item_id` 🔜 💪 🔢 🔢 "`g`🅾 🌘 ⚖️ `e`🅾" `1`.
+
+```Python hl_lines="8"
+{!../../../docs_src/path_params_numeric_validations/tutorial004.py!}
+```
+
+## 🔢 🔬: 🌘 🌘 & 🌘 🌘 ⚖️ 🌓
+
+🎏 ✔:
+
+* `gt`: `g`🅾 `t`👲
+* `le`: `l`👭 🌘 ⚖️ `e`🅾
+
+```Python hl_lines="9"
+{!../../../docs_src/path_params_numeric_validations/tutorial005.py!}
+```
+
+## 🔢 🔬: 🎈, 🌘 🌘 & 🌘 🌘
+
+🔢 🔬 👷 `float` 💲.
+
+📥 🌐❔ ⚫️ ▶️️ ⚠ 💪 📣 <abbr title="greater than"><code>gt</code></abbr> & 🚫 <abbr title="greater than or equal"><code>ge</code></abbr>. ⏮️ ⚫️ 👆 💪 🚚, 🖼, 👈 💲 🔜 👑 🌘 `0`, 🚥 ⚫️ 🌘 🌘 `1`.
+
+, `0.5` 🔜 ☑ 💲. ✋️ `0.0` ⚖️ `0` 🔜 🚫.
+
+& 🎏 <abbr title="less than"><code>lt</code></abbr>.
+
+```Python hl_lines="11"
+{!../../../docs_src/path_params_numeric_validations/tutorial006.py!}
+```
+
+## 🌃
+
+⏮️ `Query`, `Path` (& 🎏 👆 🚫 👀) 👆 💪 📣 🗃 & 🎻 🔬 🎏 🌌 ⏮️ [🔢 🔢 & 🎻 🔬](query-params-str-validations.md){.internal-link target=_blank}.
+
+& 👆 💪 📣 🔢 🔬:
+
+* `gt`: `g`🅾 `t`👲
+* `ge`: `g`🅾 🌘 ⚖️ `e`🅾
+* `lt`: `l`👭 `t`👲
+* `le`: `l`👭 🌘 ⚖️ `e`🅾
+
+!!! info
+ `Query`, `Path`, & 🎏 🎓 👆 🔜 👀 ⏪ 🏿 ⚠ `Param` 🎓.
+
+ 🌐 👫 💰 🎏 🔢 🌖 🔬 & 🗃 👆 ✔️ 👀.
+
+!!! note "📡 ℹ"
+ 🕐❔ 👆 🗄 `Query`, `Path` & 🎏 ⚪️➡️ `fastapi`, 👫 🤙 🔢.
+
+ 👈 🕐❔ 🤙, 📨 👐 🎓 🎏 📛.
+
+ , 👆 🗄 `Query`, ❔ 🔢. & 🕐❔ 👆 🤙 ⚫️, ⚫️ 📨 👐 🎓 🌟 `Query`.
+
+ 👫 🔢 📤 (↩️ ⚙️ 🎓 🔗) 👈 👆 👨🎨 🚫 ™ ❌ 🔃 👫 🆎.
+
+ 👈 🌌 👆 💪 ⚙️ 👆 😐 👨🎨 & 🛠️ 🧰 🍵 ✔️ 🚮 🛃 📳 🤷♂ 📚 ❌.
--- /dev/null
+# ➡ 🔢
+
+👆 💪 📣 ➡ "🔢" ⚖️ "🔢" ⏮️ 🎏 ❕ ⚙️ 🐍 📁 🎻:
+
+```Python hl_lines="6-7"
+{!../../../docs_src/path_params/tutorial001.py!}
+```
+
+💲 ➡ 🔢 `item_id` 🔜 🚶♀️ 👆 🔢 ❌ `item_id`.
+
+, 🚥 👆 🏃 👉 🖼 & 🚶 <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a>, 👆 🔜 👀 📨:
+
+```JSON
+{"item_id":"foo"}
+```
+
+## ➡ 🔢 ⏮️ 🆎
+
+👆 💪 📣 🆎 ➡ 🔢 🔢, ⚙️ 🐩 🐍 🆎 ✍:
+
+```Python hl_lines="7"
+{!../../../docs_src/path_params/tutorial002.py!}
+```
+
+👉 💼, `item_id` 📣 `int`.
+
+!!! check
+ 👉 🔜 🤝 👆 👨🎨 🐕🦺 🔘 👆 🔢, ⏮️ ❌ ✅, 🛠️, ♒️.
+
+## 💽 <abbr title="also known as: serialization, parsing, marshalling">🛠️</abbr>
+
+🚥 👆 🏃 👉 🖼 & 📂 👆 🖥 <a href="http://127.0.0.1:8000/items/3" class="external-link" target="_blank">http://127.0.0.1:8000/items/3</a>, 👆 🔜 👀 📨:
+
+```JSON
+{"item_id":3}
+```
+
+!!! check
+ 👀 👈 💲 👆 🔢 📨 (& 📨) `3`, 🐍 `int`, 🚫 🎻 `"3"`.
+
+ , ⏮️ 👈 🆎 📄, **FastAPI** 🤝 👆 🏧 📨 <abbr title="converting the string that comes from an HTTP request into Python data">"✍"</abbr>.
+
+## 💽 🔬
+
+✋️ 🚥 👆 🚶 🖥 <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a>, 👆 🔜 👀 👌 🇺🇸🔍 ❌:
+
+```JSON
+{
+ "detail": [
+ {
+ "loc": [
+ "path",
+ "item_id"
+ ],
+ "msg": "value is not a valid integer",
+ "type": "type_error.integer"
+ }
+ ]
+}
+```
+
+↩️ ➡ 🔢 `item_id` ✔️ 💲 `"foo"`, ❔ 🚫 `int`.
+
+🎏 ❌ 🔜 😑 🚥 👆 🚚 `float` ↩️ `int`,: <a href="http://127.0.0.1:8000/items/4.2" class="external-link" target="_blank">http://127.0.0.1:8000/items/4.2</a>
+
+!!! check
+ , ⏮️ 🎏 🐍 🆎 📄, **FastAPI** 🤝 👆 💽 🔬.
+
+ 👀 👈 ❌ 🎯 🇵🇸 ⚫️❔ ☝ 🌐❔ 🔬 🚫 🚶♀️.
+
+ 👉 🙃 👍 ⏪ 🛠️ & 🛠️ 📟 👈 🔗 ⏮️ 👆 🛠️.
+
+## 🧾
+
+& 🕐❔ 👆 📂 👆 🖥 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>, 👆 🔜 👀 🏧, 🎓, 🛠️ 🧾 💖:
+
+<img src="/img/tutorial/path-params/image01.png">
+
+!!! check
+ 🔄, ⏮️ 👈 🎏 🐍 🆎 📄, **FastAPI** 🤝 👆 🏧, 🎓 🧾 (🛠️ 🦁 🎚).
+
+ 👀 👈 ➡ 🔢 📣 🔢.
+
+## 🐩-⚓️ 💰, 🎛 🧾
+
+& ↩️ 🏗 🔗 ⚪️➡️ <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md" class="external-link" target="_blank">🗄</a> 🐩, 📤 📚 🔗 🧰.
+
+↩️ 👉, **FastAPI** ⚫️ 🚚 🎛 🛠️ 🧾 (⚙️ 📄), ❔ 👆 💪 🔐 <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>:
+
+<img src="/img/tutorial/path-params/image02.png">
+
+🎏 🌌, 📤 📚 🔗 🧰. ✅ 📟 ⚡ 🧰 📚 🇪🇸.
+
+## Pydantic
+
+🌐 💽 🔬 🎭 🔽 🚘 <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a>, 👆 🤚 🌐 💰 ⚪️➡️ ⚫️. & 👆 💭 👆 👍 ✋.
+
+👆 💪 ⚙️ 🎏 🆎 📄 ⏮️ `str`, `float`, `bool` & 📚 🎏 🏗 📊 🆎.
+
+📚 👫 🔬 ⏭ 📃 🔰.
+
+## ✔ 🤔
+
+🕐❔ 🏗 *➡ 🛠️*, 👆 💪 🔎 ⚠ 🌐❔ 👆 ✔️ 🔧 ➡.
+
+💖 `/users/me`, ➡️ 💬 👈 ⚫️ 🤚 📊 🔃 ⏮️ 👩💻.
+
+& ⤴️ 👆 💪 ✔️ ➡ `/users/{user_id}` 🤚 💽 🔃 🎯 👩💻 👩💻 🆔.
+
+↩️ *➡ 🛠️* 🔬 ✔, 👆 💪 ⚒ 💭 👈 ➡ `/users/me` 📣 ⏭ 1️⃣ `/users/{user_id}`:
+
+```Python hl_lines="6 11"
+{!../../../docs_src/path_params/tutorial003.py!}
+```
+
+⏪, ➡ `/users/{user_id}` 🔜 🏏 `/users/me`, "💭" 👈 ⚫️ 📨 🔢 `user_id` ⏮️ 💲 `"me"`.
+
+➡, 👆 🚫🔜 ↔ ➡ 🛠️:
+
+```Python hl_lines="6 11"
+{!../../../docs_src/path_params/tutorial003b.py!}
+```
+
+🥇 🕐 🔜 🕧 ⚙️ ↩️ ➡ 🏏 🥇.
+
+## 🔁 💲
+
+🚥 👆 ✔️ *➡ 🛠️* 👈 📨 *➡ 🔢*, ✋️ 👆 💚 💪 ☑ *➡ 🔢* 💲 🔁, 👆 💪 ⚙️ 🐩 🐍 <abbr title="Enumeration">`Enum`</abbr>.
+
+### ✍ `Enum` 🎓
+
+🗄 `Enum` & ✍ 🎧-🎓 👈 😖 ⚪️➡️ `str` & ⚪️➡️ `Enum`.
+
+😖 ⚪️➡️ `str` 🛠️ 🩺 🔜 💪 💭 👈 💲 🔜 🆎 `string` & 🔜 💪 ✍ ☑.
+
+⤴️ ✍ 🎓 🔢 ⏮️ 🔧 💲, ❔ 🔜 💪 ☑ 💲:
+
+```Python hl_lines="1 6-9"
+{!../../../docs_src/path_params/tutorial005.py!}
+```
+
+!!! info
+ <a href="https://docs.python.org/3/library/enum.html" class="external-link" target="_blank">🔢 (⚖️ 🔢) 💪 🐍</a> ↩️ ⏬ 3️⃣.4️⃣.
+
+!!! tip
+ 🚥 👆 💭, "📊", "🎓", & "🍏" 📛 🎰 🏫 <abbr title="Technically, Deep Learning model architectures">🏷</abbr>.
+
+### 📣 *➡ 🔢*
+
+⤴️ ✍ *➡ 🔢* ⏮️ 🆎 ✍ ⚙️ 🔢 🎓 👆 ✍ (`ModelName`):
+
+```Python hl_lines="16"
+{!../../../docs_src/path_params/tutorial005.py!}
+```
+
+### ✅ 🩺
+
+↩️ 💪 💲 *➡ 🔢* 🔢, 🎓 🩺 💪 🎦 👫 🎆:
+
+<img src="/img/tutorial/path-params/image03.png">
+
+### 👷 ⏮️ 🐍 *🔢*
+
+💲 *➡ 🔢* 🔜 *🔢 👨🎓*.
+
+#### 🔬 *🔢 👨🎓*
+
+👆 💪 🔬 ⚫️ ⏮️ *🔢 👨🎓* 👆 ✍ 🔢 `ModelName`:
+
+```Python hl_lines="17"
+{!../../../docs_src/path_params/tutorial005.py!}
+```
+
+#### 🤚 *🔢 💲*
+
+👆 💪 🤚 ☑ 💲 ( `str` 👉 💼) ⚙️ `model_name.value`, ⚖️ 🏢, `your_enum_member.value`:
+
+```Python hl_lines="20"
+{!../../../docs_src/path_params/tutorial005.py!}
+```
+
+!!! tip
+ 👆 💪 🔐 💲 `"lenet"` ⏮️ `ModelName.lenet.value`.
+
+#### 📨 *🔢 👨🎓*
+
+👆 💪 📨 *🔢 👨🎓* ⚪️➡️ 👆 *➡ 🛠️*, 🐦 🎻 💪 (✅ `dict`).
+
+👫 🔜 🗜 👫 🔗 💲 (🎻 👉 💼) ⏭ 🛬 👫 👩💻:
+
+```Python hl_lines="18 21 23"
+{!../../../docs_src/path_params/tutorial005.py!}
+```
+
+👆 👩💻 👆 🔜 🤚 🎻 📨 💖:
+
+```JSON
+{
+ "model_name": "alexnet",
+ "message": "Deep Learning FTW!"
+}
+```
+
+## ➡ 🔢 ⚗ ➡
+
+➡️ 💬 👆 ✔️ *➡ 🛠️* ⏮️ ➡ `/files/{file_path}`.
+
+✋️ 👆 💪 `file_path` ⚫️ 🔌 *➡*, 💖 `home/johndoe/myfile.txt`.
+
+, 📛 👈 📁 🔜 🕳 💖: `/files/home/johndoe/myfile.txt`.
+
+### 🗄 🐕🦺
+
+🗄 🚫 🐕🦺 🌌 📣 *➡ 🔢* 🔌 *➡* 🔘, 👈 💪 ↘️ 😐 👈 ⚠ 💯 & 🔬.
+
+👐, 👆 💪 ⚫️ **FastAPI**, ⚙️ 1️⃣ 🔗 🧰 ⚪️➡️ 💃.
+
+& 🩺 🔜 👷, 👐 🚫 ❎ 🙆 🧾 💬 👈 🔢 🔜 🔌 ➡.
+
+### ➡ 🔌
+
+⚙️ 🎛 🔗 ⚪️➡️ 💃 👆 💪 📣 *➡ 🔢* ⚗ *➡* ⚙️ 📛 💖:
+
+```
+/files/{file_path:path}
+```
+
+👉 💼, 📛 🔢 `file_path`, & 🏁 🍕, `:path`, 💬 ⚫️ 👈 🔢 🔜 🏏 🙆 *➡*.
+
+, 👆 💪 ⚙️ ⚫️ ⏮️:
+
+```Python hl_lines="6"
+{!../../../docs_src/path_params/tutorial004.py!}
+```
+
+!!! tip
+ 👆 💪 💪 🔢 🔌 `/home/johndoe/myfile.txt`, ⏮️ 🏁 🔪 (`/`).
+
+ 👈 💼, 📛 🔜: `/files//home/johndoe/myfile.txt`, ⏮️ 2️⃣✖️ 🔪 (`//`) 🖖 `files` & `home`.
+
+## 🌃
+
+⏮️ **FastAPI**, ⚙️ 📏, 🏋️ & 🐩 🐍 🆎 📄, 👆 🤚:
+
+* 👨🎨 🐕🦺: ❌ ✅, ✍, ♒️.
+* 💽 "<abbr title="converting the string that comes from an HTTP request into Python data">✍</abbr>"
+* 💽 🔬
+* 🛠️ ✍ & 🏧 🧾
+
+& 👆 🕴 ✔️ 📣 👫 🕐.
+
+👈 🎲 👑 ⭐ 📈 **FastAPI** 🔬 🎛 🛠️ (↖️ ⚪️➡️ 🍣 🎭).
--- /dev/null
+# 🔢 🔢 & 🎻 🔬
+
+**FastAPI** ✔ 👆 📣 🌖 ℹ & 🔬 👆 🔢.
+
+➡️ ✊ 👉 🈸 🖼:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial001_py310.py!}
+ ```
+
+🔢 🔢 `q` 🆎 `Union[str, None]` (⚖️ `str | None` 🐍 3️⃣.1️⃣0️⃣), 👈 ⛓ 👈 ⚫️ 🆎 `str` ✋️ 💪 `None`, & 👐, 🔢 💲 `None`, FastAPI 🔜 💭 ⚫️ 🚫 ✔.
+
+!!! note
+ FastAPI 🔜 💭 👈 💲 `q` 🚫 ✔ ↩️ 🔢 💲 `= None`.
+
+ `Union` `Union[str, None]` 🔜 ✔ 👆 👨🎨 🤝 👆 👍 🐕🦺 & 🔍 ❌.
+
+## 🌖 🔬
+
+👥 🔜 🛠️ 👈 ✋️ `q` 📦, 🕐❔ ⚫️ 🚚, **🚮 📐 🚫 📉 5️⃣0️⃣ 🦹**.
+
+### 🗄 `Query`
+
+🏆 👈, 🥇 🗄 `Query` ⚪️➡️ `fastapi`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3"
+ {!> ../../../docs_src/query_params_str_validations/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1"
+ {!> ../../../docs_src/query_params_str_validations/tutorial002_py310.py!}
+ ```
+
+## ⚙️ `Query` 🔢 💲
+
+& 🔜 ⚙️ ⚫️ 🔢 💲 👆 🔢, ⚒ 🔢 `max_length` 5️⃣0️⃣:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial002_py310.py!}
+ ```
+
+👥 ✔️ ❎ 🔢 💲 `None` 🔢 ⏮️ `Query()`, 👥 💪 🔜 ⚒ 🔢 💲 ⏮️ 🔢 `Query(default=None)`, ⚫️ 🍦 🎏 🎯 ⚖ 👈 🔢 💲.
+
+:
+
+```Python
+q: Union[str, None] = Query(default=None)
+```
+
+...⚒ 🔢 📦, 🎏:
+
+```Python
+q: Union[str, None] = None
+```
+
+& 🐍 3️⃣.1️⃣0️⃣ & 🔛:
+
+```Python
+q: str | None = Query(default=None)
+```
+
+...⚒ 🔢 📦, 🎏:
+
+```Python
+q: str | None = None
+```
+
+✋️ ⚫️ 📣 ⚫️ 🎯 💆♂ 🔢 🔢.
+
+!!! info
+ ✔️ 🤯 👈 🌅 ⚠ 🍕 ⚒ 🔢 📦 🍕:
+
+ ```Python
+ = None
+ ```
+
+ ⚖️:
+
+ ```Python
+ = Query(default=None)
+ ```
+
+ ⚫️ 🔜 ⚙️ 👈 `None` 🔢 💲, & 👈 🌌 ⚒ 🔢 **🚫 ✔**.
+
+ `Union[str, None]` 🍕 ✔ 👆 👨🎨 🚚 👻 🐕🦺, ✋️ ⚫️ 🚫 ⚫️❔ 💬 FastAPI 👈 👉 🔢 🚫 ✔.
+
+⤴️, 👥 💪 🚶♀️ 🌅 🔢 `Query`. 👉 💼, `max_length` 🔢 👈 ✔ 🎻:
+
+```Python
+q: Union[str, None] = Query(default=None, max_length=50)
+```
+
+👉 🔜 ✔ 📊, 🎦 🆑 ❌ 🕐❔ 📊 🚫 ☑, & 📄 🔢 🗄 🔗 *➡ 🛠️*.
+
+## 🚮 🌅 🔬
+
+👆 💪 🚮 🔢 `min_length`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/query_params_str_validations/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial003_py310.py!}
+ ```
+
+## 🚮 🥔 🧬
+
+👆 💪 🔬 <abbr title="A regular expression, regex or regexp is a sequence of characters that define a search pattern for strings.">🥔 🧬</abbr> 👈 🔢 🔜 🏏:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="11"
+ {!> ../../../docs_src/query_params_str_validations/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial004_py310.py!}
+ ```
+
+👉 🎯 🥔 🧬 ✅ 👈 📨 🔢 💲:
+
+* `^`: ▶️ ⏮️ 📄 🦹, 🚫 ✔️ 🦹 ⏭.
+* `fixedquery`: ✔️ ☑ 💲 `fixedquery`.
+* `$`: 🔚 📤, 🚫 ✔️ 🙆 🌖 🦹 ⏮️ `fixedquery`.
+
+🚥 👆 💭 💸 ⏮️ 🌐 👉 **"🥔 🧬"** 💭, 🚫 😟. 👫 🏋️ ❔ 📚 👫👫. 👆 💪 📚 💩 🍵 💆♂ 🥔 🧬.
+
+✋️ 🕐❔ 👆 💪 👫 & 🚶 & 💡 👫, 💭 👈 👆 💪 ⏪ ⚙️ 👫 🔗 **FastAPI**.
+
+## 🔢 💲
+
+🎏 🌌 👈 👆 💪 🚶♀️ `None` 💲 `default` 🔢, 👆 💪 🚶♀️ 🎏 💲.
+
+➡️ 💬 👈 👆 💚 📣 `q` 🔢 🔢 ✔️ `min_length` `3`, & ✔️ 🔢 💲 `"fixedquery"`:
+
+```Python hl_lines="7"
+{!../../../docs_src/query_params_str_validations/tutorial005.py!}
+```
+
+!!! note
+ ✔️ 🔢 💲 ⚒ 🔢 📦.
+
+## ⚒ ⚫️ ✔
+
+🕐❔ 👥 🚫 💪 📣 🌅 🔬 ⚖️ 🗃, 👥 💪 ⚒ `q` 🔢 🔢 ✔ 🚫 📣 🔢 💲, 💖:
+
+```Python
+q: str
+```
+
+↩️:
+
+```Python
+q: Union[str, None] = None
+```
+
+✋️ 👥 🔜 📣 ⚫️ ⏮️ `Query`, 🖼 💖:
+
+```Python
+q: Union[str, None] = Query(default=None, min_length=3)
+```
+
+, 🕐❔ 👆 💪 📣 💲 ✔ ⏪ ⚙️ `Query`, 👆 💪 🎯 🚫 📣 🔢 💲:
+
+```Python hl_lines="7"
+{!../../../docs_src/query_params_str_validations/tutorial006.py!}
+```
+
+### ✔ ⏮️ ❕ (`...`)
+
+📤 🎛 🌌 🎯 📣 👈 💲 ✔. 👆 💪 ⚒ `default` 🔢 🔑 💲 `...`:
+
+```Python hl_lines="7"
+{!../../../docs_src/query_params_str_validations/tutorial006b.py!}
+```
+
+!!! info
+ 🚥 👆 🚫 👀 👈 `...` ⏭: ⚫️ 🎁 👁 💲, ⚫️ <a href="https://docs.python.org/3/library/constants.html#Ellipsis" class="external-link" target="_blank">🍕 🐍 & 🤙 "❕"</a>.
+
+ ⚫️ ⚙️ Pydantic & FastAPI 🎯 📣 👈 💲 ✔.
+
+👉 🔜 ➡️ **FastAPI** 💭 👈 👉 🔢 ✔.
+
+### ✔ ⏮️ `None`
+
+👆 💪 📣 👈 🔢 💪 🚫 `None`, ✋️ 👈 ⚫️ ✔. 👉 🔜 ⚡ 👩💻 📨 💲, 🚥 💲 `None`.
+
+👈, 👆 💪 📣 👈 `None` ☑ 🆎 ✋️ ⚙️ `default=...`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial006c.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial006c_py310.py!}
+ ```
+
+!!! tip
+ Pydantic, ❔ ⚫️❔ 🏋️ 🌐 💽 🔬 & 🛠️ FastAPI, ✔️ 🎁 🎭 🕐❔ 👆 ⚙️ `Optional` ⚖️ `Union[Something, None]` 🍵 🔢 💲, 👆 💪 ✍ 🌅 🔃 ⚫️ Pydantic 🩺 🔃 <a href="https://pydantic-docs.helpmanual.io/usage/models/#required-optional-fields" class="external-link" target="_blank">✔ 📦 🏑</a>.
+
+### ⚙️ Pydantic `Required` ↩️ ❕ (`...`)
+
+🚥 👆 💭 😬 ⚙️ `...`, 👆 💪 🗄 & ⚙️ `Required` ⚪️➡️ Pydantic:
+
+```Python hl_lines="2 8"
+{!../../../docs_src/query_params_str_validations/tutorial006d.py!}
+```
+
+!!! tip
+ 💭 👈 🌅 💼, 🕐❔ 🕳 🚚, 👆 💪 🎯 🚫 `default` 🔢, 👆 🛎 🚫 ✔️ ⚙️ `...` 🚫 `Required`.
+
+## 🔢 🔢 📇 / 💗 💲
+
+🕐❔ 👆 🔬 🔢 🔢 🎯 ⏮️ `Query` 👆 💪 📣 ⚫️ 📨 📇 💲, ⚖️ 🙆♀ 🎏 🌌, 📨 💗 💲.
+
+🖼, 📣 🔢 🔢 `q` 👈 💪 😑 💗 🕰 📛, 👆 💪 ✍:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial011.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial011_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial011_py310.py!}
+ ```
+
+⤴️, ⏮️ 📛 💖:
+
+```
+http://localhost:8000/items/?q=foo&q=bar
+```
+
+👆 🔜 📨 💗 `q` *🔢 🔢'* 💲 (`foo` & `bar`) 🐍 `list` 🔘 👆 *➡ 🛠️ 🔢*, *🔢 🔢* `q`.
+
+, 📨 👈 📛 🔜:
+
+```JSON
+{
+ "q": [
+ "foo",
+ "bar"
+ ]
+}
+```
+
+!!! tip
+ 📣 🔢 🔢 ⏮️ 🆎 `list`, 💖 🖼 🔛, 👆 💪 🎯 ⚙️ `Query`, ⏪ ⚫️ 🔜 🔬 📨 💪.
+
+🎓 🛠️ 🩺 🔜 ℹ ➡️, ✔ 💗 💲:
+
+<img src="/img/tutorial/query-params-str-validations/image02.png">
+
+### 🔢 🔢 📇 / 💗 💲 ⏮️ 🔢
+
+& 👆 💪 🔬 🔢 `list` 💲 🚥 👌 🚚:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial012.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial012_py39.py!}
+ ```
+
+🚥 👆 🚶:
+
+```
+http://localhost:8000/items/
+```
+
+🔢 `q` 🔜: `["foo", "bar"]` & 👆 📨 🔜:
+
+```JSON
+{
+ "q": [
+ "foo",
+ "bar"
+ ]
+}
+```
+
+#### ⚙️ `list`
+
+👆 💪 ⚙️ `list` 🔗 ↩️ `List[str]` (⚖️ `list[str]` 🐍 3️⃣.9️⃣ ➕):
+
+```Python hl_lines="7"
+{!../../../docs_src/query_params_str_validations/tutorial013.py!}
+```
+
+!!! note
+ ✔️ 🤯 👈 👉 💼, FastAPI 🏆 🚫 ✅ 🎚 📇.
+
+ 🖼, `List[int]` 🔜 ✅ (& 📄) 👈 🎚 📇 🔢. ✋️ `list` 😞 🚫🔜.
+
+## 📣 🌅 🗃
+
+👆 💪 🚮 🌅 ℹ 🔃 🔢.
+
+👈 ℹ 🔜 🔌 🏗 🗄 & ⚙️ 🧾 👩💻 🔢 & 🔢 🧰.
+
+!!! note
+ ✔️ 🤯 👈 🎏 🧰 5️⃣📆 ✔️ 🎏 🎚 🗄 🐕🦺.
+
+ 👫 💪 🚫 🎦 🌐 ➕ ℹ 📣, 👐 🌅 💼, ❌ ⚒ ⏪ 📄 🛠️.
+
+👆 💪 🚮 `title`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/query_params_str_validations/tutorial007.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="8"
+ {!> ../../../docs_src/query_params_str_validations/tutorial007_py310.py!}
+ ```
+
+& `description`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="13"
+ {!> ../../../docs_src/query_params_str_validations/tutorial008.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="12"
+ {!> ../../../docs_src/query_params_str_validations/tutorial008_py310.py!}
+ ```
+
+## 📛 🔢
+
+🌈 👈 👆 💚 🔢 `item-query`.
+
+💖:
+
+```
+http://127.0.0.1:8000/items/?item-query=foobaritems
+```
+
+✋️ `item-query` 🚫 ☑ 🐍 🔢 📛.
+
+🔐 🔜 `item_query`.
+
+✋️ 👆 💪 ⚫️ ⚫️❔ `item-query`...
+
+⤴️ 👆 💪 📣 `alias`, & 👈 📛 ⚫️❔ 🔜 ⚙️ 🔎 🔢 💲:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params_str_validations/tutorial009.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params_str_validations/tutorial009_py310.py!}
+ ```
+
+## 😛 🔢
+
+🔜 ➡️ 💬 👆 🚫 💖 👉 🔢 🚫🔜.
+
+👆 ✔️ 👈 ⚫️ 📤 ⏪ ↩️ 📤 👩💻 ⚙️ ⚫️, ✋️ 👆 💚 🩺 🎯 🎦 ⚫️ <abbr title="obsolete, recommended not to use it">😢</abbr>.
+
+⤴️ 🚶♀️ 🔢 `deprecated=True` `Query`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/query_params_str_validations/tutorial010.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17"
+ {!> ../../../docs_src/query_params_str_validations/tutorial010_py310.py!}
+ ```
+
+🩺 🔜 🎦 ⚫️ 💖 👉:
+
+<img src="/img/tutorial/query-params-str-validations/image01.png">
+
+## 🚫 ⚪️➡️ 🗄
+
+🚫 🔢 🔢 ⚪️➡️ 🏗 🗄 🔗 (& ➡️, ⚪️➡️ 🏧 🧾 ⚙️), ⚒ 🔢 `include_in_schema` `Query` `False`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/query_params_str_validations/tutorial014.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="8"
+ {!> ../../../docs_src/query_params_str_validations/tutorial014_py310.py!}
+ ```
+
+## 🌃
+
+👆 💪 📣 🌖 🔬 & 🗃 👆 🔢.
+
+💊 🔬 & 🗃:
+
+* `alias`
+* `title`
+* `description`
+* `deprecated`
+
+🔬 🎯 🎻:
+
+* `min_length`
+* `max_length`
+* `regex`
+
+👫 🖼 👆 👀 ❔ 📣 🔬 `str` 💲.
+
+👀 ⏭ 📃 👀 ❔ 📣 🔬 🎏 🆎, 💖 🔢.
--- /dev/null
+# 🔢 🔢
+
+🕐❔ 👆 📣 🎏 🔢 🔢 👈 🚫 🍕 ➡ 🔢, 👫 🔁 🔬 "🔢" 🔢.
+
+```Python hl_lines="9"
+{!../../../docs_src/query_params/tutorial001.py!}
+```
+
+🔢 ⚒ 🔑-💲 👫 👈 🚶 ⏮️ `?` 📛, 🎏 `&` 🦹.
+
+🖼, 📛:
+
+```
+http://127.0.0.1:8000/items/?skip=0&limit=10
+```
+
+...🔢 🔢:
+
+* `skip`: ⏮️ 💲 `0`
+* `limit`: ⏮️ 💲 `10`
+
+👫 🍕 📛, 👫 "🛎" 🎻.
+
+✋️ 🕐❔ 👆 📣 👫 ⏮️ 🐍 🆎 (🖼 🔛, `int`), 👫 🗜 👈 🆎 & ✔ 🛡 ⚫️.
+
+🌐 🎏 🛠️ 👈 ⚖ ➡ 🔢 ✔ 🔢 🔢:
+
+* 👨🎨 🐕🦺 (🎲)
+* 💽 <abbr title="converting the string that comes from an HTTP request into Python data">"✍"</abbr>
+* 💽 🔬
+* 🏧 🧾
+
+## 🔢
+
+🔢 🔢 🚫 🔧 🍕 ➡, 👫 💪 📦 & 💪 ✔️ 🔢 💲.
+
+🖼 🔛 👫 ✔️ 🔢 💲 `skip=0` & `limit=10`.
+
+, 🔜 📛:
+
+```
+http://127.0.0.1:8000/items/
+```
+
+🔜 🎏 🔜:
+
+```
+http://127.0.0.1:8000/items/?skip=0&limit=10
+```
+
+✋️ 🚥 👆 🚶, 🖼:
+
+```
+http://127.0.0.1:8000/items/?skip=20
+```
+
+🔢 💲 👆 🔢 🔜:
+
+* `skip=20`: ↩️ 👆 ⚒ ⚫️ 📛
+* `limit=10`: ↩️ 👈 🔢 💲
+
+## 📦 🔢
+
+🎏 🌌, 👆 💪 📣 📦 🔢 🔢, ⚒ 👫 🔢 `None`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params/tutorial002_py310.py!}
+ ```
+
+👉 💼, 🔢 🔢 `q` 🔜 📦, & 🔜 `None` 🔢.
+
+!!! check
+ 👀 👈 **FastAPI** 🙃 🥃 👀 👈 ➡ 🔢 `item_id` ➡ 🔢 & `q` 🚫,, ⚫️ 🔢 🔢.
+
+## 🔢 🔢 🆎 🛠️
+
+👆 💪 📣 `bool` 🆎, & 👫 🔜 🗜:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/query_params/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/query_params/tutorial003_py310.py!}
+ ```
+
+👉 💼, 🚥 👆 🚶:
+
+```
+http://127.0.0.1:8000/items/foo?short=1
+```
+
+⚖️
+
+```
+http://127.0.0.1:8000/items/foo?short=True
+```
+
+⚖️
+
+```
+http://127.0.0.1:8000/items/foo?short=true
+```
+
+⚖️
+
+```
+http://127.0.0.1:8000/items/foo?short=on
+```
+
+⚖️
+
+```
+http://127.0.0.1:8000/items/foo?short=yes
+```
+
+⚖️ 🙆 🎏 💼 📈 (🔠, 🥇 🔤 🔠, ♒️), 👆 🔢 🔜 👀 🔢 `short` ⏮️ `bool` 💲 `True`. ⏪ `False`.
+
+
+## 💗 ➡ & 🔢 🔢
+
+👆 💪 📣 💗 ➡ 🔢 & 🔢 🔢 🎏 🕰, **FastAPI** 💭 ❔ ❔.
+
+& 👆 🚫 ✔️ 📣 👫 🙆 🎯 ✔.
+
+👫 🔜 🔬 📛:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="8 10"
+ {!> ../../../docs_src/query_params/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="6 8"
+ {!> ../../../docs_src/query_params/tutorial004_py310.py!}
+ ```
+
+## ✔ 🔢 🔢
+
+🕐❔ 👆 📣 🔢 💲 🚫-➡ 🔢 (🔜, 👥 ✔️ 🕴 👀 🔢 🔢), ⤴️ ⚫️ 🚫 ✔.
+
+🚥 👆 🚫 💚 🚮 🎯 💲 ✋️ ⚒ ⚫️ 📦, ⚒ 🔢 `None`.
+
+✋️ 🕐❔ 👆 💚 ⚒ 🔢 🔢 ✔, 👆 💪 🚫 📣 🙆 🔢 💲:
+
+```Python hl_lines="6-7"
+{!../../../docs_src/query_params/tutorial005.py!}
+```
+
+📥 🔢 🔢 `needy` ✔ 🔢 🔢 🆎 `str`.
+
+🚥 👆 📂 👆 🖥 📛 💖:
+
+```
+http://127.0.0.1:8000/items/foo-item
+```
+
+...🍵 ❎ ✔ 🔢 `needy`, 👆 🔜 👀 ❌ 💖:
+
+```JSON
+{
+ "detail": [
+ {
+ "loc": [
+ "query",
+ "needy"
+ ],
+ "msg": "field required",
+ "type": "value_error.missing"
+ }
+ ]
+}
+```
+
+`needy` 🚚 🔢, 👆 🔜 💪 ⚒ ⚫️ 📛:
+
+```
+http://127.0.0.1:8000/items/foo-item?needy=sooooneedy
+```
+
+...👉 🔜 👷:
+
+```JSON
+{
+ "item_id": "foo-item",
+ "needy": "sooooneedy"
+}
+```
+
+& ↗️, 👆 💪 🔬 🔢 ✔, ✔️ 🔢 💲, & 🍕 📦:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/query_params/tutorial006.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="8"
+ {!> ../../../docs_src/query_params/tutorial006_py310.py!}
+ ```
+
+👉 💼, 📤 3️⃣ 🔢 🔢:
+
+* `needy`, ✔ `str`.
+* `skip`, `int` ⏮️ 🔢 💲 `0`.
+* `limit`, 📦 `int`.
+
+!!! tip
+ 👆 💪 ⚙️ `Enum`Ⓜ 🎏 🌌 ⏮️ [➡ 🔢](path-params.md#predefined-values){.internal-link target=_blank}.
--- /dev/null
+# 📨 📁
+
+👆 💪 🔬 📁 📂 👩💻 ⚙️ `File`.
+
+!!! info
+ 📨 📂 📁, 🥇 ❎ <a href="https://andrew-d.github.io/python-multipart/" class="external-link" target="_blank">`python-multipart`</a>.
+
+ 🤶 Ⓜ. `pip install python-multipart`.
+
+ 👉 ↩️ 📂 📁 📨 "📨 💽".
+
+## 🗄 `File`
+
+🗄 `File` & `UploadFile` ⚪️➡️ `fastapi`:
+
+```Python hl_lines="1"
+{!../../../docs_src/request_files/tutorial001.py!}
+```
+
+## 🔬 `File` 🔢
+
+✍ 📁 🔢 🎏 🌌 👆 🔜 `Body` ⚖️ `Form`:
+
+```Python hl_lines="7"
+{!../../../docs_src/request_files/tutorial001.py!}
+```
+
+!!! info
+ `File` 🎓 👈 😖 🔗 ⚪️➡️ `Form`.
+
+ ✋️ 💭 👈 🕐❔ 👆 🗄 `Query`, `Path`, `File` & 🎏 ⚪️➡️ `fastapi`, 👈 🤙 🔢 👈 📨 🎁 🎓.
+
+!!! tip
+ 📣 📁 💪, 👆 💪 ⚙️ `File`, ↩️ ⏪ 🔢 🔜 🔬 🔢 🔢 ⚖️ 💪 (🎻) 🔢.
+
+📁 🔜 📂 "📨 💽".
+
+🚥 👆 📣 🆎 👆 *➡ 🛠️ 🔢* 🔢 `bytes`, **FastAPI** 🔜 ✍ 📁 👆 & 👆 🔜 📨 🎚 `bytes`.
+
+✔️ 🤯 👈 👉 ⛓ 👈 🎂 🎚 🔜 🏪 💾. 👉 🔜 👷 👍 🤪 📁.
+
+✋️ 📤 📚 💼 ❔ 👆 💪 💰 ⚪️➡️ ⚙️ `UploadFile`.
+
+## 📁 🔢 ⏮️ `UploadFile`
+
+🔬 📁 🔢 ⏮️ 🆎 `UploadFile`:
+
+```Python hl_lines="12"
+{!../../../docs_src/request_files/tutorial001.py!}
+```
+
+⚙️ `UploadFile` ✔️ 📚 📈 🤭 `bytes`:
+
+* 👆 🚫 ✔️ ⚙️ `File()` 🔢 💲 🔢.
+* ⚫️ ⚙️ "🧵" 📁:
+ * 📁 🏪 💾 🆙 🔆 📐 📉, & ⏮️ 🚶♀️ 👉 📉 ⚫️ 🔜 🏪 💾.
+* 👉 ⛓ 👈 ⚫️ 🔜 👷 👍 ⭕ 📁 💖 🖼, 📹, ⭕ 💱, ♒️. 🍵 😩 🌐 💾.
+* 👆 💪 🤚 🗃 ⚪️➡️ 📂 📁.
+* ⚫️ ✔️ <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">📁-💖</a> `async` 🔢.
+* ⚫️ 🎦 ☑ 🐍 <a href="https://docs.python.org/3/library/tempfile.html#tempfile.SpooledTemporaryFile" class="external-link" target="_blank">`SpooledTemporaryFile`</a> 🎚 👈 👆 💪 🚶♀️ 🔗 🎏 🗃 👈 ⌛ 📁-💖 🎚.
+
+### `UploadFile`
+
+`UploadFile` ✔️ 📄 🔢:
+
+* `filename`: `str` ⏮️ ⏮️ 📁 📛 👈 📂 (✅ `myimage.jpg`).
+* `content_type`: `str` ⏮️ 🎚 🆎 (📁 🆎 / 📻 🆎) (✅ `image/jpeg`).
+* `file`: <a href="https://docs.python.org/3/library/tempfile.html#tempfile.SpooledTemporaryFile" class="external-link" target="_blank">`SpooledTemporaryFile`</a> ( <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">📁-💖</a> 🎚). 👉 ☑ 🐍 📁 👈 👆 💪 🚶♀️ 🔗 🎏 🔢 ⚖️ 🗃 👈 ⌛ "📁-💖" 🎚.
+
+`UploadFile` ✔️ 📄 `async` 👩🔬. 👫 🌐 🤙 🔗 📁 👩🔬 🔘 (⚙️ 🔗 `SpooledTemporaryFile`).
+
+* `write(data)`: ✍ `data` (`str` ⚖️ `bytes`) 📁.
+* `read(size)`: ✍ `size` (`int`) 🔢/🦹 📁.
+* `seek(offset)`: 🚶 🔢 🧘 `offset` (`int`) 📁.
+ * 🤶 Ⓜ., `await myfile.seek(0)` 🔜 🚶 ▶️ 📁.
+ * 👉 ✴️ ⚠ 🚥 👆 🏃 `await myfile.read()` 🕐 & ⤴️ 💪 ✍ 🎚 🔄.
+* `close()`: 🔐 📁.
+
+🌐 👫 👩🔬 `async` 👩🔬, 👆 💪 "⌛" 👫.
+
+🖼, 🔘 `async` *➡ 🛠️ 🔢* 👆 💪 🤚 🎚 ⏮️:
+
+```Python
+contents = await myfile.read()
+```
+
+🚥 👆 🔘 😐 `def` *➡ 🛠️ 🔢*, 👆 💪 🔐 `UploadFile.file` 🔗, 🖼:
+
+```Python
+contents = myfile.file.read()
+```
+
+!!! note "`async` 📡 ℹ"
+ 🕐❔ 👆 ⚙️ `async` 👩🔬, **FastAPI** 🏃 📁 👩🔬 🧵 & ⌛ 👫.
+
+!!! note "💃 📡 ℹ"
+ **FastAPI**'Ⓜ `UploadFile` 😖 🔗 ⚪️➡️ **💃**'Ⓜ `UploadFile`, ✋️ 🚮 💪 🍕 ⚒ ⚫️ 🔗 ⏮️ **Pydantic** & 🎏 🍕 FastAPI.
+
+## ⚫️❔ "📨 💽"
+
+🌌 🕸 📨 (`<form></form>`) 📨 💽 💽 🛎 ⚙️ "🎁" 🔢 👈 📊, ⚫️ 🎏 ⚪️➡️ 🎻.
+
+**FastAPI** 🔜 ⚒ 💭 ✍ 👈 📊 ⚪️➡️ ▶️️ 🥉 ↩️ 🎻.
+
+!!! note "📡 ℹ"
+ 📊 ⚪️➡️ 📨 🛎 🗜 ⚙️ "📻 🆎" `application/x-www-form-urlencoded` 🕐❔ ⚫️ 🚫 🔌 📁.
+
+ ✋️ 🕐❔ 📨 🔌 📁, ⚫️ 🗜 `multipart/form-data`. 🚥 👆 ⚙️ `File`, **FastAPI** 🔜 💭 ⚫️ ✔️ 🤚 📁 ⚪️➡️ ☑ 🍕 💪.
+
+ 🚥 👆 💚 ✍ 🌖 🔃 👉 🔢 & 📨 🏑, 👳 <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/POST" class="external-link" target="_blank"><abbr title="Mozilla Developer Network">🏇</abbr> 🕸 🩺 <code>POST</code></a>.
+
+!!! warning
+ 👆 💪 📣 💗 `File` & `Form` 🔢 *➡ 🛠️*, ✋️ 👆 💪 🚫 📣 `Body` 🏑 👈 👆 ⌛ 📨 🎻, 📨 🔜 ✔️ 💪 🗜 ⚙️ `multipart/form-data` ↩️ `application/json`.
+
+ 👉 🚫 🚫 **FastAPI**, ⚫️ 🍕 🇺🇸🔍 🛠️.
+
+## 📦 📁 📂
+
+👆 💪 ⚒ 📁 📦 ⚙️ 🐩 🆎 ✍ & ⚒ 🔢 💲 `None`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9 17"
+ {!> ../../../docs_src/request_files/tutorial001_02.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7 14"
+ {!> ../../../docs_src/request_files/tutorial001_02_py310.py!}
+ ```
+
+## `UploadFile` ⏮️ 🌖 🗃
+
+👆 💪 ⚙️ `File()` ⏮️ `UploadFile`, 🖼, ⚒ 🌖 🗃:
+
+```Python hl_lines="13"
+{!../../../docs_src/request_files/tutorial001_03.py!}
+```
+
+## 💗 📁 📂
+
+⚫️ 💪 📂 📚 📁 🎏 🕰.
+
+👫 🔜 👨💼 🎏 "📨 🏑" 📨 ⚙️ "📨 💽".
+
+⚙️ 👈, 📣 📇 `bytes` ⚖️ `UploadFile`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10 15"
+ {!> ../../../docs_src/request_files/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="8 13"
+ {!> ../../../docs_src/request_files/tutorial002_py39.py!}
+ ```
+
+👆 🔜 📨, 📣, `list` `bytes` ⚖️ `UploadFile`Ⓜ.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.responses import HTMLResponse`.
+
+ **FastAPI** 🚚 🎏 `starlette.responses` `fastapi.responses` 🏪 👆, 👩💻. ✋️ 🌅 💪 📨 👟 🔗 ⚪️➡️ 💃.
+
+### 💗 📁 📂 ⏮️ 🌖 🗃
+
+& 🎏 🌌 ⏭, 👆 💪 ⚙️ `File()` ⚒ 🌖 🔢, `UploadFile`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/request_files/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="16"
+ {!> ../../../docs_src/request_files/tutorial003_py39.py!}
+ ```
+
+## 🌃
+
+⚙️ `File`, `bytes`, & `UploadFile` 📣 📁 📂 📨, 📨 📨 💽.
--- /dev/null
+# 📨 📨 & 📁
+
+👆 💪 🔬 📁 & 📨 🏑 🎏 🕰 ⚙️ `File` & `Form`.
+
+!!! info
+ 📨 📂 📁 & /⚖️ 📨 📊, 🥇 ❎ <a href="https://andrew-d.github.io/python-multipart/" class="external-link" target="_blank">`python-multipart`</a>.
+
+ 🤶 Ⓜ. `pip install python-multipart`.
+
+## 🗄 `File` & `Form`
+
+```Python hl_lines="1"
+{!../../../docs_src/request_forms_and_files/tutorial001.py!}
+```
+
+## 🔬 `File` & `Form` 🔢
+
+✍ 📁 & 📨 🔢 🎏 🌌 👆 🔜 `Body` ⚖️ `Query`:
+
+```Python hl_lines="8"
+{!../../../docs_src/request_forms_and_files/tutorial001.py!}
+```
+
+📁 & 📨 🏑 🔜 📂 📨 📊 & 👆 🔜 📨 📁 & 📨 🏑.
+
+& 👆 💪 📣 📁 `bytes` & `UploadFile`.
+
+!!! warning
+ 👆 💪 📣 💗 `File` & `Form` 🔢 *➡ 🛠️*, ✋️ 👆 💪 🚫 📣 `Body` 🏑 👈 👆 ⌛ 📨 🎻, 📨 🔜 ✔️ 💪 🗜 ⚙️ `multipart/form-data` ↩️ `application/json`.
+
+ 👉 🚫 🚫 **FastAPI**, ⚫️ 🍕 🇺🇸🔍 🛠️.
+
+## 🌃
+
+⚙️ `File` & `Form` 👯♂️ 🕐❔ 👆 💪 📨 💽 & 📁 🎏 📨.
--- /dev/null
+# 📨 💽
+
+🕐❔ 👆 💪 📨 📨 🏑 ↩️ 🎻, 👆 💪 ⚙️ `Form`.
+
+!!! info
+ ⚙️ 📨, 🥇 ❎ <a href="https://andrew-d.github.io/python-multipart/" class="external-link" target="_blank">`python-multipart`</a>.
+
+ 🤶 Ⓜ. `pip install python-multipart`.
+
+## 🗄 `Form`
+
+🗄 `Form` ⚪️➡️ `fastapi`:
+
+```Python hl_lines="1"
+{!../../../docs_src/request_forms/tutorial001.py!}
+```
+
+## 🔬 `Form` 🔢
+
+✍ 📨 🔢 🎏 🌌 👆 🔜 `Body` ⚖️ `Query`:
+
+```Python hl_lines="7"
+{!../../../docs_src/request_forms/tutorial001.py!}
+```
+
+🖼, 1️⃣ 🌌 Oauth2️⃣ 🔧 💪 ⚙️ (🤙 "🔐 💧") ⚫️ ✔ 📨 `username` & `password` 📨 🏑.
+
+<abbr title="specification">🔌</abbr> 🚚 🏑 ⚫️❔ 📛 `username` & `password`, & 📨 📨 🏑, 🚫 🎻.
+
+⏮️ `Form` 👆 💪 📣 🎏 📳 ⏮️ `Body` (& `Query`, `Path`, `Cookie`), 🔌 🔬, 🖼, 📛 (✅ `user-name` ↩️ `username`), ♒️.
+
+!!! info
+ `Form` 🎓 👈 😖 🔗 ⚪️➡️ `Body`.
+
+!!! tip
+ 📣 📨 💪, 👆 💪 ⚙️ `Form` 🎯, ↩️ 🍵 ⚫️ 🔢 🔜 🔬 🔢 🔢 ⚖️ 💪 (🎻) 🔢.
+
+## 🔃 "📨 🏑"
+
+🌌 🕸 📨 (`<form></form>`) 📨 💽 💽 🛎 ⚙️ "🎁" 🔢 👈 📊, ⚫️ 🎏 ⚪️➡️ 🎻.
+
+**FastAPI** 🔜 ⚒ 💭 ✍ 👈 📊 ⚪️➡️ ▶️️ 🥉 ↩️ 🎻.
+
+!!! note "📡 ℹ"
+ 📊 ⚪️➡️ 📨 🛎 🗜 ⚙️ "📻 🆎" `application/x-www-form-urlencoded`.
+
+ ✋️ 🕐❔ 📨 🔌 📁, ⚫️ 🗜 `multipart/form-data`. 👆 🔜 ✍ 🔃 🚚 📁 ⏭ 📃.
+
+ 🚥 👆 💚 ✍ 🌖 🔃 👉 🔢 & 📨 🏑, 👳 <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/POST" class="external-link" target="_blank"><abbr title="Mozilla Developer Network">🏇</abbr> 🕸 🩺 <code>POST</code></a>.
+
+!!! warning
+ 👆 💪 📣 💗 `Form` 🔢 *➡ 🛠️*, ✋️ 👆 💪 🚫 📣 `Body` 🏑 👈 👆 ⌛ 📨 🎻, 📨 🔜 ✔️ 💪 🗜 ⚙️ `application/x-www-form-urlencoded` ↩️ `application/json`.
+
+ 👉 🚫 🚫 **FastAPI**, ⚫️ 🍕 🇺🇸🔍 🛠️.
+
+## 🌃
+
+⚙️ `Form` 📣 📨 💽 🔢 🔢.
--- /dev/null
+# 📨 🏷 - 📨 🆎
+
+👆 💪 📣 🆎 ⚙️ 📨 ✍ *➡ 🛠️ 🔢* **📨 🆎**.
+
+👆 💪 ⚙️ **🆎 ✍** 🎏 🌌 👆 🔜 🔢 💽 🔢 **🔢**, 👆 💪 ⚙️ Pydantic 🏷, 📇, 📖, 📊 💲 💖 🔢, 🎻, ♒️.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18 23"
+ {!> ../../../docs_src/response_model/tutorial001_01.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="18 23"
+ {!> ../../../docs_src/response_model/tutorial001_01_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="16 21"
+ {!> ../../../docs_src/response_model/tutorial001_01_py310.py!}
+ ```
+
+FastAPI 🔜 ⚙️ 👉 📨 🆎:
+
+* **✔** 📨 💽.
+ * 🚥 💽 ❌ (✅ 👆 ❌ 🏑), ⚫️ ⛓ 👈 *👆* 📱 📟 💔, 🚫 🛬 ⚫️❔ ⚫️ 🔜, & ⚫️ 🔜 📨 💽 ❌ ↩️ 🛬 ❌ 💽. 👉 🌌 👆 & 👆 👩💻 💪 🎯 👈 👫 🔜 📨 💽 & 💽 💠 📈.
+* 🚮 **🎻 🔗** 📨, 🗄 *➡ 🛠️*.
+ * 👉 🔜 ⚙️ **🏧 🩺**.
+ * ⚫️ 🔜 ⚙️ 🏧 👩💻 📟 ⚡ 🧰.
+
+✋️ 🏆 🥈:
+
+* ⚫️ 🔜 **📉 & ⛽** 🔢 📊 ⚫️❔ 🔬 📨 🆎.
+ * 👉 ✴️ ⚠ **💂♂**, 👥 🔜 👀 🌅 👈 🔛.
+
+## `response_model` 🔢
+
+📤 💼 🌐❔ 👆 💪 ⚖️ 💚 📨 💽 👈 🚫 ⚫️❔ ⚫️❔ 🆎 📣.
+
+🖼, 👆 💪 💚 **📨 📖** ⚖️ 💽 🎚, ✋️ **📣 ⚫️ Pydantic 🏷**. 👉 🌌 Pydantic 🏷 🔜 🌐 💽 🧾, 🔬, ♒️. 🎚 👈 👆 📨 (✅ 📖 ⚖️ 💽 🎚).
+
+🚥 👆 🚮 📨 🆎 ✍, 🧰 & 👨🎨 🔜 😭 ⏮️ (☑) ❌ 💬 👆 👈 👆 🔢 🛬 🆎 (✅#️⃣) 👈 🎏 ⚪️➡️ ⚫️❔ 👆 📣 (✅ Pydantic 🏷).
+
+📚 💼, 👆 💪 ⚙️ *➡ 🛠️ 👨🎨* 🔢 `response_model` ↩️ 📨 🆎.
+
+👆 💪 ⚙️ `response_model` 🔢 🙆 *➡ 🛠️*:
+
+* `@app.get()`
+* `@app.post()`
+* `@app.put()`
+* `@app.delete()`
+* ♒️.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="17 22 24-27"
+ {!> ../../../docs_src/response_model/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="17 22 24-27"
+ {!> ../../../docs_src/response_model/tutorial001_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17 22 24-27"
+ {!> ../../../docs_src/response_model/tutorial001_py310.py!}
+ ```
+
+!!! note
+ 👀 👈 `response_model` 🔢 "👨🎨" 👩🔬 (`get`, `post`, ♒️). 🚫 👆 *➡ 🛠️ 🔢*, 💖 🌐 🔢 & 💪.
+
+`response_model` 📨 🎏 🆎 👆 🔜 📣 Pydantic 🏷 🏑,, ⚫️ 💪 Pydantic 🏷, ✋️ ⚫️ 💪, ✅ `list` Pydantic 🏷, 💖 `List[Item]`.
+
+FastAPI 🔜 ⚙️ 👉 `response_model` 🌐 💽 🧾, 🔬, ♒️. & **🗜 & ⛽ 🔢 📊** 🚮 🆎 📄.
+
+!!! tip
+ 🚥 👆 ✔️ ⚠ 🆎 ✅ 👆 👨🎨, ✍, ♒️, 👆 💪 📣 🔢 📨 🆎 `Any`.
+
+ 👈 🌌 👆 💬 👨🎨 👈 👆 😫 🛬 🕳. ✋️ FastAPI 🔜 💽 🧾, 🔬, 🖥, ♒️. ⏮️ `response_model`.
+
+### `response_model` 📫
+
+🚥 👆 📣 👯♂️ 📨 🆎 & `response_model`, `response_model` 🔜 ✊ 📫 & ⚙️ FastAPI.
+
+👉 🌌 👆 💪 🚮 ☑ 🆎 ✍ 👆 🔢 🕐❔ 👆 🛬 🆎 🎏 🌘 📨 🏷, ⚙️ 👨🎨 & 🧰 💖 ✍. & 👆 💪 ✔️ FastAPI 💽 🔬, 🧾, ♒️. ⚙️ `response_model`.
+
+👆 💪 ⚙️ `response_model=None` ❎ 🏗 📨 🏷 👈 *➡ 🛠️*, 👆 5️⃣📆 💪 ⚫️ 🚥 👆 ❎ 🆎 ✍ 👜 👈 🚫 ☑ Pydantic 🏑, 👆 🔜 👀 🖼 👈 1️⃣ 📄 🔛.
+
+## 📨 🎏 🔢 💽
+
+📥 👥 📣 `UserIn` 🏷, ⚫️ 🔜 🔌 🔢 🔐:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9 11"
+ {!> ../../../docs_src/response_model/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7 9"
+ {!> ../../../docs_src/response_model/tutorial002_py310.py!}
+ ```
+
+!!! info
+ ⚙️ `EmailStr`, 🥇 ❎ <a href="https://github.com/JoshData/python-email-validator" class="external-link" target="_blank">`email_validator`</a>.
+
+ 🤶 Ⓜ. `pip install email-validator`
+ ⚖️ `pip install pydantic[email]`.
+
+& 👥 ⚙️ 👉 🏷 📣 👆 🔢 & 🎏 🏷 📣 👆 🔢:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="18"
+ {!> ../../../docs_src/response_model/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="16"
+ {!> ../../../docs_src/response_model/tutorial002_py310.py!}
+ ```
+
+🔜, 🕐❔ 🖥 🏗 👩💻 ⏮️ 🔐, 🛠️ 🔜 📨 🎏 🔐 📨.
+
+👉 💼, ⚫️ 💪 🚫 ⚠, ↩️ ⚫️ 🎏 👩💻 📨 🔐.
+
+✋️ 🚥 👥 ⚙️ 🎏 🏷 ➕1️⃣ *➡ 🛠️*, 👥 💪 📨 👆 👩💻 🔐 🔠 👩💻.
+
+!!! danger
+ 🙅 🏪 ✅ 🔐 👩💻 ⚖️ 📨 ⚫️ 📨 💖 👉, 🚥 👆 💭 🌐 ⚠ & 👆 💭 ⚫️❔ 👆 🔨.
+
+## 🚮 🔢 🏷
+
+👥 💪 ↩️ ✍ 🔢 🏷 ⏮️ 🔢 🔐 & 🔢 🏷 🍵 ⚫️:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9 11 16"
+ {!> ../../../docs_src/response_model/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="9 11 16"
+ {!> ../../../docs_src/response_model/tutorial003_py310.py!}
+ ```
+
+📥, ✋️ 👆 *➡ 🛠️ 🔢* 🛬 🎏 🔢 👩💻 👈 🔌 🔐:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="24"
+ {!> ../../../docs_src/response_model/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="24"
+ {!> ../../../docs_src/response_model/tutorial003_py310.py!}
+ ```
+
+...👥 📣 `response_model` 👆 🏷 `UserOut`, 👈 🚫 🔌 🔐:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="22"
+ {!> ../../../docs_src/response_model/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="22"
+ {!> ../../../docs_src/response_model/tutorial003_py310.py!}
+ ```
+
+, **FastAPI** 🔜 ✊ 💅 🖥 👅 🌐 💽 👈 🚫 📣 🔢 🏷 (⚙️ Pydantic).
+
+### `response_model` ⚖️ 📨 🆎
+
+👉 💼, ↩️ 2️⃣ 🏷 🎏, 🚥 👥 ✍ 🔢 📨 🆎 `UserOut`, 👨🎨 & 🧰 🔜 😭 👈 👥 🛬 ❌ 🆎, 📚 🎏 🎓.
+
+👈 ⚫️❔ 👉 🖼 👥 ✔️ 📣 ⚫️ `response_model` 🔢.
+
+...✋️ 😣 👂 🔛 👀 ❔ ❎ 👈.
+
+## 📨 🆎 & 💽 🖥
+
+➡️ 😣 ⚪️➡️ ⏮️ 🖼. 👥 💚 **✍ 🔢 ⏮️ 1️⃣ 🆎** ✋️ 📨 🕳 👈 🔌 **🌅 💽**.
+
+👥 💚 FastAPI 🚧 **🖥** 📊 ⚙️ 📨 🏷.
+
+⏮️ 🖼, ↩️ 🎓 🎏, 👥 ✔️ ⚙️ `response_model` 🔢. ✋️ 👈 ⛓ 👈 👥 🚫 🤚 🐕🦺 ⚪️➡️ 👨🎨 & 🧰 ✅ 🔢 📨 🆎.
+
+✋️ 🌅 💼 🌐❔ 👥 💪 🕳 💖 👉, 👥 💚 🏷 **⛽/❎** 📊 👉 🖼.
+
+& 👈 💼, 👥 💪 ⚙️ 🎓 & 🧬 ✊ 📈 🔢 **🆎 ✍** 🤚 👍 🐕🦺 👨🎨 & 🧰, & 🤚 FastAPI **💽 🖥**.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9-13 15-16 20"
+ {!> ../../../docs_src/response_model/tutorial003_01.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7-10 13-14 18"
+ {!> ../../../docs_src/response_model/tutorial003_01_py310.py!}
+ ```
+
+⏮️ 👉, 👥 🤚 🏭 🐕🦺, ⚪️➡️ 👨🎨 & ✍ 👉 📟 ☑ ⚖ 🆎, ✋️ 👥 🤚 💽 🖥 ⚪️➡️ FastAPI.
+
+❔ 🔨 👉 👷 ❓ ➡️ ✅ 👈 👅. 👶
+
+### 🆎 ✍ & 🏭
+
+🥇 ➡️ 👀 ❔ 👨🎨, ✍ & 🎏 🧰 🔜 👀 👉.
+
+`BaseUser` ✔️ 🧢 🏑. ⤴️ `UserIn` 😖 ⚪️➡️ `BaseUser` & 🚮 `password` 🏑,, ⚫️ 🔜 🔌 🌐 🏑 ⚪️➡️ 👯♂️ 🏷.
+
+👥 ✍ 🔢 📨 🆎 `BaseUser`, ✋️ 👥 🤙 🛬 `UserIn` 👐.
+
+👨🎨, ✍, & 🎏 🧰 🏆 🚫 😭 🔃 👉 ↩️, ⌨ ⚖, `UserIn` 🏿 `BaseUser`, ❔ ⛓ ⚫️ *☑* 🆎 🕐❔ ⚫️❔ ⌛ 🕳 👈 `BaseUser`.
+
+### FastAPI 💽 🖥
+
+🔜, FastAPI, ⚫️ 🔜 👀 📨 🆎 & ⚒ 💭 👈 ⚫️❔ 👆 📨 🔌 **🕴** 🏑 👈 📣 🆎.
+
+FastAPI 🔨 📚 👜 🔘 ⏮️ Pydantic ⚒ 💭 👈 📚 🎏 🚫 🎓 🧬 🚫 ⚙️ 📨 💽 🖥, ⏪ 👆 💪 🔚 🆙 🛬 🌅 🌅 💽 🌘 ⚫️❔ 👆 📈.
+
+👉 🌌, 👆 💪 🤚 🏆 👯♂️ 🌏: 🆎 ✍ ⏮️ **🏭 🐕🦺** & **💽 🖥**.
+
+## 👀 ⚫️ 🩺
+
+🕐❔ 👆 👀 🏧 🩺, 👆 💪 ✅ 👈 🔢 🏷 & 🔢 🏷 🔜 👯♂️ ✔️ 👫 👍 🎻 🔗:
+
+<img src="/img/tutorial/response-model/image01.png">
+
+& 👯♂️ 🏷 🔜 ⚙️ 🎓 🛠️ 🧾:
+
+<img src="/img/tutorial/response-model/image02.png">
+
+## 🎏 📨 🆎 ✍
+
+📤 5️⃣📆 💼 🌐❔ 👆 📨 🕳 👈 🚫 ☑ Pydantic 🏑 & 👆 ✍ ⚫️ 🔢, 🕴 🤚 🐕🦺 🚚 🏭 (👨🎨, ✍, ♒️).
+
+### 📨 📨 🔗
+
+🏆 ⚠ 💼 🔜 [🛬 📨 🔗 🔬 ⏪ 🏧 🩺](../advanced/response-directly.md){.internal-link target=_blank}.
+
+```Python hl_lines="8 10-11"
+{!> ../../../docs_src/response_model/tutorial003_02.py!}
+```
+
+👉 🙅 💼 🍵 🔁 FastAPI ↩️ 📨 🆎 ✍ 🎓 (⚖️ 🏿) `Response`.
+
+& 🧰 🔜 😄 ↩️ 👯♂️ `RedirectResponse` & `JSONResponse` 🏿 `Response`, 🆎 ✍ ☑.
+
+### ✍ 📨 🏿
+
+👆 💪 ⚙️ 🏿 `Response` 🆎 ✍:
+
+```Python hl_lines="8-9"
+{!> ../../../docs_src/response_model/tutorial003_03.py!}
+```
+
+👉 🔜 👷 ↩️ `RedirectResponse` 🏿 `Response`, & FastAPI 🔜 🔁 🍵 👉 🙅 💼.
+
+### ❌ 📨 🆎 ✍
+
+✋️ 🕐❔ 👆 📨 🎏 ❌ 🎚 👈 🚫 ☑ Pydantic 🆎 (✅ 💽 🎚) & 👆 ✍ ⚫️ 💖 👈 🔢, FastAPI 🔜 🔄 ✍ Pydantic 📨 🏷 ⚪️➡️ 👈 🆎 ✍, & 🔜 ❌.
+
+🎏 🔜 🔨 🚥 👆 ✔️ 🕳 💖 <abbr title='A union between multiple types means "any of these types".'>🇪🇺</abbr> 🖖 🎏 🆎 🌐❔ 1️⃣ ⚖️ 🌅 👫 🚫 ☑ Pydantic 🆎, 🖼 👉 🔜 ❌ 👶:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="10"
+ {!> ../../../docs_src/response_model/tutorial003_04.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="8"
+ {!> ../../../docs_src/response_model/tutorial003_04_py310.py!}
+ ```
+
+...👉 ❌ ↩️ 🆎 ✍ 🚫 Pydantic 🆎 & 🚫 👁 `Response` 🎓 ⚖️ 🏿, ⚫️ 🇪🇺 (🙆 2️⃣) 🖖 `Response` & `dict`.
+
+### ❎ 📨 🏷
+
+▶️ ⚪️➡️ 🖼 🔛, 👆 5️⃣📆 🚫 💚 ✔️ 🔢 💽 🔬, 🧾, 🖥, ♒️. 👈 🎭 FastAPI.
+
+✋️ 👆 💪 💚 🚧 📨 🆎 ✍ 🔢 🤚 🐕🦺 ⚪️➡️ 🧰 💖 👨🎨 & 🆎 ☑ (✅ ✍).
+
+👉 💼, 👆 💪 ❎ 📨 🏷 ⚡ ⚒ `response_model=None`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/response_model/tutorial003_05.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/response_model/tutorial003_05_py310.py!}
+ ```
+
+👉 🔜 ⚒ FastAPI 🚶 📨 🏷 ⚡ & 👈 🌌 👆 💪 ✔️ 🙆 📨 🆎 ✍ 👆 💪 🍵 ⚫️ 🤕 👆 FastAPI 🈸. 👶
+
+## 📨 🏷 🔢 🔢
+
+👆 📨 🏷 💪 ✔️ 🔢 💲, 💖:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="11 13-14"
+ {!> ../../../docs_src/response_model/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="11 13-14"
+ {!> ../../../docs_src/response_model/tutorial004_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="9 11-12"
+ {!> ../../../docs_src/response_model/tutorial004_py310.py!}
+ ```
+
+* `description: Union[str, None] = None` (⚖️ `str | None = None` 🐍 3️⃣.1️⃣0️⃣) ✔️ 🔢 `None`.
+* `tax: float = 10.5` ✔️ 🔢 `10.5`.
+* `tags: List[str] = []` 🔢 🛁 📇: `[]`.
+
+✋️ 👆 💪 💚 🚫 👫 ⚪️➡️ 🏁 🚥 👫 🚫 🤙 🏪.
+
+🖼, 🚥 👆 ✔️ 🏷 ⏮️ 📚 📦 🔢 ☁ 💽, ✋️ 👆 🚫 💚 📨 📶 📏 🎻 📨 🌕 🔢 💲.
+
+### ⚙️ `response_model_exclude_unset` 🔢
+
+👆 💪 ⚒ *➡ 🛠️ 👨🎨* 🔢 `response_model_exclude_unset=True`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="24"
+ {!> ../../../docs_src/response_model/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="24"
+ {!> ../../../docs_src/response_model/tutorial004_py39.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="22"
+ {!> ../../../docs_src/response_model/tutorial004_py310.py!}
+ ```
+
+& 👈 🔢 💲 🏆 🚫 🔌 📨, 🕴 💲 🤙 ⚒.
+
+, 🚥 👆 📨 📨 👈 *➡ 🛠️* 🏬 ⏮️ 🆔 `foo`, 📨 (🚫 ✅ 🔢 💲) 🔜:
+
+```JSON
+{
+ "name": "Foo",
+ "price": 50.2
+}
+```
+
+!!! info
+ FastAPI ⚙️ Pydantic 🏷 `.dict()` ⏮️ <a href="https://pydantic-docs.helpmanual.io/usage/exporting_models/#modeldict" class="external-link" target="_blank">🚮 `exclude_unset` 🔢</a> 🏆 👉.
+
+!!! info
+ 👆 💪 ⚙️:
+
+ * `response_model_exclude_defaults=True`
+ * `response_model_exclude_none=True`
+
+ 🔬 <a href="https://pydantic-docs.helpmanual.io/usage/exporting_models/#modeldict" class="external-link" target="_blank">Pydantic 🩺</a> `exclude_defaults` & `exclude_none`.
+
+#### 📊 ⏮️ 💲 🏑 ⏮️ 🔢
+
+✋️ 🚥 👆 📊 ✔️ 💲 🏷 🏑 ⏮️ 🔢 💲, 💖 🏬 ⏮️ 🆔 `bar`:
+
+```Python hl_lines="3 5"
+{
+ "name": "Bar",
+ "description": "The bartenders",
+ "price": 62,
+ "tax": 20.2
+}
+```
+
+👫 🔜 🔌 📨.
+
+#### 📊 ⏮️ 🎏 💲 🔢
+
+🚥 📊 ✔️ 🎏 💲 🔢 🕐, 💖 🏬 ⏮️ 🆔 `baz`:
+
+```Python hl_lines="3 5-6"
+{
+ "name": "Baz",
+ "description": None,
+ "price": 50.2,
+ "tax": 10.5,
+ "tags": []
+}
+```
+
+FastAPI 🙃 🥃 (🤙, Pydantic 🙃 🥃) 🤔 👈, ✋️ `description`, `tax`, & `tags` ✔️ 🎏 💲 🔢, 👫 ⚒ 🎯 (↩️ ✊ ⚪️➡️ 🔢).
+
+, 👫 🔜 🔌 🎻 📨.
+
+!!! tip
+ 👀 👈 🔢 💲 💪 🕳, 🚫 🕴 `None`.
+
+ 👫 💪 📇 (`[]`), `float` `10.5`, ♒️.
+
+### `response_model_include` & `response_model_exclude`
+
+👆 💪 ⚙️ *➡ 🛠️ 👨🎨* 🔢 `response_model_include` & `response_model_exclude`.
+
+👫 ✊ `set` `str` ⏮️ 📛 🔢 🔌 (❎ 🎂) ⚖️ 🚫 (✅ 🎂).
+
+👉 💪 ⚙️ ⏩ ⌨ 🚥 👆 ✔️ 🕴 1️⃣ Pydantic 🏷 & 💚 ❎ 💽 ⚪️➡️ 🔢.
+
+!!! tip
+ ✋️ ⚫️ 👍 ⚙️ 💭 🔛, ⚙️ 💗 🎓, ↩️ 👫 🔢.
+
+ 👉 ↩️ 🎻 🔗 🏗 👆 📱 🗄 (& 🩺) 🔜 1️⃣ 🏁 🏷, 🚥 👆 ⚙️ `response_model_include` ⚖️ `response_model_exclude` 🚫 🔢.
+
+ 👉 ✔ `response_model_by_alias` 👈 👷 ➡.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="31 37"
+ {!> ../../../docs_src/response_model/tutorial005.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="29 35"
+ {!> ../../../docs_src/response_model/tutorial005_py310.py!}
+ ```
+
+!!! tip
+ ❕ `{"name", "description"}` ✍ `set` ⏮️ 📚 2️⃣ 💲.
+
+ ⚫️ 🌓 `set(["name", "description"])`.
+
+#### ⚙️ `list`Ⓜ ↩️ `set`Ⓜ
+
+🚥 👆 💭 ⚙️ `set` & ⚙️ `list` ⚖️ `tuple` ↩️, FastAPI 🔜 🗜 ⚫️ `set` & ⚫️ 🔜 👷 ☑:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="31 37"
+ {!> ../../../docs_src/response_model/tutorial006.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="29 35"
+ {!> ../../../docs_src/response_model/tutorial006_py310.py!}
+ ```
+
+## 🌃
+
+⚙️ *➡ 🛠️ 👨🎨* 🔢 `response_model` 🔬 📨 🏷 & ✴️ 🚚 📢 💽 ⛽ 👅.
+
+⚙️ `response_model_exclude_unset` 📨 🕴 💲 🎯 ⚒.
--- /dev/null
+# 📨 👔 📟
+
+🎏 🌌 👆 💪 ✔ 📨 🏷, 👆 💪 📣 🇺🇸🔍 👔 📟 ⚙️ 📨 ⏮️ 🔢 `status_code` 🙆 *➡ 🛠️*:
+
+* `@app.get()`
+* `@app.post()`
+* `@app.put()`
+* `@app.delete()`
+* ♒️.
+
+```Python hl_lines="6"
+{!../../../docs_src/response_status_code/tutorial001.py!}
+```
+
+!!! note
+ 👀 👈 `status_code` 🔢 "👨🎨" 👩🔬 (`get`, `post`, ♒️). 🚫 👆 *➡ 🛠️ 🔢*, 💖 🌐 🔢 & 💪.
+
+`status_code` 🔢 📨 🔢 ⏮️ 🇺🇸🔍 👔 📟.
+
+!!! info
+ `status_code` 💪 👐 📨 `IntEnum`, ✅ 🐍 <a href="https://docs.python.org/3/library/http.html#http.HTTPStatus" class="external-link" target="_blank">`http.HTTPStatus`</a>.
+
+⚫️ 🔜:
+
+* 📨 👈 👔 📟 📨.
+* 📄 ⚫️ ✅ 🗄 🔗 ( & , 👩💻 🔢):
+
+<img src="/img/tutorial/response-status-code/image01.png">
+
+!!! note
+ 📨 📟 (👀 ⏭ 📄) 🎦 👈 📨 🔨 🚫 ✔️ 💪.
+
+ FastAPI 💭 👉, & 🔜 🏭 🗄 🩺 👈 🇵🇸 📤 🙅♂ 📨 💪.
+
+## 🔃 🇺🇸🔍 👔 📟
+
+!!! note
+ 🚥 👆 ⏪ 💭 ⚫️❔ 🇺🇸🔍 👔 📟, 🚶 ⏭ 📄.
+
+🇺🇸🔍, 👆 📨 🔢 👔 📟 3️⃣ 9️⃣ 🍕 📨.
+
+👫 👔 📟 ✔️ 📛 🔗 🤔 👫, ✋️ ⚠ 🍕 🔢.
+
+📏:
+
+* `100` & 🔛 "ℹ". 👆 🛎 ⚙️ 👫 🔗. 📨 ⏮️ 👫 👔 📟 🚫🔜 ✔️ 💪.
+* **`200`** & 🔛 "🏆" 📨. 👫 🕐 👆 🔜 ⚙️ 🏆.
+ * `200` 🔢 👔 📟, ❔ ⛓ 🌐 "👌".
+ * ➕1️⃣ 🖼 🔜 `201`, "✍". ⚫️ 🛎 ⚙️ ⏮️ 🏗 🆕 ⏺ 💽.
+ * 🎁 💼 `204`, "🙅♂ 🎚". 👉 📨 ⚙️ 🕐❔ 📤 🙅♂ 🎚 📨 👩💻, & 📨 🔜 🚫 ✔️ 💪.
+* **`300`** & 🔛 "❎". 📨 ⏮️ 👫 👔 📟 5️⃣📆 ⚖️ 5️⃣📆 🚫 ✔️ 💪, 🌖 `304`, "🚫 🔀", ❔ 🔜 🚫 ✔️ 1️⃣.
+* **`400`** & 🔛 "👩💻 ❌" 📨. 👫 🥈 🆎 👆 🔜 🎲 ⚙️ 🏆.
+ * 🖼 `404`, "🚫 🔎" 📨.
+ * 💊 ❌ ⚪️➡️ 👩💻, 👆 💪 ⚙️ `400`.
+* `500` & 🔛 💽 ❌. 👆 🌖 🙅 ⚙️ 👫 🔗. 🕐❔ 🕳 🚶 ❌ 🍕 👆 🈸 📟, ⚖️ 💽, ⚫️ 🔜 🔁 📨 1️⃣ 👫 👔 📟.
+
+!!! tip
+ 💭 🌅 🔃 🔠 👔 📟 & ❔ 📟 ⚫️❔, ✅ <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status" class="external-link" target="_blank"><abbr title="Mozilla Developer Network">🏇</abbr> 🧾 🔃 🇺🇸🔍 👔 📟</a>.
+
+## ⌨ 💭 📛
+
+➡️ 👀 ⏮️ 🖼 🔄:
+
+```Python hl_lines="6"
+{!../../../docs_src/response_status_code/tutorial001.py!}
+```
+
+`201` 👔 📟 "✍".
+
+✋️ 👆 🚫 ✔️ ✍ ⚫️❔ 🔠 👉 📟 ⛓.
+
+👆 💪 ⚙️ 🏪 🔢 ⚪️➡️ `fastapi.status`.
+
+```Python hl_lines="1 6"
+{!../../../docs_src/response_status_code/tutorial002.py!}
+```
+
+👫 🏪, 👫 🧑🤝🧑 🎏 🔢, ✋️ 👈 🌌 👆 💪 ⚙️ 👨🎨 📋 🔎 👫:
+
+<img src="/img/tutorial/response-status-code/image02.png">
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette import status`.
+
+ **FastAPI** 🚚 🎏 `starlette.status` `fastapi.status` 🏪 👆, 👩💻. ✋️ ⚫️ 👟 🔗 ⚪️➡️ 💃.
+
+## 🔀 🔢
+
+⏪, [🏧 👩💻 🦮](../advanced/response-change-status-code.md){.internal-link target=_blank}, 👆 🔜 👀 ❔ 📨 🎏 👔 📟 🌘 🔢 👆 📣 📥.
--- /dev/null
+# 📣 📨 🖼 💽
+
+👆 💪 📣 🖼 💽 👆 📱 💪 📨.
+
+📥 📚 🌌 ⚫️.
+
+## Pydantic `schema_extra`
+
+👆 💪 📣 `example` Pydantic 🏷 ⚙️ `Config` & `schema_extra`, 🔬 <a href="https://pydantic-docs.helpmanual.io/usage/schema/#schema-customization" class="external-link" target="_blank">Pydantic 🩺: 🔗 🛃</a>:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="15-23"
+ {!> ../../../docs_src/schema_extra_example/tutorial001.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="13-21"
+ {!> ../../../docs_src/schema_extra_example/tutorial001_py310.py!}
+ ```
+
+👈 ➕ ℹ 🔜 🚮-🔢 **🎻 🔗** 👈 🏷, & ⚫️ 🔜 ⚙️ 🛠️ 🩺.
+
+!!! tip
+ 👆 💪 ⚙️ 🎏 ⚒ ↔ 🎻 🔗 & 🚮 👆 👍 🛃 ➕ ℹ.
+
+ 🖼 👆 💪 ⚙️ ⚫️ 🚮 🗃 🕸 👩💻 🔢, ♒️.
+
+## `Field` 🌖 ❌
+
+🕐❔ ⚙️ `Field()` ⏮️ Pydantic 🏷, 👆 💪 📣 ➕ ℹ **🎻 🔗** 🚶♀️ 🙆 🎏 ❌ ❌ 🔢.
+
+👆 💪 ⚙️ 👉 🚮 `example` 🔠 🏑:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="4 10-13"
+ {!> ../../../docs_src/schema_extra_example/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="2 8-11"
+ {!> ../../../docs_src/schema_extra_example/tutorial002_py310.py!}
+ ```
+
+!!! warning
+ 🚧 🤯 👈 📚 ➕ ❌ 🚶♀️ 🏆 🚫 🚮 🙆 🔬, 🕴 ➕ ℹ, 🧾 🎯.
+
+## `example` & `examples` 🗄
+
+🕐❔ ⚙️ 🙆:
+
+* `Path()`
+* `Query()`
+* `Header()`
+* `Cookie()`
+* `Body()`
+* `Form()`
+* `File()`
+
+👆 💪 📣 💽 `example` ⚖️ 👪 `examples` ⏮️ 🌖 ℹ 👈 🔜 🚮 **🗄**.
+
+### `Body` ⏮️ `example`
+
+📥 👥 🚶♀️ `example` 📊 ⌛ `Body()`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="20-25"
+ {!> ../../../docs_src/schema_extra_example/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="18-23"
+ {!> ../../../docs_src/schema_extra_example/tutorial003_py310.py!}
+ ```
+
+### 🖼 🩺 🎚
+
+⏮️ 🙆 👩🔬 🔛 ⚫️ 🔜 👀 💖 👉 `/docs`:
+
+<img src="/img/tutorial/body-fields/image01.png">
+
+### `Body` ⏮️ 💗 `examples`
+
+👐 👁 `example`, 👆 💪 🚶♀️ `examples` ⚙️ `dict` ⏮️ **💗 🖼**, 🔠 ⏮️ ➕ ℹ 👈 🔜 🚮 **🗄** 💁♂️.
+
+🔑 `dict` 🔬 🔠 🖼, & 🔠 💲 ➕1️⃣ `dict`.
+
+🔠 🎯 🖼 `dict` `examples` 💪 🔌:
+
+* `summary`: 📏 📛 🖼.
+* `description`: 📏 📛 👈 💪 🔌 ✍ ✍.
+* `value`: 👉 ☑ 🖼 🎦, ✅ `dict`.
+* `externalValue`: 🎛 `value`, 📛 ☝ 🖼. 👐 👉 5️⃣📆 🚫 🐕🦺 📚 🧰 `value`.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="21-47"
+ {!> ../../../docs_src/schema_extra_example/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="19-45"
+ {!> ../../../docs_src/schema_extra_example/tutorial004_py310.py!}
+ ```
+
+### 🖼 🩺 🎚
+
+⏮️ `examples` 🚮 `Body()` `/docs` 🔜 👀 💖:
+
+<img src="/img/tutorial/body-fields/image02.png">
+
+## 📡 ℹ
+
+!!! warning
+ 👉 📶 📡 ℹ 🔃 🐩 **🎻 🔗** & **🗄**.
+
+ 🚥 💭 🔛 ⏪ 👷 👆, 👈 💪 🥃, & 👆 🎲 🚫 💪 👉 ℹ, 💭 🆓 🚶 👫.
+
+🕐❔ 👆 🚮 🖼 🔘 Pydantic 🏷, ⚙️ `schema_extra` ⚖️ `Field(example="something")` 👈 🖼 🚮 **🎻 🔗** 👈 Pydantic 🏷.
+
+& 👈 **🎻 🔗** Pydantic 🏷 🔌 **🗄** 👆 🛠️, & ⤴️ ⚫️ ⚙️ 🩺 🎚.
+
+**🎻 🔗** 🚫 🤙 ✔️ 🏑 `example` 🐩. ⏮️ ⏬ 🎻 🔗 🔬 🏑 <a href="https://json-schema.org/draft/2019-09/json-schema-validation.html#rfc.section.9.5" class="external-link" target="_blank">`examples`</a>, ✋️ 🗄 3️⃣.0️⃣.3️⃣ ⚓️ 🔛 🗝 ⏬ 🎻 🔗 👈 🚫 ✔️ `examples`.
+
+, 🗄 3️⃣.0️⃣.3️⃣ 🔬 🚮 👍 <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md#fixed-fields-20" class="external-link" target="_blank">`example`</a> 🔀 ⏬ **🎻 🔗** ⚫️ ⚙️, 🎏 🎯 (✋️ ⚫️ 👁 `example`, 🚫 `examples`), & 👈 ⚫️❔ ⚙️ 🛠️ 🩺 🎚 (⚙️ 🦁 🎚).
+
+, 👐 `example` 🚫 🍕 🎻 🔗, ⚫️ 🍕 🗄 🛃 ⏬ 🎻 🔗, & 👈 ⚫️❔ 🔜 ⚙️ 🩺 🎚.
+
+✋️ 🕐❔ 👆 ⚙️ `example` ⚖️ `examples` ⏮️ 🙆 🎏 🚙 (`Query()`, `Body()`, ♒️.) 📚 🖼 🚫 🚮 🎻 🔗 👈 🔬 👈 💽 (🚫 🗄 👍 ⏬ 🎻 🔗), 👫 🚮 🔗 *➡ 🛠️* 📄 🗄 (🏞 🍕 🗄 👈 ⚙️ 🎻 🔗).
+
+`Path()`, `Query()`, `Header()`, & `Cookie()`, `example` ⚖️ `examples` 🚮 <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#parameter-object" class="external-link" target="_blank">🗄 🔑, `Parameter Object` (🔧)</a>.
+
+& `Body()`, `File()`, & `Form()`, `example` ⚖️ `examples` 📊 🚮 <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#mediaTypeObject" class="external-link" target="_blank">🗄 🔑, `Request Body Object`, 🏑 `content`, 🔛 `Media Type Object` (🔧)</a>.
+
+🔛 🎏 ✋, 📤 🆕 ⏬ 🗄: **3️⃣.1️⃣.0️⃣**, ⏳ 🚀. ⚫️ ⚓️ 🔛 ⏪ 🎻 🔗 & 🏆 🛠️ ⚪️➡️ 🗄 🛃 ⏬ 🎻 🔗 ❎, 💱 ⚒ ⚪️➡️ ⏮️ ⏬ 🎻 🔗, 🌐 👫 🤪 🔺 📉. 👐, 🦁 🎚 ⏳ 🚫 🐕🦺 🗄 3️⃣.1️⃣.0️⃣,, 🔜, ⚫️ 👍 😣 ⚙️ 💭 🔛.
--- /dev/null
+# 💂♂ - 🥇 🔁
+
+➡️ 🌈 👈 👆 ✔️ 👆 **👩💻** 🛠️ 🆔.
+
+& 👆 ✔️ **🕸** ➕1️⃣ 🆔 ⚖️ 🎏 ➡ 🎏 🆔 (⚖️ 📱 🈸).
+
+& 👆 💚 ✔️ 🌌 🕸 🔓 ⏮️ 👩💻, ⚙️ **🆔** & **🔐**.
+
+👥 💪 ⚙️ **Oauth2️⃣** 🏗 👈 ⏮️ **FastAPI**.
+
+✋️ ➡️ 🖊 👆 🕰 👂 🌕 📏 🔧 🔎 👈 🐥 🍖 ℹ 👆 💪.
+
+➡️ ⚙️ 🧰 🚚 **FastAPI** 🍵 💂♂.
+
+## ❔ ⚫️ 👀
+
+➡️ 🥇 ⚙️ 📟 & 👀 ❔ ⚫️ 👷, & ⤴️ 👥 🔜 👟 🔙 🤔 ⚫️❔ 😥.
+
+## ✍ `main.py`
+
+📁 🖼 📁 `main.py`:
+
+```Python
+{!../../../docs_src/security/tutorial001.py!}
+```
+
+## 🏃 ⚫️
+
+!!! info
+ 🥇 ❎ <a href="https://andrew-d.github.io/python-multipart/" class="external-link" target="_blank">`python-multipart`</a>.
+
+ 🤶 Ⓜ. `pip install python-multipart`.
+
+ 👉 ↩️ **Oauth2️⃣** ⚙️ "📨 📊" 📨 `username` & `password`.
+
+🏃 🖼 ⏮️:
+
+<div class="termy">
+
+```console
+$ uvicorn main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+## ✅ ⚫️
+
+🚶 🎓 🩺: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 🕳 💖 👉:
+
+<img src="/img/tutorial/security/image01.png">
+
+!!! check "✔ 🔼 ❗"
+ 👆 ⏪ ✔️ ✨ 🆕 "✔" 🔼.
+
+ & 👆 *➡ 🛠️* ✔️ 🐥 🔒 🔝-▶️️ ↩ 👈 👆 💪 🖊.
+
+& 🚥 👆 🖊 ⚫️, 👆 ✔️ 🐥 ✔ 📨 🆎 `username` & `password` (& 🎏 📦 🏑):
+
+<img src="/img/tutorial/security/image02.png">
+
+!!! note
+ ⚫️ 🚫 🤔 ⚫️❔ 👆 🆎 📨, ⚫️ 🏆 🚫 👷. ✋️ 👥 🔜 🤚 📤.
+
+👉 ↗️ 🚫 🕸 🏁 👩💻, ✋️ ⚫️ 👑 🏧 🧰 📄 🖥 🌐 👆 🛠️.
+
+⚫️ 💪 ⚙️ 🕸 🏉 (👈 💪 👆).
+
+⚫️ 💪 ⚙️ 🥉 🥳 🈸 & ⚙️.
+
+& ⚫️ 💪 ⚙️ 👆, ℹ, ✅ & 💯 🎏 🈸.
+
+## `password` 💧
+
+🔜 ➡️ 🚶 🔙 👄 & 🤔 ⚫️❔ 🌐 👈.
+
+`password` "💧" 1️⃣ 🌌 ("💧") 🔬 Oauth2️⃣, 🍵 💂♂ & 🤝.
+
+Oauth2️⃣ 🔧 👈 👩💻 ⚖️ 🛠️ 💪 🔬 💽 👈 🔓 👩💻.
+
+✋️ 👉 💼, 🎏 **FastAPI** 🈸 🔜 🍵 🛠️ & 🤝.
+
+, ➡️ 📄 ⚫️ ⚪️➡️ 👈 📉 ☝ 🎑:
+
+* 👩💻 🆎 `username` & `password` 🕸, & 🎯 `Enter`.
+* 🕸 (🏃♂ 👩💻 🖥) 📨 👈 `username` & `password` 🎯 📛 👆 🛠️ (📣 ⏮️ `tokenUrl="token"`).
+* 🛠️ ✅ 👈 `username` & `password`, & 📨 ⏮️ "🤝" (👥 🚫 🛠️ 🙆 👉).
+ * "🤝" 🎻 ⏮️ 🎚 👈 👥 💪 ⚙️ ⏪ ✔ 👉 👩💻.
+ * 🛎, 🤝 ⚒ 🕛 ⏮️ 🕰.
+ * , 👩💻 🔜 ✔️ 🕹 🔄 ☝ ⏪.
+ * & 🚥 🤝 📎, ⚠ 🌘. ⚫️ 🚫 💖 🧲 🔑 👈 🔜 👷 ♾ (🏆 💼).
+* 🕸 🏪 👈 🤝 🍕 👱.
+* 👩💻 🖊 🕸 🚶 ➕1️⃣ 📄 🕸 🕸 📱.
+* 🕸 💪 ☕ 🌅 💽 ⚪️➡️ 🛠️.
+ * ✋️ ⚫️ 💪 🤝 👈 🎯 🔗.
+ * , 🔓 ⏮️ 👆 🛠️, ⚫️ 📨 🎚 `Authorization` ⏮️ 💲 `Bearer ` ➕ 🤝.
+ * 🚥 🤝 🔌 `foobar`, 🎚 `Authorization` 🎚 🔜: `Bearer foobar`.
+
+## **FastAPI**'Ⓜ `OAuth2PasswordBearer`
+
+**FastAPI** 🚚 📚 🧰, 🎏 🎚 ⚛, 🛠️ 👫 💂♂ ⚒.
+
+👉 🖼 👥 🔜 ⚙️ **Oauth2️⃣**, ⏮️ **🔐** 💧, ⚙️ **📨** 🤝. 👥 👈 ⚙️ `OAuth2PasswordBearer` 🎓.
+
+!!! info
+ "📨" 🤝 🚫 🕴 🎛.
+
+ ✋️ ⚫️ 🏆 1️⃣ 👆 ⚙️ 💼.
+
+ & ⚫️ 💪 🏆 🏆 ⚙️ 💼, 🚥 👆 Oauth2️⃣ 🕴 & 💭 ⚫️❔ ⚫️❔ 📤 ➕1️⃣ 🎛 👈 ♣ 👻 👆 💪.
+
+ 👈 💼, **FastAPI** 🚚 👆 ⏮️ 🧰 🏗 ⚫️.
+
+🕐❔ 👥 ✍ 👐 `OAuth2PasswordBearer` 🎓 👥 🚶♀️ `tokenUrl` 🔢. 👉 🔢 🔌 📛 👈 👩💻 (🕸 🏃 👩💻 🖥) 🔜 ⚙️ 📨 `username` & `password` ✔ 🤚 🤝.
+
+```Python hl_lines="6"
+{!../../../docs_src/security/tutorial001.py!}
+```
+
+!!! tip
+ 📥 `tokenUrl="token"` 🔗 ⚖ 📛 `token` 👈 👥 🚫 ✍. ⚫️ ⚖ 📛, ⚫️ 🌓 `./token`.
+
+ ↩️ 👥 ⚙️ ⚖ 📛, 🚥 👆 🛠️ 🔎 `https://example.com/`, ⤴️ ⚫️ 🔜 🔗 `https://example.com/token`. ✋️ 🚥 👆 🛠️ 🔎 `https://example.com/api/v1/`, ⤴️ ⚫️ 🔜 🔗 `https://example.com/api/v1/token`.
+
+ ⚙️ ⚖ 📛 ⚠ ⚒ 💭 👆 🈸 🚧 👷 🏧 ⚙️ 💼 💖 [⛅ 🗳](../../advanced/behind-a-proxy.md){.internal-link target=_blank}.
+
+👉 🔢 🚫 ✍ 👈 🔗 / *➡ 🛠️*, ✋️ 📣 👈 📛 `/token` 🔜 1️⃣ 👈 👩💻 🔜 ⚙️ 🤚 🤝. 👈 ℹ ⚙️ 🗄, & ⤴️ 🎓 🛠️ 🧾 ⚙️.
+
+👥 🔜 🔜 ✍ ☑ ➡ 🛠️.
+
+!!! info
+ 🚥 👆 📶 ⚠ "✍" 👆 💪 👎 👗 🔢 📛 `tokenUrl` ↩️ `token_url`.
+
+ 👈 ↩️ ⚫️ ⚙️ 🎏 📛 🗄 🔌. 👈 🚥 👆 💪 🔬 🌅 🔃 🙆 👫 💂♂ ⚖ 👆 💪 📁 & 📋 ⚫️ 🔎 🌖 ℹ 🔃 ⚫️.
+
+`oauth2_scheme` 🔢 👐 `OAuth2PasswordBearer`, ✋️ ⚫️ "🇧🇲".
+
+⚫️ 💪 🤙:
+
+```Python
+oauth2_scheme(some, parameters)
+```
+
+, ⚫️ 💪 ⚙️ ⏮️ `Depends`.
+
+### ⚙️ ⚫️
+
+🔜 👆 💪 🚶♀️ 👈 `oauth2_scheme` 🔗 ⏮️ `Depends`.
+
+```Python hl_lines="10"
+{!../../../docs_src/security/tutorial001.py!}
+```
+
+👉 🔗 🔜 🚚 `str` 👈 🛠️ 🔢 `token` *➡ 🛠️ 🔢*.
+
+**FastAPI** 🔜 💭 👈 ⚫️ 💪 ⚙️ 👉 🔗 🔬 "💂♂ ⚖" 🗄 🔗 (& 🏧 🛠️ 🩺).
+
+!!! info "📡 ℹ"
+ **FastAPI** 🔜 💭 👈 ⚫️ 💪 ⚙️ 🎓 `OAuth2PasswordBearer` (📣 🔗) 🔬 💂♂ ⚖ 🗄 ↩️ ⚫️ 😖 ⚪️➡️ `fastapi.security.oauth2.OAuth2`, ❔ 🔄 😖 ⚪️➡️ `fastapi.security.base.SecurityBase`.
+
+ 🌐 💂♂ 🚙 👈 🛠️ ⏮️ 🗄 (& 🏧 🛠️ 🩺) 😖 ⚪️➡️ `SecurityBase`, 👈 ❔ **FastAPI** 💪 💭 ❔ 🛠️ 👫 🗄.
+
+## ⚫️❔ ⚫️ 🔨
+
+⚫️ 🔜 🚶 & 👀 📨 👈 `Authorization` 🎚, ✅ 🚥 💲 `Bearer ` ➕ 🤝, & 🔜 📨 🤝 `str`.
+
+🚥 ⚫️ 🚫 👀 `Authorization` 🎚, ⚖️ 💲 🚫 ✔️ `Bearer ` 🤝, ⚫️ 🔜 📨 ⏮️ 4️⃣0️⃣1️⃣ 👔 📟 ❌ (`UNAUTHORIZED`) 🔗.
+
+👆 🚫 ✔️ ✅ 🚥 🤝 🔀 📨 ❌. 👆 💪 💭 👈 🚥 👆 🔢 🛠️, ⚫️ 🔜 ✔️ `str` 👈 🤝.
+
+👆 💪 🔄 ⚫️ ⏪ 🎓 🩺:
+
+<img src="/img/tutorial/security/image03.png">
+
+👥 🚫 ✔ 🔬 🤝, ✋️ 👈 ▶️ ⏪.
+
+## 🌃
+
+, 3️⃣ ⚖️ 4️⃣ ➕ ⏸, 👆 ⏪ ✔️ 🐒 📨 💂♂.
--- /dev/null
+# 🤚 ⏮️ 👩💻
+
+⏮️ 📃 💂♂ ⚙️ (❔ 🧢 🔛 🔗 💉 ⚙️) 🤝 *➡ 🛠️ 🔢* `token` `str`:
+
+```Python hl_lines="10"
+{!../../../docs_src/security/tutorial001.py!}
+```
+
+✋️ 👈 🚫 👈 ⚠.
+
+➡️ ⚒ ⚫️ 🤝 👥 ⏮️ 👩💻.
+
+## ✍ 👩💻 🏷
+
+🥇, ➡️ ✍ Pydantic 👩💻 🏷.
+
+🎏 🌌 👥 ⚙️ Pydantic 📣 💪, 👥 💪 ⚙️ ⚫️ 🙆 🙆:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="5 12-16"
+ {!> ../../../docs_src/security/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="3 10-14"
+ {!> ../../../docs_src/security/tutorial002_py310.py!}
+ ```
+
+## ✍ `get_current_user` 🔗
+
+➡️ ✍ 🔗 `get_current_user`.
+
+💭 👈 🔗 💪 ✔️ 🎧-🔗 ❓
+
+`get_current_user` 🔜 ✔️ 🔗 ⏮️ 🎏 `oauth2_scheme` 👥 ✍ ⏭.
+
+🎏 👥 🔨 ⏭ *➡ 🛠️* 🔗, 👆 🆕 🔗 `get_current_user` 🔜 📨 `token` `str` ⚪️➡️ 🎧-🔗 `oauth2_scheme`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="25"
+ {!> ../../../docs_src/security/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="23"
+ {!> ../../../docs_src/security/tutorial002_py310.py!}
+ ```
+
+## 🤚 👩💻
+
+`get_current_user` 🔜 ⚙️ (❌) 🚙 🔢 👥 ✍, 👈 ✊ 🤝 `str` & 📨 👆 Pydantic `User` 🏷:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="19-22 26-27"
+ {!> ../../../docs_src/security/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="17-20 24-25"
+ {!> ../../../docs_src/security/tutorial002_py310.py!}
+ ```
+
+## 💉 ⏮️ 👩💻
+
+🔜 👥 💪 ⚙️ 🎏 `Depends` ⏮️ 👆 `get_current_user` *➡ 🛠️*:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="31"
+ {!> ../../../docs_src/security/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="29"
+ {!> ../../../docs_src/security/tutorial002_py310.py!}
+ ```
+
+👀 👈 👥 📣 🆎 `current_user` Pydantic 🏷 `User`.
+
+👉 🔜 ℹ 🇺🇲 🔘 🔢 ⏮️ 🌐 🛠️ & 🆎 ✅.
+
+!!! tip
+ 👆 5️⃣📆 💭 👈 📨 💪 📣 ⏮️ Pydantic 🏷.
+
+ 📥 **FastAPI** 🏆 🚫 🤚 😨 ↩️ 👆 ⚙️ `Depends`.
+
+!!! check
+ 🌌 👉 🔗 ⚙️ 🏗 ✔ 👥 ✔️ 🎏 🔗 (🎏 "☑") 👈 🌐 📨 `User` 🏷.
+
+ 👥 🚫 🚫 ✔️ 🕴 1️⃣ 🔗 👈 💪 📨 👈 🆎 💽.
+
+## 🎏 🏷
+
+👆 💪 🔜 🤚 ⏮️ 👩💻 🔗 *➡ 🛠️ 🔢* & 🙅 ⏮️ 💂♂ 🛠️ **🔗 💉** 🎚, ⚙️ `Depends`.
+
+& 👆 💪 ⚙️ 🙆 🏷 ⚖️ 💽 💂♂ 📄 (👉 💼, Pydantic 🏷 `User`).
+
+✋️ 👆 🚫 🚫 ⚙️ 🎯 💽 🏷, 🎓 ⚖️ 🆎.
+
+👆 💚 ✔️ `id` & `email` & 🚫 ✔️ 🙆 `username` 👆 🏷 ❓ 💭. 👆 💪 ⚙️ 👉 🎏 🧰.
+
+👆 💚 ✔️ `str`❓ ⚖️ `dict`❓ ⚖️ 💽 🎓 🏷 👐 🔗 ❓ ⚫️ 🌐 👷 🎏 🌌.
+
+👆 🤙 🚫 ✔️ 👩💻 👈 🕹 👆 🈸 ✋️ 🤖, 🤖, ⚖️ 🎏 ⚙️, 👈 ✔️ 🔐 🤝 ❓ 🔄, ⚫️ 🌐 👷 🎏.
+
+⚙️ 🙆 😇 🏷, 🙆 😇 🎓, 🙆 😇 💽 👈 👆 💪 👆 🈸. **FastAPI** ✔️ 👆 📔 ⏮️ 🔗 💉 ⚙️.
+
+## 📟 📐
+
+👉 🖼 5️⃣📆 😑 🔁. ✔️ 🤯 👈 👥 🌀 💂♂, 📊 🏷, 🚙 🔢 & *➡ 🛠️* 🎏 📁.
+
+✋️ 📥 🔑 ☝.
+
+💂♂ & 🔗 💉 💩 ✍ 🕐.
+
+& 👆 💪 ⚒ ⚫️ 🏗 👆 💚. & , ✔️ ⚫️ ✍ 🕴 🕐, 👁 🥉. ⏮️ 🌐 💪.
+
+✋️ 👆 💪 ✔️ 💯 🔗 (*➡ 🛠️*) ⚙️ 🎏 💂♂ ⚙️.
+
+& 🌐 👫 (⚖️ 🙆 ↔ 👫 👈 👆 💚) 💪 ✊ 📈 🏤-⚙️ 👫 🔗 ⚖️ 🙆 🎏 🔗 👆 ✍.
+
+& 🌐 👉 💯 *➡ 🛠️* 💪 🤪 3️⃣ ⏸:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="30-32"
+ {!> ../../../docs_src/security/tutorial002.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="28-30"
+ {!> ../../../docs_src/security/tutorial002_py310.py!}
+ ```
+
+## 🌃
+
+👆 💪 🔜 🤚 ⏮️ 👩💻 🔗 👆 *➡ 🛠️ 🔢*.
+
+👥 ⏪ 😬 📤.
+
+👥 💪 🚮 *➡ 🛠️* 👩💻/👩💻 🤙 📨 `username` & `password`.
+
+👈 👟 ⏭.
--- /dev/null
+# 💂♂ 🎶
+
+📤 📚 🌌 🍵 💂♂, 🤝 & ✔.
+
+& ⚫️ 🛎 🏗 & "⚠" ❔.
+
+📚 🛠️ & ⚙️ 🍵 💂♂ & 🤝 ✊ 🦏 💸 🎯 & 📟 (📚 💼 ⚫️ 💪 5️⃣0️⃣ 💯 ⚖️ 🌅 🌐 📟 ✍).
+
+**FastAPI** 🚚 📚 🧰 ℹ 👆 🙅 ⏮️ **💂♂** 💪, 📉, 🐩 🌌, 🍵 ✔️ 🔬 & 💡 🌐 💂♂ 🔧.
+
+✋️ 🥇, ➡️ ✅ 🤪 🔧.
+
+## 🏃 ❓
+
+🚥 👆 🚫 💅 🔃 🙆 👉 ⚖ & 👆 💪 🚮 💂♂ ⏮️ 🤝 ⚓️ 🔛 🆔 & 🔐 *▶️️ 🔜*, 🚶 ⏭ 📃.
+
+## Oauth2️⃣
+
+Oauth2️⃣ 🔧 👈 🔬 📚 🌌 🍵 🤝 & ✔.
+
+⚫️ 🔬 🔧 & 📔 📚 🏗 ⚙️ 💼.
+
+⚫️ 🔌 🌌 🔓 ⚙️ "🥉 🥳".
+
+👈 ⚫️❔ 🌐 ⚙️ ⏮️ "💳 ⏮️ 👱📔, 🇺🇸🔍, 👱📔, 📂" ⚙️ 🔘.
+
+### ✳ 1️⃣
+
+📤 ✳ 1️⃣, ❔ 📶 🎏 ⚪️➡️ Oauth2️⃣, & 🌖 🏗, ⚫️ 🔌 🔗 🔧 🔛 ❔ 🗜 📻.
+
+⚫️ 🚫 📶 🌟 ⚖️ ⚙️ 🛎.
+
+Oauth2️⃣ 🚫 ✔ ❔ 🗜 📻, ⚫️ ⌛ 👆 ✔️ 👆 🈸 🍦 ⏮️ 🇺🇸🔍.
+
+!!! tip
+ 📄 🔃 **🛠️** 👆 🔜 👀 ❔ ⚒ 🆙 🇺🇸🔍 🆓, ⚙️ Traefik & ➡️ 🗜.
+
+
+## 👩💻 🔗
+
+👩💻 🔗 ➕1️⃣ 🔧, 🧢 🔛 **Oauth2️⃣**.
+
+⚫️ ↔ Oauth2️⃣ ✔ 👜 👈 📶 🌌 Oauth2️⃣, 🔄 ⚒ ⚫️ 🌅 🛠️.
+
+🖼, 🇺🇸🔍 💳 ⚙️ 👩💻 🔗 (❔ 🔘 ⚙️ Oauth2️⃣).
+
+✋️ 👱📔 💳 🚫 🐕🦺 👩💻 🔗. ⚫️ ✔️ 🚮 👍 🍛 Oauth2️⃣.
+
+### 👩💻 (🚫 "👩💻 🔗")
+
+📤 "👩💻" 🔧. 👈 🔄 ❎ 🎏 👜 **👩💻 🔗**, ✋️ 🚫 ⚓️ 🔛 Oauth2️⃣.
+
+, ⚫️ 🏁 🌖 ⚙️.
+
+⚫️ 🚫 📶 🌟 ⚖️ ⚙️ 🛎.
+
+## 🗄
+
+🗄 (⏪ 💭 🦁) 📂 🔧 🏗 🔗 (🔜 🍕 💾 🏛).
+
+**FastAPI** ⚓️ 🔛 **🗄**.
+
+👈 ⚫️❔ ⚒ ⚫️ 💪 ✔️ 💗 🏧 🎓 🧾 🔢, 📟 ⚡, ♒️.
+
+🗄 ✔️ 🌌 🔬 💗 💂♂ "⚖".
+
+⚙️ 👫, 👆 💪 ✊ 📈 🌐 👫 🐩-⚓️ 🧰, 🔌 👉 🎓 🧾 ⚙️.
+
+🗄 🔬 📄 💂♂ ⚖:
+
+* `apiKey`: 🈸 🎯 🔑 👈 💪 👟 ⚪️➡️:
+ * 🔢 🔢.
+ * 🎚.
+ * 🍪.
+* `http`: 🐩 🇺🇸🔍 🤝 ⚙️, 🔌:
+ * `bearer`: 🎚 `Authorization` ⏮️ 💲 `Bearer ` ➕ 🤝. 👉 😖 ⚪️➡️ Oauth2️⃣.
+ * 🇺🇸🔍 🔰 🤝.
+ * 🇺🇸🔍 📰, ♒️.
+* `oauth2`: 🌐 Oauth2️⃣ 🌌 🍵 💂♂ (🤙 "💧").
+ * 📚 👫 💧 ☑ 🏗 ✳ 2️⃣.0️⃣ 🤝 🐕🦺 (💖 🇺🇸🔍, 👱📔, 👱📔, 📂, ♒️):
+ * `implicit`
+ * `clientCredentials`
+ * `authorizationCode`
+ * ✋️ 📤 1️⃣ 🎯 "💧" 👈 💪 👌 ⚙️ 🚚 🤝 🎏 🈸 🔗:
+ * `password`: ⏭ 📃 🔜 📔 🖼 👉.
+* `openIdConnect`: ✔️ 🌌 🔬 ❔ 🔎 Oauth2️⃣ 🤝 📊 🔁.
+ * 👉 🏧 🔍 ⚫️❔ 🔬 👩💻 🔗 🔧.
+
+
+!!! tip
+ 🛠️ 🎏 🤝/✔ 🐕🦺 💖 🇺🇸🔍, 👱📔, 👱📔, 📂, ♒️. 💪 & 📶 ⏩.
+
+ 🌅 🏗 ⚠ 🏗 🤝/✔ 🐕🦺 💖 👈, ✋️ **FastAPI** 🤝 👆 🧰 ⚫️ 💪, ⏪ 🔨 🏋️ 🏋♂ 👆.
+
+## **FastAPI** 🚙
+
+FastAPI 🚚 📚 🧰 🔠 👉 💂♂ ⚖ `fastapi.security` 🕹 👈 📉 ⚙️ 👉 💂♂ 🛠️.
+
+⏭ 📃 👆 🔜 👀 ❔ 🚮 💂♂ 👆 🛠️ ⚙️ 📚 🧰 🚚 **FastAPI**.
+
+& 👆 🔜 👀 ❔ ⚫️ 🤚 🔁 🛠️ 🔘 🎓 🧾 ⚙️.
--- /dev/null
+# Oauth2️⃣ ⏮️ 🔐 (& 🔁), 📨 ⏮️ 🥙 🤝
+
+🔜 👈 👥 ✔️ 🌐 💂♂ 💧, ➡️ ⚒ 🈸 🤙 🔐, ⚙️ <abbr title="JSON Web Tokens">🥙</abbr> 🤝 & 🔐 🔐 🔁.
+
+👉 📟 🕳 👆 💪 🤙 ⚙️ 👆 🈸, 🖊 🔐 #️⃣ 👆 💽, ♒️.
+
+👥 🔜 ▶️ ⚪️➡️ 🌐❔ 👥 ◀️ ⏮️ 📃 & 📈 ⚫️.
+
+## 🔃 🥙
+
+🥙 ⛓ "🎻 🕸 🤝".
+
+⚫️ 🐩 🚫 🎻 🎚 📏 💧 🎻 🍵 🚀. ⚫️ 👀 💖 👉:
+
+```
+eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
+```
+
+⚫️ 🚫 🗜,, 🙆 💪 🛡 ℹ ⚪️➡️ 🎚.
+
+✋️ ⚫️ 🛑. , 🕐❔ 👆 📨 🤝 👈 👆 ♨, 👆 💪 ✔ 👈 👆 🤙 ♨ ⚫️.
+
+👈 🌌, 👆 💪 ✍ 🤝 ⏮️ 👔, ➡️ 💬, 1️⃣ 🗓️. & ⤴️ 🕐❔ 👩💻 👟 🔙 ⏭ 📆 ⏮️ 🤝, 👆 💭 👈 👩💻 🕹 👆 ⚙️.
+
+⏮️ 🗓️, 🤝 🔜 🕛 & 👩💻 🔜 🚫 ✔ & 🔜 ✔️ 🛑 🔄 🤚 🆕 🤝. & 🚥 👩💻 (⚖️ 🥉 🥳) 🔄 🔀 🤝 🔀 👔, 👆 🔜 💪 🔎 ⚫️, ↩️ 💳 🔜 🚫 🏏.
+
+🚥 👆 💚 🤾 ⏮️ 🥙 🤝 & 👀 ❔ 👫 👷, ✅ <a href="https://jwt.io/" class="external-link" target="_blank">https://jwt.io</a>.
+
+## ❎ `python-jose`
+
+👥 💪 ❎ `python-jose` 🏗 & ✔ 🥙 🤝 🐍:
+
+<div class="termy">
+
+```console
+$ pip install "python-jose[cryptography]"
+
+---> 100%
+```
+
+</div>
+
+<a href="https://github.com/mpdavis/python-jose" class="external-link" target="_blank">🐍-🇩🇬</a> 🚚 🔐 👩💻 ➕.
+
+📥 👥 ⚙️ 👍 1️⃣: <a href="https://cryptography.io/" class="external-link" target="_blank">)/⚛</a>.
+
+!!! tip
+ 👉 🔰 ⏪ ⚙️ <a href="https://pyjwt.readthedocs.io/" class="external-link" target="_blank">PyJWT</a>.
+
+ ✋️ ⚫️ ℹ ⚙️ 🐍-🇩🇬 ↩️ ⚫️ 🚚 🌐 ⚒ ⚪️➡️ PyJWT ➕ ➕ 👈 👆 💪 💪 ⏪ 🕐❔ 🏗 🛠️ ⏮️ 🎏 🧰.
+
+## 🔐 🔁
+
+"🔁" ⛓ 🏭 🎚 (🔐 👉 💼) 🔘 🔁 🔢 (🎻) 👈 👀 💖 🙃.
+
+🕐❔ 👆 🚶♀️ ⚫️❔ 🎏 🎚 (⚫️❔ 🎏 🔐) 👆 🤚 ⚫️❔ 🎏 🙃.
+
+✋️ 👆 🚫🔜 🗜 ⚪️➡️ 🙃 🔙 🔐.
+
+### ⚫️❔ ⚙️ 🔐 🔁
+
+🚥 👆 💽 📎, 🧙♀ 🏆 🚫 ✔️ 👆 👩💻' 🔢 🔐, 🕴#️⃣.
+
+, 🧙♀ 🏆 🚫 💪 🔄 ⚙️ 👈 🔐 ➕1️⃣ ⚙️ (📚 👩💻 ⚙️ 🎏 🔐 🌐, 👉 🔜 ⚠).
+
+## ❎ `passlib`
+
+🇸🇲 👑 🐍 📦 🍵 🔐#️⃣.
+
+⚫️ 🐕🦺 📚 🔐 🔁 📊 & 🚙 👷 ⏮️ 👫.
+
+👍 📊 "🐡".
+
+, ❎ 🇸🇲 ⏮️ 🐡:
+
+<div class="termy">
+
+```console
+$ pip install "passlib[bcrypt]"
+
+---> 100%
+```
+
+</div>
+
+!!! tip
+ ⏮️ `passlib`, 👆 💪 🔗 ⚫️ 💪 ✍ 🔐 ✍ **✳**, **🏺** 💂♂ 🔌-⚖️ 📚 🎏.
+
+ , 👆 🔜 💪, 🖼, 💰 🎏 📊 ⚪️➡️ ✳ 🈸 💽 ⏮️ FastAPI 🈸. ⚖️ 📉 ↔ ✳ 🈸 ⚙️ 🎏 💽.
+
+ & 👆 👩💻 🔜 💪 💳 ⚪️➡️ 👆 ✳ 📱 ⚖️ ⚪️➡️ 👆 **FastAPI** 📱, 🎏 🕰.
+
+## #️⃣ & ✔ 🔐
+
+🗄 🧰 👥 💪 ⚪️➡️ `passlib`.
+
+✍ 🇸🇲 "🔑". 👉 ⚫️❔ 🔜 ⚙️ #️⃣ & ✔ 🔐.
+
+!!! tip
+ 🇸🇲 🔑 ✔️ 🛠️ ⚙️ 🎏 🔁 📊, 🔌 😢 🗝 🕐 🕴 ✔ ✔ 👫, ♒️.
+
+ 🖼, 👆 💪 ⚙️ ⚫️ ✍ & ✔ 🔐 🏗 ➕1️⃣ ⚙️ (💖 ✳) ✋️ #️⃣ 🙆 🆕 🔐 ⏮️ 🎏 📊 💖 🐡.
+
+ & 🔗 ⏮️ 🌐 👫 🎏 🕰.
+
+✍ 🚙 🔢 #️⃣ 🔐 👟 ⚪️➡️ 👩💻.
+
+& ➕1️⃣ 🚙 ✔ 🚥 📨 🔐 🏏 #️⃣ 🏪.
+
+& ➕1️⃣ 1️⃣ 🔓 & 📨 👩💻.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="7 48 55-56 59-60 69-75"
+ {!> ../../../docs_src/security/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="6 47 54-55 58-59 68-74"
+ {!> ../../../docs_src/security/tutorial004_py310.py!}
+ ```
+
+!!! note
+ 🚥 👆 ✅ 🆕 (❌) 💽 `fake_users_db`, 👆 🔜 👀 ❔ #️⃣ 🔐 👀 💖 🔜: `"$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW"`.
+
+## 🍵 🥙 🤝
+
+🗄 🕹 ❎.
+
+✍ 🎲 ㊙ 🔑 👈 🔜 ⚙️ 🛑 🥙 🤝.
+
+🏗 🔐 🎲 ㊙ 🔑 ⚙️ 📋:
+
+<div class="termy">
+
+```console
+$ openssl rand -hex 32
+
+09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7
+```
+
+</div>
+
+& 📁 🔢 🔢 `SECRET_KEY` (🚫 ⚙️ 1️⃣ 🖼).
+
+✍ 🔢 `ALGORITHM` ⏮️ 📊 ⚙️ 🛑 🥙 🤝 & ⚒ ⚫️ `"HS256"`.
+
+✍ 🔢 👔 🤝.
+
+🔬 Pydantic 🏷 👈 🔜 ⚙️ 🤝 🔗 📨.
+
+✍ 🚙 🔢 🏗 🆕 🔐 🤝.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="6 12-14 28-30 78-86"
+ {!> ../../../docs_src/security/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="5 11-13 27-29 77-85"
+ {!> ../../../docs_src/security/tutorial004_py310.py!}
+ ```
+
+## ℹ 🔗
+
+ℹ `get_current_user` 📨 🎏 🤝 ⏭, ✋️ 👉 🕰, ⚙️ 🥙 🤝.
+
+🔣 📨 🤝, ✔ ⚫️, & 📨 ⏮️ 👩💻.
+
+🚥 🤝 ❌, 📨 🇺🇸🔍 ❌ ▶️️ ↖️.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="89-106"
+ {!> ../../../docs_src/security/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="88-105"
+ {!> ../../../docs_src/security/tutorial004_py310.py!}
+ ```
+
+## ℹ `/token` *➡ 🛠️*
+
+✍ `timedelta` ⏮️ 👔 🕰 🤝.
+
+✍ 🎰 🥙 🔐 🤝 & 📨 ⚫️.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="115-128"
+ {!> ../../../docs_src/security/tutorial004.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="114-127"
+ {!> ../../../docs_src/security/tutorial004_py310.py!}
+ ```
+
+### 📡 ℹ 🔃 🥙 "📄" `sub`
+
+🥙 🔧 💬 👈 📤 🔑 `sub`, ⏮️ 📄 🤝.
+
+⚫️ 📦 ⚙️ ⚫️, ✋️ 👈 🌐❔ 👆 🔜 🚮 👩💻 🆔, 👥 ⚙️ ⚫️ 📥.
+
+🥙 5️⃣📆 ⚙️ 🎏 👜 ↖️ ⚪️➡️ ⚖ 👩💻 & 🤝 👫 🎭 🛠️ 🔗 🔛 👆 🛠️.
+
+🖼, 👆 💪 🔬 "🚘" ⚖️ "📰 🏤".
+
+⤴️ 👆 💪 🚮 ✔ 🔃 👈 👨💼, 💖 "💾" (🚘) ⚖️ "✍" (📰).
+
+& ⤴️, 👆 💪 🤝 👈 🥙 🤝 👩💻 (⚖️ 🤖), & 👫 💪 ⚙️ ⚫️ 🎭 👈 🎯 (💾 🚘, ⚖️ ✍ 📰 🏤) 🍵 💆♂ ✔️ 🏧, ⏮️ 🥙 🤝 👆 🛠️ 🏗 👈.
+
+⚙️ 👫 💭, 🥙 💪 ⚙️ 🌌 🌖 🤓 😐.
+
+📚 💼, 📚 👈 👨💼 💪 ✔️ 🎏 🆔, ➡️ 💬 `foo` (👩💻 `foo`, 🚘 `foo`, & 📰 🏤 `foo`).
+
+, ❎ 🆔 💥, 🕐❔ 🏗 🥙 🤝 👩💻, 👆 💪 🔡 💲 `sub` 🔑, ✅ ⏮️ `username:`. , 👉 🖼, 💲 `sub` 💪 ✔️: `username:johndoe`.
+
+⚠ 👜 ✔️ 🤯 👈 `sub` 🔑 🔜 ✔️ 😍 🆔 🤭 🎂 🈸, & ⚫️ 🔜 🎻.
+
+## ✅ ⚫️
+
+🏃 💽 & 🚶 🩺: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+👆 🔜 👀 👩💻 🔢 💖:
+
+<img src="/img/tutorial/security/image07.png">
+
+✔ 🈸 🎏 🌌 ⏭.
+
+⚙️ 🎓:
+
+🆔: `johndoe`
+🔐: `secret`
+
+!!! check
+ 👀 👈 🕳 📟 🔢 🔐 "`secret`", 👥 🕴 ✔️ #️⃣ ⏬.
+
+<img src="/img/tutorial/security/image08.png">
+
+🤙 🔗 `/users/me/`, 👆 🔜 🤚 📨:
+
+```JSON
+{
+ "username": "johndoe",
+ "email": "johndoe@example.com",
+ "full_name": "John Doe",
+ "disabled": false
+}
+```
+
+<img src="/img/tutorial/security/image09.png">
+
+🚥 👆 📂 👩💻 🧰, 👆 💪 👀 ❔ 📊 📨 🕴 🔌 🤝, 🔐 🕴 📨 🥇 📨 🔓 👩💻 & 🤚 👈 🔐 🤝, ✋️ 🚫 ⏮️:
+
+<img src="/img/tutorial/security/image10.png">
+
+!!! note
+ 👀 🎚 `Authorization`, ⏮️ 💲 👈 ▶️ ⏮️ `Bearer `.
+
+## 🏧 ⚙️ ⏮️ `scopes`
+
+Oauth2️⃣ ✔️ 🔑 "↔".
+
+👆 💪 ⚙️ 👫 🚮 🎯 ⚒ ✔ 🥙 🤝.
+
+⤴️ 👆 💪 🤝 👉 🤝 👩💻 🔗 ⚖️ 🥉 🥳, 🔗 ⏮️ 👆 🛠️ ⏮️ ⚒ 🚫.
+
+👆 💪 💡 ❔ ⚙️ 👫 & ❔ 👫 🛠️ 🔘 **FastAPI** ⏪ **🏧 👩💻 🦮**.
+
+## 🌃
+
+⏮️ ⚫️❔ 👆 ✔️ 👀 🆙 🔜, 👆 💪 ⚒ 🆙 🔐 **FastAPI** 🈸 ⚙️ 🐩 💖 Oauth2️⃣ & 🥙.
+
+🌖 🙆 🛠️ 🚚 💂♂ ▶️️ 👍 🏗 📄 🔜.
+
+📚 📦 👈 📉 ⚫️ 📚 ✔️ ⚒ 📚 ⚠ ⏮️ 💽 🏷, 💽, & 💪 ⚒. & 👉 📦 👈 📉 👜 💁♂️ 🌅 🤙 ✔️ 💂♂ ⚠ 🔘.
+
+---
+
+**FastAPI** 🚫 ⚒ 🙆 ⚠ ⏮️ 🙆 💽, 💽 🏷 ⚖️ 🧰.
+
+⚫️ 🤝 👆 🌐 💪 ⚒ 🕐 👈 👖 👆 🏗 🏆.
+
+& 👆 💪 ⚙️ 🔗 📚 👍 🚧 & 🛎 ⚙️ 📦 💖 `passlib` & `python-jose`, ↩️ **FastAPI** 🚫 🚚 🙆 🏗 🛠️ 🛠️ 🔢 📦.
+
+✋️ ⚫️ 🚚 👆 🧰 📉 🛠️ 🌅 💪 🍵 🎯 💪, ⚖, ⚖️ 💂♂.
+
+& 👆 💪 ⚙️ & 🛠️ 🔐, 🐩 🛠️, 💖 Oauth2️⃣ 📶 🙅 🌌.
+
+👆 💪 💡 🌅 **🏧 👩💻 🦮** 🔃 ❔ ⚙️ Oauth2️⃣ "↔", 🌖 👌-🧽 ✔ ⚙️, 📄 👫 🎏 🐩. Oauth2️⃣ ⏮️ ↔ 🛠️ ⚙️ 📚 🦏 🤝 🐕🦺, 💖 👱📔, 🇺🇸🔍, 📂, 🤸♂, 👱📔, ♒️. ✔ 🥉 🥳 🈸 🔗 ⏮️ 👫 🔗 🔛 👨💼 👫 👩💻.
--- /dev/null
+# 🙅 Oauth2️⃣ ⏮️ 🔐 & 📨
+
+🔜 ➡️ 🏗 ⚪️➡️ ⏮️ 📃 & 🚮 ❌ 🍕 ✔️ 🏁 💂♂ 💧.
+
+## 🤚 `username` & `password`
+
+👥 🔜 ⚙️ **FastAPI** 💂♂ 🚙 🤚 `username` & `password`.
+
+Oauth2️⃣ ✔ 👈 🕐❔ ⚙️ "🔐 💧" (👈 👥 ⚙️) 👩💻/👩💻 🔜 📨 `username` & `password` 🏑 📨 💽.
+
+& 🔌 💬 👈 🏑 ✔️ 🌟 💖 👈. `user-name` ⚖️ `email` 🚫🔜 👷.
+
+✋️ 🚫 😟, 👆 💪 🎦 ⚫️ 👆 🎋 👆 🏁 👩💻 🕸.
+
+& 👆 💽 🏷 💪 ⚙️ 🙆 🎏 📛 👆 💚.
+
+✋️ 💳 *➡ 🛠️*, 👥 💪 ⚙️ 👉 📛 🔗 ⏮️ 🔌 (& 💪, 🖼, ⚙️ 🛠️ 🛠️ 🧾 ⚙️).
+
+🔌 🇵🇸 👈 `username` & `password` 🔜 📨 📨 💽 (, 🙅♂ 🎻 📥).
+
+### `scope`
+
+🔌 💬 👈 👩💻 💪 📨 ➕1️⃣ 📨 🏑 "`scope`".
+
+📨 🏑 📛 `scope` (⭐), ✋️ ⚫️ 🤙 📏 🎻 ⏮️ "↔" 🎏 🚀.
+
+🔠 "↔" 🎻 (🍵 🚀).
+
+👫 🛎 ⚙️ 📣 🎯 💂♂ ✔, 🖼:
+
+* `users:read` ⚖️ `users:write` ⚠ 🖼.
+* `instagram_basic` ⚙️ 👱📔 / 👱📔.
+* `https://www.googleapis.com/auth/drive` ⚙️ 🇺🇸🔍.
+
+!!! info
+ Oauth2️⃣ "↔" 🎻 👈 📣 🎯 ✔ ✔.
+
+ ⚫️ 🚫 🤔 🚥 ⚫️ ✔️ 🎏 🦹 💖 `:` ⚖️ 🚥 ⚫️ 📛.
+
+ 👈 ℹ 🛠️ 🎯.
+
+ Oauth2️⃣ 👫 🎻.
+
+## 📟 🤚 `username` & `password`
+
+🔜 ➡️ ⚙️ 🚙 🚚 **FastAPI** 🍵 👉.
+
+### `OAuth2PasswordRequestForm`
+
+🥇, 🗄 `OAuth2PasswordRequestForm`, & ⚙️ ⚫️ 🔗 ⏮️ `Depends` *➡ 🛠️* `/token`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="4 76"
+ {!> ../../../docs_src/security/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="2 74"
+ {!> ../../../docs_src/security/tutorial003_py310.py!}
+ ```
+
+`OAuth2PasswordRequestForm` 🎓 🔗 👈 📣 📨 💪 ⏮️:
+
+* `username`.
+* `password`.
+* 📦 `scope` 🏑 🦏 🎻, ✍ 🎻 🎏 🚀.
+* 📦 `grant_type`.
+
+!!! tip
+ Oauth2️⃣ 🔌 🤙 *🚚* 🏑 `grant_type` ⏮️ 🔧 💲 `password`, ✋️ `OAuth2PasswordRequestForm` 🚫 🛠️ ⚫️.
+
+ 🚥 👆 💪 🛠️ ⚫️, ⚙️ `OAuth2PasswordRequestFormStrict` ↩️ `OAuth2PasswordRequestForm`.
+
+* 📦 `client_id` (👥 🚫 💪 ⚫️ 👆 🖼).
+* 📦 `client_secret` (👥 🚫 💪 ⚫️ 👆 🖼).
+
+!!! info
+ `OAuth2PasswordRequestForm` 🚫 🎁 🎓 **FastAPI** `OAuth2PasswordBearer`.
+
+ `OAuth2PasswordBearer` ⚒ **FastAPI** 💭 👈 ⚫️ 💂♂ ⚖. ⚫️ 🚮 👈 🌌 🗄.
+
+ ✋️ `OAuth2PasswordRequestForm` 🎓 🔗 👈 👆 💪 ✔️ ✍ 👆, ⚖️ 👆 💪 ✔️ 📣 `Form` 🔢 🔗.
+
+ ✋️ ⚫️ ⚠ ⚙️ 💼, ⚫️ 🚚 **FastAPI** 🔗, ⚒ ⚫️ ⏩.
+
+### ⚙️ 📨 💽
+
+!!! tip
+ 👐 🔗 🎓 `OAuth2PasswordRequestForm` 🏆 🚫 ✔️ 🔢 `scope` ⏮️ 📏 🎻 👽 🚀, ↩️, ⚫️ 🔜 ✔️ `scopes` 🔢 ⏮️ ☑ 📇 🎻 🔠 ↔ 📨.
+
+ 👥 🚫 ⚙️ `scopes` 👉 🖼, ✋️ 🛠️ 📤 🚥 👆 💪 ⚫️.
+
+🔜, 🤚 👩💻 📊 ⚪️➡️ (❌) 💽, ⚙️ `username` ⚪️➡️ 📨 🏑.
+
+🚥 📤 🙅♂ ✅ 👩💻, 👥 📨 ❌ 💬 "❌ 🆔 ⚖️ 🔐".
+
+❌, 👥 ⚙️ ⚠ `HTTPException`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3 77-79"
+ {!> ../../../docs_src/security/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1 75-77"
+ {!> ../../../docs_src/security/tutorial003_py310.py!}
+ ```
+
+### ✅ 🔐
+
+👉 ☝ 👥 ✔️ 👩💻 📊 ⚪️➡️ 👆 💽, ✋️ 👥 🚫 ✅ 🔐.
+
+➡️ 🚮 👈 💽 Pydantic `UserInDB` 🏷 🥇.
+
+👆 🔜 🙅 🖊 🔢 🔐,, 👥 🔜 ⚙️ (❌) 🔐 🔁 ⚙️.
+
+🚥 🔐 🚫 🏏, 👥 📨 🎏 ❌.
+
+#### 🔐 🔁
+
+"🔁" ⛓: 🏭 🎚 (🔐 👉 💼) 🔘 🔁 🔢 (🎻) 👈 👀 💖 🙃.
+
+🕐❔ 👆 🚶♀️ ⚫️❔ 🎏 🎚 (⚫️❔ 🎏 🔐) 👆 🤚 ⚫️❔ 🎏 🙃.
+
+✋️ 👆 🚫🔜 🗜 ⚪️➡️ 🙃 🔙 🔐.
+
+##### ⚫️❔ ⚙️ 🔐 🔁
+
+🚥 👆 💽 📎, 🧙♀ 🏆 🚫 ✔️ 👆 👩💻' 🔢 🔐, 🕴#️⃣.
+
+, 🧙♀ 🏆 🚫 💪 🔄 ⚙️ 👈 🎏 🔐 ➕1️⃣ ⚙️ (📚 👩💻 ⚙️ 🎏 🔐 🌐, 👉 🔜 ⚠).
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="80-83"
+ {!> ../../../docs_src/security/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="78-81"
+ {!> ../../../docs_src/security/tutorial003_py310.py!}
+ ```
+
+#### 🔃 `**user_dict`
+
+`UserInDB(**user_dict)` ⛓:
+
+*🚶♀️ 🔑 & 💲 `user_dict` 🔗 🔑-💲 ❌, 🌓:*
+
+```Python
+UserInDB(
+ username = user_dict["username"],
+ email = user_dict["email"],
+ full_name = user_dict["full_name"],
+ disabled = user_dict["disabled"],
+ hashed_password = user_dict["hashed_password"],
+)
+```
+
+!!! info
+ 🌅 🏁 🔑 `**👩💻_ #️⃣ ` ✅ 🔙 [🧾 **➕ 🏷**](../extra-models.md#about-user_indict){.internal-link target=_blank}.
+
+## 📨 🤝
+
+📨 `token` 🔗 🔜 🎻 🎚.
+
+⚫️ 🔜 ✔️ `token_type`. 👆 💼, 👥 ⚙️ "📨" 🤝, 🤝 🆎 🔜 "`bearer`".
+
+& ⚫️ 🔜 ✔️ `access_token`, ⏮️ 🎻 ⚗ 👆 🔐 🤝.
+
+👉 🙅 🖼, 👥 🔜 🍕 😟 & 📨 🎏 `username` 🤝.
+
+!!! tip
+ ⏭ 📃, 👆 🔜 👀 🎰 🔐 🛠️, ⏮️ 🔐 #️⃣ & <abbr title="JSON Web Tokens">🥙</abbr> 🤝.
+
+ ✋️ 🔜, ➡️ 🎯 🔛 🎯 ℹ 👥 💪.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="85"
+ {!> ../../../docs_src/security/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="83"
+ {!> ../../../docs_src/security/tutorial003_py310.py!}
+ ```
+
+!!! tip
+ 🔌, 👆 🔜 📨 🎻 ⏮️ `access_token` & `token_type`, 🎏 👉 🖼.
+
+ 👉 🕳 👈 👆 ✔️ 👆 👆 📟, & ⚒ 💭 👆 ⚙️ 📚 🎻 🔑.
+
+ ⚫️ 🌖 🕴 👜 👈 👆 ✔️ 💭 ☑ 👆, 🛠️ ⏮️ 🔧.
+
+ 🎂, **FastAPI** 🍵 ⚫️ 👆.
+
+## ℹ 🔗
+
+🔜 👥 🔜 ℹ 👆 🔗.
+
+👥 💚 🤚 `current_user` *🕴* 🚥 👉 👩💻 🦁.
+
+, 👥 ✍ 🌖 🔗 `get_current_active_user` 👈 🔄 ⚙️ `get_current_user` 🔗.
+
+👯♂️ 👉 🔗 🔜 📨 🇺🇸🔍 ❌ 🚥 👩💻 🚫 🔀, ⚖️ 🚥 🔕.
+
+, 👆 🔗, 👥 🔜 🕴 🤚 👩💻 🚥 👩💻 🔀, ☑ 🔓, & 🦁:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="58-66 69-72 90"
+ {!> ../../../docs_src/security/tutorial003.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="55-64 67-70 88"
+ {!> ../../../docs_src/security/tutorial003_py310.py!}
+ ```
+
+!!! info
+ 🌖 🎚 `WWW-Authenticate` ⏮️ 💲 `Bearer` 👥 🛬 📥 🍕 🔌.
+
+ 🙆 🇺🇸🔍 (❌) 👔 📟 4️⃣0️⃣1️⃣ "⛔" 🤔 📨 `WWW-Authenticate` 🎚.
+
+ 💼 📨 🤝 (👆 💼), 💲 👈 🎚 🔜 `Bearer`.
+
+ 👆 💪 🤙 🚶 👈 ➕ 🎚 & ⚫️ 🔜 👷.
+
+ ✋️ ⚫️ 🚚 📥 🛠️ ⏮️ 🔧.
+
+ , 📤 5️⃣📆 🧰 👈 ⌛ & ⚙️ ⚫️ (🔜 ⚖️ 🔮) & 👈 💪 ⚠ 👆 ⚖️ 👆 👩💻, 🔜 ⚖️ 🔮.
+
+ 👈 💰 🐩...
+
+## 👀 ⚫️ 🎯
+
+📂 🎓 🩺: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+### 🔓
+
+🖊 "✔" 🔼.
+
+⚙️ 🎓:
+
+👩💻: `johndoe`
+
+🔐: `secret`
+
+<img src="/img/tutorial/security/image04.png">
+
+⏮️ 🔗 ⚙️, 👆 🔜 👀 ⚫️ 💖:
+
+<img src="/img/tutorial/security/image05.png">
+
+### 🤚 👆 👍 👩💻 💽
+
+🔜 ⚙️ 🛠️ `GET` ⏮️ ➡ `/users/me`.
+
+👆 🔜 🤚 👆 👩💻 📊, 💖:
+
+```JSON
+{
+ "username": "johndoe",
+ "email": "johndoe@example.com",
+ "full_name": "John Doe",
+ "disabled": false,
+ "hashed_password": "fakehashedsecret"
+}
+```
+
+<img src="/img/tutorial/security/image06.png">
+
+🚥 👆 🖊 🔒 ℹ & ⏏, & ⤴️ 🔄 🎏 🛠️ 🔄, 👆 🔜 🤚 🇺🇸🔍 4️⃣0️⃣1️⃣ ❌:
+
+```JSON
+{
+ "detail": "Not authenticated"
+}
+```
+
+### 🔕 👩💻
+
+🔜 🔄 ⏮️ 🔕 👩💻, 🔓 ⏮️:
+
+👩💻: `alice`
+
+🔐: `secret2`
+
+& 🔄 ⚙️ 🛠️ `GET` ⏮️ ➡ `/users/me`.
+
+👆 🔜 🤚 "🔕 👩💻" ❌, 💖:
+
+```JSON
+{
+ "detail": "Inactive user"
+}
+```
+
+## 🌃
+
+👆 🔜 ✔️ 🧰 🛠️ 🏁 💂♂ ⚙️ ⚓️ 🔛 `username` & `password` 👆 🛠️.
+
+⚙️ 👫 🧰, 👆 💪 ⚒ 💂♂ ⚙️ 🔗 ⏮️ 🙆 💽 & ⏮️ 🙆 👩💻 ⚖️ 💽 🏷.
+
+🕴 ℹ ❌ 👈 ⚫️ 🚫 🤙 "🔐".
+
+⏭ 📃 👆 🔜 👀 ❔ ⚙️ 🔐 🔐 🔁 🗃 & <abbr title="JSON Web Tokens">🥙</abbr> 🤝.
--- /dev/null
+# 🗄 (🔗) 💽
+
+**FastAPI** 🚫 🚚 👆 ⚙️ 🗄 (🔗) 💽.
+
+✋️ 👆 💪 ⚙️ 🙆 🔗 💽 👈 👆 💚.
+
+📥 👥 🔜 👀 🖼 ⚙️ <a href="https://www.sqlalchemy.org/" class="external-link" target="_blank">🇸🇲</a>.
+
+👆 💪 💪 🛠️ ⚫️ 🙆 💽 🐕🦺 🇸🇲, 💖:
+
+* ✳
+* ✳
+* 🗄
+* 🐸
+* 🤸♂ 🗄 💽, ♒️.
+
+👉 🖼, 👥 🔜 ⚙️ **🗄**, ↩️ ⚫️ ⚙️ 👁 📁 & 🐍 ✔️ 🛠️ 🐕🦺. , 👆 💪 📁 👉 🖼 & 🏃 ⚫️.
+
+⏪, 👆 🏭 🈸, 👆 💪 💚 ⚙️ 💽 💽 💖 **✳**.
+
+!!! tip
+ 📤 🛂 🏗 🚂 ⏮️ **FastAPI** & **✳**, 🌐 ⚓️ 🔛 **☁**, 🔌 🕸 & 🌖 🧰: <a href="https://github.com/tiangolo/full-stack-fastapi-postgresql" class="external-link" target="_blank">https://github.com/tiangolo/full-stack-fastapi-postgresql</a>
+
+!!! note
+ 👀 👈 📚 📟 🐩 `SQLAlchemy` 📟 👆 🔜 ⚙️ ⏮️ 🙆 🛠️.
+
+ **FastAPI** 🎯 📟 🤪 🕧.
+
+## 🐜
+
+**FastAPI** 👷 ⏮️ 🙆 💽 & 🙆 👗 🗃 💬 💽.
+
+⚠ ⚓ ⚙️ "🐜": "🎚-🔗 🗺" 🗃.
+
+🐜 ✔️ 🧰 🗜 ("*🗺*") 🖖 *🎚* 📟 & 💽 🏓 ("*🔗*").
+
+⏮️ 🐜, 👆 🛎 ✍ 🎓 👈 🎨 🏓 🗄 💽, 🔠 🔢 🎓 🎨 🏓, ⏮️ 📛 & 🆎.
+
+🖼 🎓 `Pet` 💪 🎨 🗄 🏓 `pets`.
+
+& 🔠 *👐* 🎚 👈 🎓 🎨 ⏭ 💽.
+
+🖼 🎚 `orion_cat` (👐 `Pet`) 💪 ✔️ 🔢 `orion_cat.type`, 🏓 `type`. & 💲 👈 🔢 💪, ✅ `"cat"`.
+
+👫 🐜 ✔️ 🧰 ⚒ 🔗 ⚖️ 🔗 🖖 🏓 ⚖️ 👨💼.
+
+👉 🌌, 👆 💪 ✔️ 🔢 `orion_cat.owner` & 👨💼 🔜 🔌 💽 👉 🐶 👨💼, ✊ ⚪️➡️ 🏓 *👨💼*.
+
+, `orion_cat.owner.name` 💪 📛 (⚪️➡️ `name` 🏓 `owners` 🏓) 👉 🐶 👨💼.
+
+⚫️ 💪 ✔️ 💲 💖 `"Arquilian"`.
+
+& 🐜 🔜 🌐 👷 🤚 ℹ ⚪️➡️ 🔗 🏓 *👨💼* 🕐❔ 👆 🔄 🔐 ⚫️ ⚪️➡️ 👆 🐶 🎚.
+
+⚠ 🐜 🖼: ✳-🐜 (🍕 ✳ 🛠️), 🇸🇲 🐜 (🍕 🇸🇲, 🔬 🛠️) & 🏒 (🔬 🛠️), 👪 🎏.
+
+📥 👥 🔜 👀 ❔ 👷 ⏮️ **🇸🇲 🐜**.
+
+🎏 🌌 👆 💪 ⚙️ 🙆 🎏 🐜.
+
+!!! tip
+ 📤 🌓 📄 ⚙️ 🏒 📥 🩺.
+
+## 📁 📊
+
+👫 🖼, ➡️ 💬 👆 ✔️ 📁 📛 `my_super_project` 👈 🔌 🎧-📁 🤙 `sql_app` ⏮️ 📊 💖 👉:
+
+```
+.
+└── sql_app
+ ├── __init__.py
+ ├── crud.py
+ ├── database.py
+ ├── main.py
+ ├── models.py
+ └── schemas.py
+```
+
+📁 `__init__.py` 🛁 📁, ✋️ ⚫️ 💬 🐍 👈 `sql_app` ⏮️ 🌐 🚮 🕹 (🐍 📁) 📦.
+
+🔜 ➡️ 👀 ⚫️❔ 🔠 📁/🕹 🔨.
+
+## ❎ `SQLAlchemy`
+
+🥇 👆 💪 ❎ `SQLAlchemy`:
+
+<div class="termy">
+
+```console
+$ pip install sqlalchemy
+
+---> 100%
+```
+
+</div>
+
+## ✍ 🇸🇲 🍕
+
+➡️ 🔗 📁 `sql_app/database.py`.
+
+### 🗄 🇸🇲 🍕
+
+```Python hl_lines="1-3"
+{!../../../docs_src/sql_databases/sql_app/database.py!}
+```
+
+### ✍ 💽 📛 🇸🇲
+
+```Python hl_lines="5-6"
+{!../../../docs_src/sql_databases/sql_app/database.py!}
+```
+
+👉 🖼, 👥 "🔗" 🗄 💽 (📂 📁 ⏮️ 🗄 💽).
+
+📁 🔜 🔎 🎏 📁 📁 `sql_app.db`.
+
+👈 ⚫️❔ 🏁 🍕 `./sql_app.db`.
+
+🚥 👆 ⚙️ **✳** 💽 ↩️, 👆 🔜 ✔️ ✍ ⏸:
+
+```Python
+SQLALCHEMY_DATABASE_URL = "postgresql://user:password@postgresserver/db"
+```
+
+...& 🛠️ ⚫️ ⏮️ 👆 💽 📊 & 🎓 (📊 ✳, ✳ ⚖️ 🙆 🎏).
+
+!!! tip
+
+ 👉 👑 ⏸ 👈 👆 🔜 ✔️ 🔀 🚥 👆 💚 ⚙️ 🎏 💽.
+
+### ✍ 🇸🇲 `engine`
+
+🥇 🔁 ✍ 🇸🇲 "🚒".
+
+👥 🔜 ⏪ ⚙️ 👉 `engine` 🎏 🥉.
+
+```Python hl_lines="8-10"
+{!../../../docs_src/sql_databases/sql_app/database.py!}
+```
+
+#### 🗒
+
+❌:
+
+```Python
+connect_args={"check_same_thread": False}
+```
+
+...💪 🕴 `SQLite`. ⚫️ 🚫 💪 🎏 💽.
+
+!!! info "📡 ℹ"
+
+ 🔢 🗄 🔜 🕴 ✔ 1️⃣ 🧵 🔗 ⏮️ ⚫️, 🤔 👈 🔠 🧵 🔜 🍵 🔬 📨.
+
+ 👉 ❎ 😫 🤝 🎏 🔗 🎏 👜 (🎏 📨).
+
+ ✋️ FastAPI, ⚙️ 😐 🔢 (`def`) 🌅 🌘 1️⃣ 🧵 💪 🔗 ⏮️ 💽 🎏 📨, 👥 💪 ⚒ 🗄 💭 👈 ⚫️ 🔜 ✔ 👈 ⏮️ `connect_args={"check_same_thread": False}`.
+
+ , 👥 🔜 ⚒ 💭 🔠 📨 🤚 🚮 👍 💽 🔗 🎉 🔗, 📤 🙅♂ 💪 👈 🔢 🛠️.
+
+### ✍ `SessionLocal` 🎓
+
+🔠 👐 `SessionLocal` 🎓 🔜 💽 🎉. 🎓 ⚫️ 🚫 💽 🎉.
+
+✋️ 🕐 👥 ✍ 👐 `SessionLocal` 🎓, 👉 👐 🔜 ☑ 💽 🎉.
+
+👥 📛 ⚫️ `SessionLocal` 🔬 ⚫️ ⚪️➡️ `Session` 👥 🏭 ⚪️➡️ 🇸🇲.
+
+👥 🔜 ⚙️ `Session` (1️⃣ 🗄 ⚪️➡️ 🇸🇲) ⏪.
+
+✍ `SessionLocal` 🎓, ⚙️ 🔢 `sessionmaker`:
+
+```Python hl_lines="11"
+{!../../../docs_src/sql_databases/sql_app/database.py!}
+```
+
+### ✍ `Base` 🎓
+
+🔜 👥 🔜 ⚙️ 🔢 `declarative_base()` 👈 📨 🎓.
+
+⏪ 👥 🔜 😖 ⚪️➡️ 👉 🎓 ✍ 🔠 💽 🏷 ⚖️ 🎓 (🐜 🏷):
+
+```Python hl_lines="13"
+{!../../../docs_src/sql_databases/sql_app/database.py!}
+```
+
+## ✍ 💽 🏷
+
+➡️ 🔜 👀 📁 `sql_app/models.py`.
+
+### ✍ 🇸🇲 🏷 ⚪️➡️ `Base` 🎓
+
+👥 🔜 ⚙️ 👉 `Base` 🎓 👥 ✍ ⏭ ✍ 🇸🇲 🏷.
+
+!!! tip
+ 🇸🇲 ⚙️ ⚖ "**🏷**" 🔗 👉 🎓 & 👐 👈 🔗 ⏮️ 💽.
+
+ ✋️ Pydantic ⚙️ ⚖ "**🏷**" 🔗 🕳 🎏, 💽 🔬, 🛠️, & 🧾 🎓 & 👐.
+
+🗄 `Base` ⚪️➡️ `database` (📁 `database.py` ⚪️➡️ 🔛).
+
+✍ 🎓 👈 😖 ⚪️➡️ ⚫️.
+
+👫 🎓 🇸🇲 🏷.
+
+```Python hl_lines="4 7-8 18-19"
+{!../../../docs_src/sql_databases/sql_app/models.py!}
+```
+
+`__tablename__` 🔢 💬 🇸🇲 📛 🏓 ⚙️ 💽 🔠 👫 🏷.
+
+### ✍ 🏷 🔢/🏓
+
+🔜 ✍ 🌐 🏷 (🎓) 🔢.
+
+🔠 👫 🔢 🎨 🏓 🚮 🔗 💽 🏓.
+
+👥 ⚙️ `Column` ⚪️➡️ 🇸🇲 🔢 💲.
+
+& 👥 🚶♀️ 🇸🇲 🎓 "🆎", `Integer`, `String`, & `Boolean`, 👈 🔬 🆎 💽, ❌.
+
+```Python hl_lines="1 10-13 21-24"
+{!../../../docs_src/sql_databases/sql_app/models.py!}
+```
+
+### ✍ 💛
+
+🔜 ✍ 💛.
+
+👉, 👥 ⚙️ `relationship` 🚚 🇸🇲 🐜.
+
+👉 🔜 ▶️️, 🌅 ⚖️ 🌘, "🎱" 🔢 👈 🔜 🔌 💲 ⚪️➡️ 🎏 🏓 🔗 👉 1️⃣.
+
+```Python hl_lines="2 15 26"
+{!../../../docs_src/sql_databases/sql_app/models.py!}
+```
+
+🕐❔ 🔐 🔢 `items` `User`, `my_user.items`, ⚫️ 🔜 ✔️ 📇 `Item` 🇸🇲 🏷 (⚪️➡️ `items` 🏓) 👈 ✔️ 💱 🔑 ☝ 👉 ⏺ `users` 🏓.
+
+🕐❔ 👆 🔐 `my_user.items`, 🇸🇲 🔜 🤙 🚶 & ☕ 🏬 ⚪️➡️ 💽 `items` 🏓 & 🔗 👫 📥.
+
+& 🕐❔ 🔐 🔢 `owner` `Item`, ⚫️ 🔜 🔌 `User` 🇸🇲 🏷 ⚪️➡️ `users` 🏓. ⚫️ 🔜 ⚙️ `owner_id` 🔢/🏓 ⏮️ 🚮 💱 🔑 💭 ❔ ⏺ 🤚 ⚪️➡️ `users` 🏓.
+
+## ✍ Pydantic 🏷
+
+🔜 ➡️ ✅ 📁 `sql_app/schemas.py`.
+
+!!! tip
+ ❎ 😨 🖖 🇸🇲 *🏷* & Pydantic *🏷*, 👥 🔜 ✔️ 📁 `models.py` ⏮️ 🇸🇲 🏷, & 📁 `schemas.py` ⏮️ Pydantic 🏷.
+
+ 👫 Pydantic 🏷 🔬 🌅 ⚖️ 🌘 "🔗" (☑ 📊 💠).
+
+ 👉 🔜 ℹ 👥 ❎ 😨 ⏪ ⚙️ 👯♂️.
+
+### ✍ ▶️ Pydantic *🏷* / 🔗
+
+✍ `ItemBase` & `UserBase` Pydantic *🏷* (⚖️ ➡️ 💬 "🔗") ✔️ ⚠ 🔢 ⏪ 🏗 ⚖️ 👂 📊.
+
+& ✍ `ItemCreate` & `UserCreate` 👈 😖 ⚪️➡️ 👫 (👫 🔜 ✔️ 🎏 🔢), ➕ 🙆 🌖 📊 (🔢) 💪 🏗.
+
+, 👩💻 🔜 ✔️ `password` 🕐❔ 🏗 ⚫️.
+
+✋️ 💂♂, `password` 🏆 🚫 🎏 Pydantic *🏷*, 🖼, ⚫️ 🏆 🚫 📨 ⚪️➡️ 🛠️ 🕐❔ 👂 👩💻.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="3 6-8 11-12 23-24 27-28"
+ {!> ../../../docs_src/sql_databases/sql_app/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="3 6-8 11-12 23-24 27-28"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="1 4-6 9-10 21-22 25-26"
+ {!> ../../../docs_src/sql_databases/sql_app_py310/schemas.py!}
+ ```
+
+#### 🇸🇲 👗 & Pydantic 👗
+
+👀 👈 🇸🇲 *🏷* 🔬 🔢 ⚙️ `=`, & 🚶♀️ 🆎 🔢 `Column`, 💖:
+
+```Python
+name = Column(String)
+```
+
+⏪ Pydantic *🏷* 📣 🆎 ⚙️ `:`, 🆕 🆎 ✍ ❕/🆎 🔑:
+
+```Python
+name: str
+```
+
+✔️ ⚫️ 🤯, 👆 🚫 🤚 😕 🕐❔ ⚙️ `=` & `:` ⏮️ 👫.
+
+### ✍ Pydantic *🏷* / 🔗 👂 / 📨
+
+🔜 ✍ Pydantic *🏷* (🔗) 👈 🔜 ⚙️ 🕐❔ 👂 💽, 🕐❔ 🛬 ⚫️ ⚪️➡️ 🛠️.
+
+🖼, ⏭ 🏗 🏬, 👥 🚫 💭 ⚫️❔ 🔜 🆔 🛠️ ⚫️, ✋️ 🕐❔ 👂 ⚫️ (🕐❔ 🛬 ⚫️ ⚪️➡️ 🛠️) 👥 🔜 ⏪ 💭 🚮 🆔.
+
+🎏 🌌, 🕐❔ 👂 👩💻, 👥 💪 🔜 📣 👈 `items` 🔜 🔌 🏬 👈 💭 👉 👩💻.
+
+🚫 🕴 🆔 📚 🏬, ✋️ 🌐 💽 👈 👥 🔬 Pydantic *🏷* 👂 🏬: `Item`.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="15-17 31-34"
+ {!> ../../../docs_src/sql_databases/sql_app/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="15-17 31-34"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="13-15 29-32"
+ {!> ../../../docs_src/sql_databases/sql_app_py310/schemas.py!}
+ ```
+
+!!! tip
+ 👀 👈 `User`, Pydantic *🏷* 👈 🔜 ⚙️ 🕐❔ 👂 👩💻 (🛬 ⚫️ ⚪️➡️ 🛠️) 🚫 🔌 `password`.
+
+### ⚙️ Pydantic `orm_mode`
+
+🔜, Pydantic *🏷* 👂, `Item` & `User`, 🚮 🔗 `Config` 🎓.
+
+👉 <a href="https://pydantic-docs.helpmanual.io/usage/model_config/" class="external-link" target="_blank">`Config`</a> 🎓 ⚙️ 🚚 📳 Pydantic.
+
+`Config` 🎓, ⚒ 🔢 `orm_mode = True`.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="15 19-20 31 36-37"
+ {!> ../../../docs_src/sql_databases/sql_app/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="15 19-20 31 36-37"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python hl_lines="13 17-18 29 34-35"
+ {!> ../../../docs_src/sql_databases/sql_app_py310/schemas.py!}
+ ```
+
+!!! tip
+ 👀 ⚫️ ⚖ 💲 ⏮️ `=`, 💖:
+
+ `orm_mode = True`
+
+ ⚫️ 🚫 ⚙️ `:` 🆎 📄 ⏭.
+
+ 👉 ⚒ 📁 💲, 🚫 📣 🆎.
+
+Pydantic `orm_mode` 🔜 💬 Pydantic *🏷* ✍ 💽 🚥 ⚫️ 🚫 `dict`, ✋️ 🐜 🏷 (⚖️ 🙆 🎏 ❌ 🎚 ⏮️ 🔢).
+
+👉 🌌, ↩️ 🕴 🔄 🤚 `id` 💲 ⚪️➡️ `dict`,:
+
+```Python
+id = data["id"]
+```
+
+⚫️ 🔜 🔄 🤚 ⚫️ ⚪️➡️ 🔢,:
+
+```Python
+id = data.id
+```
+
+& ⏮️ 👉, Pydantic *🏷* 🔗 ⏮️ 🐜, & 👆 💪 📣 ⚫️ `response_model` ❌ 👆 *➡ 🛠️*.
+
+👆 🔜 💪 📨 💽 🏷 & ⚫️ 🔜 ✍ 💽 ⚪️➡️ ⚫️.
+
+#### 📡 ℹ 🔃 🐜 📳
+
+🇸🇲 & 📚 🎏 🔢 "🙃 🚚".
+
+👈 ⛓, 🖼, 👈 👫 🚫 ☕ 💽 💛 ⚪️➡️ 💽 🚥 👆 🔄 🔐 🔢 👈 🔜 🔌 👈 💽.
+
+🖼, 🔐 🔢 `items`:
+
+```Python
+current_user.items
+```
+
+🔜 ⚒ 🇸🇲 🚶 `items` 🏓 & 🤚 🏬 👉 👩💻, ✋️ 🚫 ⏭.
+
+🍵 `orm_mode`, 🚥 👆 📨 🇸🇲 🏷 ⚪️➡️ 👆 *➡ 🛠️*, ⚫️ 🚫🔜 🔌 💛 💽.
+
+🚥 👆 📣 📚 💛 👆 Pydantic 🏷.
+
+✋️ ⏮️ 🐜 📳, Pydantic ⚫️ 🔜 🔄 🔐 💽 ⚫️ 💪 ⚪️➡️ 🔢 (↩️ 🤔 `dict`), 👆 💪 📣 🎯 💽 👆 💚 📨 & ⚫️ 🔜 💪 🚶 & 🤚 ⚫️, ⚪️➡️ 🐜.
+
+## 💩 🇨🇻
+
+🔜 ➡️ 👀 📁 `sql_app/crud.py`.
+
+👉 📁 👥 🔜 ✔️ ♻ 🔢 🔗 ⏮️ 💽 💽.
+
+**💩** 👟 ⚪️➡️: **🅱**📧, **Ⓜ**💳, **👤** = , & **🇨🇮**📧.
+
+...👐 👉 🖼 👥 🕴 🏗 & 👂.
+
+### ✍ 💽
+
+🗄 `Session` ⚪️➡️ `sqlalchemy.orm`, 👉 🔜 ✔ 👆 📣 🆎 `db` 🔢 & ✔️ 👻 🆎 ✅ & 🛠️ 👆 🔢.
+
+🗄 `models` (🇸🇲 🏷) & `schemas` (Pydantic *🏷* / 🔗).
+
+✍ 🚙 🔢:
+
+* ✍ 👁 👩💻 🆔 & 📧.
+* ✍ 💗 👩💻.
+* ✍ 💗 🏬.
+
+```Python hl_lines="1 3 6-7 10-11 14-15 27-28"
+{!../../../docs_src/sql_databases/sql_app/crud.py!}
+```
+
+!!! tip
+ 🏗 🔢 👈 🕴 💡 🔗 ⏮️ 💽 (🤚 👩💻 ⚖️ 🏬) 🔬 👆 *➡ 🛠️ 🔢*, 👆 💪 🌖 💪 ♻ 👫 💗 🍕 & 🚮 <abbr title="Automated tests, written in code, that check if another piece of code is working correctly.">⚒ 💯</abbr> 👫.
+
+### ✍ 💽
+
+🔜 ✍ 🚙 🔢 ✍ 💽.
+
+🔁:
+
+* ✍ 🇸🇲 🏷 *👐* ⏮️ 👆 📊.
+* `add` 👈 👐 🎚 👆 💽 🎉.
+* `commit` 🔀 💽 (👈 👫 🖊).
+* `refresh` 👆 👐 (👈 ⚫️ 🔌 🙆 🆕 📊 ⚪️➡️ 💽, 💖 🏗 🆔).
+
+```Python hl_lines="18-24 31-36"
+{!../../../docs_src/sql_databases/sql_app/crud.py!}
+```
+
+!!! tip
+ 🇸🇲 🏷 `User` 🔌 `hashed_password` 👈 🔜 🔌 🔐 #️⃣ ⏬ 🔐.
+
+ ✋️ ⚫️❔ 🛠️ 👩💻 🚚 ⏮️ 🔐, 👆 💪 ⚗ ⚫️ & 🏗 #️⃣ 🔐 👆 🈸.
+
+ & ⤴️ 🚶♀️ `hashed_password` ❌ ⏮️ 💲 🖊.
+
+!!! warning
+ 👉 🖼 🚫 🔐, 🔐 🚫#️⃣.
+
+ 🎰 👨❤👨 🈸 👆 🔜 💪 #️⃣ 🔐 & 🙅 🖊 👫 🔢.
+
+ 🌅 ℹ, 🚶 🔙 💂♂ 📄 🔰.
+
+ 📥 👥 🎯 🕴 🔛 🧰 & 👨🔧 💽.
+
+!!! tip
+ ↩️ 🚶♀️ 🔠 🇨🇻 ❌ `Item` & 👂 🔠 1️⃣ 👫 ⚪️➡️ Pydantic *🏷*, 👥 🏭 `dict` ⏮️ Pydantic *🏷*'Ⓜ 📊 ⏮️:
+
+ `item.dict()`
+
+ & ⤴️ 👥 🚶♀️ `dict`'Ⓜ 🔑-💲 👫 🇨🇻 ❌ 🇸🇲 `Item`, ⏮️:
+
+ `Item(**item.dict())`
+
+ & ⤴️ 👥 🚶♀️ ➕ 🇨🇻 ❌ `owner_id` 👈 🚫 🚚 Pydantic *🏷*, ⏮️:
+
+ `Item(**item.dict(), owner_id=user_id)`
+
+## 👑 **FastAPI** 📱
+
+& 🔜 📁 `sql_app/main.py` ➡️ 🛠️ & ⚙️ 🌐 🎏 🍕 👥 ✍ ⏭.
+
+### ✍ 💽 🏓
+
+📶 🙃 🌌 ✍ 💽 🏓:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="9"
+ {!> ../../../docs_src/sql_databases/sql_app/main.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="7"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
+ ```
+
+#### ⚗ 🗒
+
+🛎 👆 🔜 🎲 🔢 👆 💽 (✍ 🏓, ♒️) ⏮️ <a href="https://alembic.sqlalchemy.org/en/latest/" class="external-link" target="_blank">⚗</a>.
+
+& 👆 🔜 ⚙️ ⚗ "🛠️" (👈 🚮 👑 👨🏭).
+
+"🛠️" ⚒ 🔁 💪 🕐❔ 👆 🔀 📊 👆 🇸🇲 🏷, 🚮 🆕 🔢, ♒️. 🔁 👈 🔀 💽, 🚮 🆕 🏓, 🆕 🏓, ♒️.
+
+👆 💪 🔎 🖼 ⚗ FastAPI 🏗 📄 ⚪️➡️ [🏗 ⚡ - 📄](../project-generation.md){.internal-link target=_blank}. 🎯 <a href="https://github.com/tiangolo/full-stack-fastapi-postgresql/tree/master/%7B%7Bcookiecutter.project_slug%7D%7D/backend/app/alembic/" class="external-link" target="_blank"> `alembic` 📁 ℹ 📟</a>.
+
+### ✍ 🔗
+
+🔜 ⚙️ `SessionLocal` 🎓 👥 ✍ `sql_app/database.py` 📁 ✍ 🔗.
+
+👥 💪 ✔️ 🔬 💽 🎉/🔗 (`SessionLocal`) 📍 📨, ⚙️ 🎏 🎉 🔘 🌐 📨 & ⤴️ 🔐 ⚫️ ⏮️ 📨 🏁.
+
+& ⤴️ 🆕 🎉 🔜 ✍ ⏭ 📨.
+
+👈, 👥 🔜 ✍ 🆕 🔗 ⏮️ `yield`, 🔬 ⏭ 📄 🔃 [🔗 ⏮️ `yield`](dependencies/dependencies-with-yield.md){.internal-link target=_blank}.
+
+👆 🔗 🔜 ✍ 🆕 🇸🇲 `SessionLocal` 👈 🔜 ⚙️ 👁 📨, & ⤴️ 🔐 ⚫️ 🕐 📨 🏁.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="15-20"
+ {!> ../../../docs_src/sql_databases/sql_app/main.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="13-18"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
+ ```
+
+!!! info
+ 👥 🚮 🏗 `SessionLocal()` & 🚚 📨 `try` 🍫.
+
+ & ⤴️ 👥 🔐 ⚫️ `finally` 🍫.
+
+ 👉 🌌 👥 ⚒ 💭 💽 🎉 🕧 📪 ⏮️ 📨. 🚥 📤 ⚠ ⏪ 🏭 📨.
+
+ ✋️ 👆 💪 🚫 🤚 ➕1️⃣ ⚠ ⚪️➡️ 🚪 📟 (⏮️ `yield`). 👀 🌖 [🔗 ⏮️ `yield` & `HTTPException`](./dependencies/dependencies-with-yield.md#dependencies-with-yield-and-httpexception){.internal-link target=_blank}
+
+& ⤴️, 🕐❔ ⚙️ 🔗 *➡ 🛠️ 🔢*, 👥 📣 ⚫️ ⏮️ 🆎 `Session` 👥 🗄 🔗 ⚪️➡️ 🇸🇲.
+
+👉 🔜 ⤴️ 🤝 👥 👍 👨🎨 🐕🦺 🔘 *➡ 🛠️ 🔢*, ↩️ 👨🎨 🔜 💭 👈 `db` 🔢 🆎 `Session`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="24 32 38 47 53"
+ {!> ../../../docs_src/sql_databases/sql_app/main.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="22 30 36 45 51"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
+ ```
+
+!!! info "📡 ℹ"
+ 🔢 `db` 🤙 🆎 `SessionLocal`, ✋️ 👉 🎓 (✍ ⏮️ `sessionmaker()`) "🗳" 🇸🇲 `Session`,, 👨🎨 🚫 🤙 💭 ⚫️❔ 👩🔬 🚚.
+
+ ✋️ 📣 🆎 `Session`, 👨🎨 🔜 💪 💭 💪 👩🔬 (`.add()`, `.query()`, `.commit()`, ♒️) & 💪 🚚 👍 🐕🦺 (💖 🛠️). 🆎 📄 🚫 📉 ☑ 🎚.
+
+### ✍ 👆 **FastAPI** *➡ 🛠️*
+
+🔜, 😒, 📥 🐩 **FastAPI** *➡ 🛠️* 📟.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="23-28 31-34 37-42 45-49 52-55"
+ {!> ../../../docs_src/sql_databases/sql_app/main.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="21-26 29-32 35-40 43-47 50-53"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
+ ```
+
+👥 🏗 💽 🎉 ⏭ 🔠 📨 🔗 ⏮️ `yield`, & ⤴️ 📪 ⚫️ ⏮️.
+
+& ⤴️ 👥 💪 ✍ 🚚 🔗 *➡ 🛠️ 🔢*, 🤚 👈 🎉 🔗.
+
+⏮️ 👈, 👥 💪 🤙 `crud.get_user` 🔗 ⚪️➡️ 🔘 *➡ 🛠️ 🔢* & ⚙️ 👈 🎉.
+
+!!! tip
+ 👀 👈 💲 👆 📨 🇸🇲 🏷, ⚖️ 📇 🇸🇲 🏷.
+
+ ✋️ 🌐 *➡ 🛠️* ✔️ `response_model` ⏮️ Pydantic *🏷* / 🔗 ⚙️ `orm_mode`, 💽 📣 👆 Pydantic 🏷 🔜 ⚗ ⚪️➡️ 👫 & 📨 👩💻, ⏮️ 🌐 😐 ⛽ & 🔬.
+
+!!! tip
+ 👀 👈 📤 `response_models` 👈 ✔️ 🐩 🐍 🆎 💖 `List[schemas.Item]`.
+
+ ✋️ 🎚/🔢 👈 `List` Pydantic *🏷* ⏮️ `orm_mode`, 💽 🔜 🗃 & 📨 👩💻 🛎, 🍵 ⚠.
+
+### 🔃 `def` 🆚 `async def`
+
+📥 👥 ⚙️ 🇸🇲 📟 🔘 *➡ 🛠️ 🔢* & 🔗, &, 🔄, ⚫️ 🔜 🚶 & 🔗 ⏮️ 🔢 💽.
+
+👈 💪 ⚠ 🚚 "⌛".
+
+✋️ 🇸🇲 🚫 ✔️ 🔗 ⚙️ `await` 🔗, 🔜 ⏮️ 🕳 💖:
+
+```Python
+user = await db.query(User).first()
+```
+
+...& ↩️ 👥 ⚙️:
+
+```Python
+user = db.query(User).first()
+```
+
+⤴️ 👥 🔜 📣 *➡ 🛠️ 🔢* & 🔗 🍵 `async def`, ⏮️ 😐 `def`,:
+
+```Python hl_lines="2"
+@app.get("/users/{user_id}", response_model=schemas.User)
+def read_user(user_id: int, db: Session = Depends(get_db)):
+ db_user = crud.get_user(db, user_id=user_id)
+ ...
+```
+
+!!! info
+ 🚥 👆 💪 🔗 👆 🔗 💽 🔁, 👀 [🔁 🗄 (🔗) 💽](../advanced/async-sql-databases.md){.internal-link target=_blank}.
+
+!!! note "📶 📡 ℹ"
+ 🚥 👆 😟 & ✔️ ⏬ 📡 💡, 👆 💪 ✅ 📶 📡 ℹ ❔ 👉 `async def` 🆚 `def` 🍵 [🔁](../async.md#very-technical-details){.internal-link target=_blank} 🩺.
+
+## 🛠️
+
+↩️ 👥 ⚙️ 🇸🇲 🔗 & 👥 🚫 🚚 🙆 😇 🔌-⚫️ 👷 ⏮️ **FastAPI**, 👥 💪 🛠️ 💽 <abbr title="Automatically updating the database to have any new column we define in our models.">🛠️</abbr> ⏮️ <a href="https://alembic.sqlalchemy.org" class="external-link" target="_blank">⚗</a> 🔗.
+
+& 📟 🔗 🇸🇲 & 🇸🇲 🏷 🖖 🎏 🔬 📁, 👆 🔜 💪 🎭 🛠️ ⏮️ ⚗ 🍵 ✔️ ❎ FastAPI, Pydantic, ⚖️ 🕳 🙆.
+
+🎏 🌌, 👆 🔜 💪 ⚙️ 🎏 🇸🇲 🏷 & 🚙 🎏 🍕 👆 📟 👈 🚫 🔗 **FastAPI**.
+
+🖼, 🖥 📋 👨🏭 ⏮️ <a href="https://docs.celeryq.dev" class="external-link" target="_blank">🥒</a>, <a href="https://python-rq.org/" class="external-link" target="_blank">🅿</a>, ⚖️ <a href="https://arq-docs.helpmanual.io/" class="external-link" target="_blank">📶</a>.
+
+## 📄 🌐 📁
+
+ 💭 👆 🔜 ✔️ 📁 📛 `my_super_project` 👈 🔌 🎧-📁 🤙 `sql_app`.
+
+`sql_app` 🔜 ✔️ 📄 📁:
+
+* `sql_app/__init__.py`: 🛁 📁.
+
+* `sql_app/database.py`:
+
+```Python
+{!../../../docs_src/sql_databases/sql_app/database.py!}
+```
+
+* `sql_app/models.py`:
+
+```Python
+{!../../../docs_src/sql_databases/sql_app/models.py!}
+```
+
+* `sql_app/schemas.py`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/sql_databases/sql_app/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/sql_databases/sql_app_py39/schemas.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/sql_databases/sql_app_py310/schemas.py!}
+ ```
+
+* `sql_app/crud.py`:
+
+```Python
+{!../../../docs_src/sql_databases/sql_app/crud.py!}
+```
+
+* `sql_app/main.py`:
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/sql_databases/sql_app/main.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
+ ```
+
+## ✅ ⚫️
+
+👆 💪 📁 👉 📟 & ⚙️ ⚫️.
+
+!!! info
+
+ 👐, 📟 🎦 📥 🍕 💯. 🌅 📟 👉 🩺.
+
+⤴️ 👆 💪 🏃 ⚫️ ⏮️ Uvicorn:
+
+
+<div class="termy">
+
+```console
+$ uvicorn sql_app.main:app --reload
+
+<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
+```
+
+</div>
+
+& ⤴️, 👆 💪 📂 👆 🖥 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+
+& 👆 🔜 💪 🔗 ⏮️ 👆 **FastAPI** 🈸, 👂 📊 ⚪️➡️ 🎰 💽:
+
+<img src="/img/tutorial/sql-databases/image01.png">
+
+## 🔗 ⏮️ 💽 🔗
+
+🚥 👆 💚 🔬 🗄 💽 (📁) 🔗, ➡ FastAPI, ℹ 🚮 🎚, 🚮 🏓, 🏓, ⏺, 🔀 📊, ♒️. 👆 💪 ⚙️ <a href="https://sqlitebrowser.org/" class="external-link" target="_blank">💽 🖥 🗄</a>.
+
+⚫️ 🔜 👀 💖 👉:
+
+<img src="/img/tutorial/sql-databases/image02.png">
+
+👆 💪 ⚙️ 💳 🗄 🖥 💖 <a href="https://inloop.github.io/sqlite-viewer/" class="external-link" target="_blank">🗄 📋</a> ⚖️ <a href="https://extendsclass.com/sqlite-browser.html" class="external-link" target="_blank">ExtendsClass</a>.
+
+## 🎛 💽 🎉 ⏮️ 🛠️
+
+🚥 👆 💪 🚫 ⚙️ 🔗 ⏮️ `yield` - 🖼, 🚥 👆 🚫 ⚙️ **🐍 3️⃣.7️⃣** & 💪 🚫 ❎ "🐛" 🤔 🔛 **🐍 3️⃣.6️⃣** - 👆 💪 ⚒ 🆙 🎉 "🛠️" 🎏 🌌.
+
+"🛠️" 🌖 🔢 👈 🕧 🛠️ 🔠 📨, ⏮️ 📟 🛠️ ⏭, & 📟 🛠️ ⏮️ 🔗 🔢.
+
+### ✍ 🛠️
+
+🛠️ 👥 🔜 🚮 (🔢) 🔜 ✍ 🆕 🇸🇲 `SessionLocal` 🔠 📨, 🚮 ⚫️ 📨 & ⤴️ 🔐 ⚫️ 🕐 📨 🏁.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python hl_lines="14-22"
+ {!> ../../../docs_src/sql_databases/sql_app/alt_main.py!}
+ ```
+
+=== "🐍 3️⃣.9️⃣ & 🔛"
+
+ ```Python hl_lines="12-20"
+ {!> ../../../docs_src/sql_databases/sql_app_py39/alt_main.py!}
+ ```
+
+!!! info
+ 👥 🚮 🏗 `SessionLocal()` & 🚚 📨 `try` 🍫.
+
+ & ⤴️ 👥 🔐 ⚫️ `finally` 🍫.
+
+ 👉 🌌 👥 ⚒ 💭 💽 🎉 🕧 📪 ⏮️ 📨. 🚥 📤 ⚠ ⏪ 🏭 📨.
+
+### 🔃 `request.state`
+
+`request.state` 🏠 🔠 `Request` 🎚. ⚫️ 📤 🏪 ❌ 🎚 📎 📨 ⚫️, 💖 💽 🎉 👉 💼. 👆 💪 ✍ 🌅 🔃 ⚫️ <a href="https://www.starlette.io/requests/#other-state" class="external-link" target="_blank">💃 🩺 🔃 `Request` 🇵🇸</a>.
+
+👥 👉 💼, ⚫️ ℹ 👥 🚚 👁 💽 🎉 ⚙️ 🔘 🌐 📨, & ⤴️ 🔐 ⏮️ (🛠️).
+
+### 🔗 ⏮️ `yield` ⚖️ 🛠️
+
+❎ **🛠️** 📥 🎏 ⚫️❔ 🔗 ⏮️ `yield` 🔨, ⏮️ 🔺:
+
+* ⚫️ 🚚 🌖 📟 & 👄 🌅 🏗.
+* 🛠️ ✔️ `async` 🔢.
+ * 🚥 📤 📟 ⚫️ 👈 ✔️ "⌛" 🕸, ⚫️ 💪 "🍫" 👆 🈸 📤 & 📉 🎭 🍖.
+ * 👐 ⚫️ 🎲 🚫 📶 ⚠ 📥 ⏮️ 🌌 `SQLAlchemy` 👷.
+ * ✋️ 🚥 👆 🚮 🌖 📟 🛠️ 👈 ✔️ 📚 <abbr title="input and output">👤/🅾</abbr> ⌛, ⚫️ 💪 ⤴️ ⚠.
+* 🛠️ 🏃 *🔠* 📨.
+ * , 🔗 🔜 ✍ 🔠 📨.
+ * 🕐❔ *➡ 🛠️* 👈 🍵 👈 📨 🚫 💪 💽.
+
+!!! tip
+ ⚫️ 🎲 👍 ⚙️ 🔗 ⏮️ `yield` 🕐❔ 👫 🥃 ⚙️ 💼.
+
+!!! info
+ 🔗 ⏮️ `yield` 🚮 ⏳ **FastAPI**.
+
+ ⏮️ ⏬ 👉 🔰 🕴 ✔️ 🖼 ⏮️ 🛠️ & 📤 🎲 📚 🈸 ⚙️ 🛠️ 💽 🎉 🧾.
--- /dev/null
+# 🎻 📁
+
+👆 💪 🍦 🎻 📁 🔁 ⚪️➡️ 📁 ⚙️ `StaticFiles`.
+
+## ⚙️ `StaticFiles`
+
+* 🗄 `StaticFiles`.
+* "🗻" `StaticFiles()` 👐 🎯 ➡.
+
+```Python hl_lines="2 6"
+{!../../../docs_src/static_files/tutorial001.py!}
+```
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.staticfiles import StaticFiles`.
+
+ **FastAPI** 🚚 🎏 `starlette.staticfiles` `fastapi.staticfiles` 🏪 👆, 👩💻. ✋️ ⚫️ 🤙 👟 🔗 ⚪️➡️ 💃.
+
+### ⚫️❔ "🗜"
+
+"🗜" ⛓ ❎ 🏁 "🔬" 🈸 🎯 ➡, 👈 ⤴️ ✊ 💅 🚚 🌐 🎧-➡.
+
+👉 🎏 ⚪️➡️ ⚙️ `APIRouter` 🗻 🈸 🍕 🔬. 🗄 & 🩺 ⚪️➡️ 👆 👑 🈸 🏆 🚫 🔌 🕳 ⚪️➡️ 🗻 🈸, ♒️.
+
+👆 💪 ✍ 🌅 🔃 👉 **🏧 👩💻 🦮**.
+
+## ℹ
+
+🥇 `"/static"` 🔗 🎧-➡ 👉 "🎧-🈸" 🔜 "🗻" 🔛. , 🙆 ➡ 👈 ▶️ ⏮️ `"/static"` 🔜 🍵 ⚫️.
+
+`directory="static"` 🔗 📛 📁 👈 🔌 👆 🎻 📁.
+
+`name="static"` 🤝 ⚫️ 📛 👈 💪 ⚙️ 🔘 **FastAPI**.
+
+🌐 👫 🔢 💪 🎏 🌘 "`static`", 🔆 👫 ⏮️ 💪 & 🎯 ℹ 👆 👍 🈸.
+
+## 🌅 ℹ
+
+🌖 ℹ & 🎛 ✅ <a href="https://www.starlette.io/staticfiles/" class="external-link" target="_blank">💃 🩺 🔃 🎻 📁</a>.
--- /dev/null
+# 🔬
+
+👏 <a href="https://www.starlette.io/testclient/" class="external-link" target="_blank">💃</a>, 🔬 **FastAPI** 🈸 ⏩ & 😌.
+
+⚫️ ⚓️ 🔛 <a href="https://www.python-httpx.org" class="external-link" target="_blank">🇸🇲</a>, ❔ 🔄 🏗 ⚓️ 🔛 📨, ⚫️ 📶 😰 & 🏋️.
+
+⏮️ ⚫️, 👆 💪 ⚙️ <a href="https://docs.pytest.org/" class="external-link" target="_blank">✳</a> 🔗 ⏮️ **FastAPI**.
+
+## ⚙️ `TestClient`
+
+!!! info
+ ⚙️ `TestClient`, 🥇 ❎ <a href="https://www.python-httpx.org" class="external-link" target="_blank">`httpx`</a>.
+
+ 🤶 Ⓜ. `pip install httpx`.
+
+🗄 `TestClient`.
+
+✍ `TestClient` 🚶♀️ 👆 **FastAPI** 🈸 ⚫️.
+
+✍ 🔢 ⏮️ 📛 👈 ▶️ ⏮️ `test_` (👉 🐩 `pytest` 🏛).
+
+⚙️ `TestClient` 🎚 🎏 🌌 👆 ⏮️ `httpx`.
+
+✍ 🙅 `assert` 📄 ⏮️ 🐩 🐍 🧬 👈 👆 💪 ✅ (🔄, 🐩 `pytest`).
+
+```Python hl_lines="2 12 15-18"
+{!../../../docs_src/app_testing/tutorial001.py!}
+```
+
+!!! tip
+ 👀 👈 🔬 🔢 😐 `def`, 🚫 `async def`.
+
+ & 🤙 👩💻 😐 🤙, 🚫 ⚙️ `await`.
+
+ 👉 ✔ 👆 ⚙️ `pytest` 🔗 🍵 🤢.
+
+!!! note "📡 ℹ"
+ 👆 💪 ⚙️ `from starlette.testclient import TestClient`.
+
+ **FastAPI** 🚚 🎏 `starlette.testclient` `fastapi.testclient` 🏪 👆, 👩💻. ✋️ ⚫️ 👟 🔗 ⚪️➡️ 💃.
+
+!!! tip
+ 🚥 👆 💚 🤙 `async` 🔢 👆 💯 ↖️ ⚪️➡️ 📨 📨 👆 FastAPI 🈸 (✅ 🔁 💽 🔢), ✔️ 👀 [🔁 💯](../advanced/async-tests.md){.internal-link target=_blank} 🏧 🔰.
+
+## 🎏 💯
+
+🎰 🈸, 👆 🎲 🔜 ✔️ 👆 💯 🎏 📁.
+
+& 👆 **FastAPI** 🈸 5️⃣📆 ✍ 📚 📁/🕹, ♒️.
+
+### **FastAPI** 📱 📁
+
+➡️ 💬 👆 ✔️ 📁 📊 🔬 [🦏 🈸](./bigger-applications.md){.internal-link target=_blank}:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ └── main.py
+```
+
+📁 `main.py` 👆 ✔️ 👆 **FastAPI** 📱:
+
+
+```Python
+{!../../../docs_src/app_testing/main.py!}
+```
+
+### 🔬 📁
+
+⤴️ 👆 💪 ✔️ 📁 `test_main.py` ⏮️ 👆 💯. ⚫️ 💪 🖖 🔛 🎏 🐍 📦 (🎏 📁 ⏮️ `__init__.py` 📁):
+
+``` hl_lines="5"
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+│ └── test_main.py
+```
+
+↩️ 👉 📁 🎏 📦, 👆 💪 ⚙️ ⚖ 🗄 🗄 🎚 `app` ⚪️➡️ `main` 🕹 (`main.py`):
+
+```Python hl_lines="3"
+{!../../../docs_src/app_testing/test_main.py!}
+```
+
+...& ✔️ 📟 💯 💖 ⏭.
+
+## 🔬: ↔ 🖼
+
+🔜 ➡️ ↔ 👉 🖼 & 🚮 🌖 ℹ 👀 ❔ 💯 🎏 🍕.
+
+### ↔ **FastAPI** 📱 📁
+
+➡️ 😣 ⏮️ 🎏 📁 📊 ⏭:
+
+```
+.
+├── app
+│ ├── __init__.py
+│ ├── main.py
+│ └── test_main.py
+```
+
+➡️ 💬 👈 🔜 📁 `main.py` ⏮️ 👆 **FastAPI** 📱 ✔️ 🎏 **➡ 🛠️**.
+
+⚫️ ✔️ `GET` 🛠️ 👈 💪 📨 ❌.
+
+⚫️ ✔️ `POST` 🛠️ 👈 💪 📨 📚 ❌.
+
+👯♂️ *➡ 🛠️* 🚚 `X-Token` 🎚.
+
+=== "🐍 3️⃣.6️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/app_testing/app_b/main.py!}
+ ```
+
+=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"
+
+ ```Python
+ {!> ../../../docs_src/app_testing/app_b_py310/main.py!}
+ ```
+
+### ↔ 🔬 📁
+
+👆 💪 ⤴️ ℹ `test_main.py` ⏮️ ↔ 💯:
+
+```Python
+{!> ../../../docs_src/app_testing/app_b/test_main.py!}
+```
+
+🕐❔ 👆 💪 👩💻 🚶♀️ ℹ 📨 & 👆 🚫 💭 ❔, 👆 💪 🔎 (🇺🇸🔍) ❔ ⚫️ `httpx`, ⚖️ ❔ ⚫️ ⏮️ `requests`, 🇸🇲 🔧 ⚓️ 🔛 📨' 🔧.
+
+⤴️ 👆 🎏 👆 💯.
+
+🤶 Ⓜ.:
+
+* 🚶♀️ *➡* ⚖️ *🔢* 🔢, 🚮 ⚫️ 📛 ⚫️.
+* 🚶♀️ 🎻 💪, 🚶♀️ 🐍 🎚 (✅ `dict`) 🔢 `json`.
+* 🚥 👆 💪 📨 *📨 💽* ↩️ 🎻, ⚙️ `data` 🔢 ↩️.
+* 🚶♀️ *🎚*, ⚙️ `dict` `headers` 🔢.
+* *🍪*, `dict` `cookies` 🔢.
+
+🌖 ℹ 🔃 ❔ 🚶♀️ 💽 👩💻 (⚙️ `httpx` ⚖️ `TestClient`) ✅ <a href="https://www.python-httpx.org" class="external-link" target="_blank">🇸🇲 🧾</a>.
+
+!!! info
+ 🗒 👈 `TestClient` 📨 💽 👈 💪 🗜 🎻, 🚫 Pydantic 🏷.
+
+ 🚥 👆 ✔️ Pydantic 🏷 👆 💯 & 👆 💚 📨 🚮 💽 🈸 ⏮️ 🔬, 👆 💪 ⚙️ `jsonable_encoder` 🔬 [🎻 🔗 🔢](encoder.md){.internal-link target=_blank}.
+
+## 🏃 ⚫️
+
+⏮️ 👈, 👆 💪 ❎ `pytest`:
+
+<div class="termy">
+
+```console
+$ pip install pytest
+
+---> 100%
+```
+
+</div>
+
+⚫️ 🔜 🔍 📁 & 💯 🔁, 🛠️ 👫, & 📄 🏁 🔙 👆.
+
+🏃 💯 ⏮️:
+
+<div class="termy">
+
+```console
+$ pytest
+
+================ test session starts ================
+platform linux -- Python 3.6.9, pytest-5.3.5, py-1.8.1, pluggy-0.13.1
+rootdir: /home/user/code/superawesome-cli/app
+plugins: forked-1.1.3, xdist-1.31.0, cov-2.8.1
+collected 6 items
+
+---> 100%
+
+test_main.py <span style="color: green; white-space: pre;">...... [100%]</span>
+
+<span style="color: green;">================= 1 passed in 0.03s =================</span>
+```
+
+</div>
--- /dev/null
+site_name: FastAPI
+site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
+site_url: https://fastapi.tiangolo.com/em/
+theme:
+ name: material
+ custom_dir: overrides
+ palette:
+ - media: '(prefers-color-scheme: light)'
+ scheme: default
+ primary: teal
+ accent: amber
+ toggle:
+ icon: material/lightbulb
+ name: Switch to light mode
+ - media: '(prefers-color-scheme: dark)'
+ scheme: slate
+ primary: teal
+ accent: amber
+ toggle:
+ icon: material/lightbulb-outline
+ name: Switch to dark mode
+ features:
+ - search.suggest
+ - search.highlight
+ - content.tabs.link
+ icon:
+ repo: fontawesome/brands/github-alt
+ logo: https://fastapi.tiangolo.com/img/icon-white.svg
+ favicon: https://fastapi.tiangolo.com/img/favicon.png
+ language: en
+repo_name: tiangolo/fastapi
+repo_url: https://github.com/tiangolo/fastapi
+edit_uri: ''
+plugins:
+- search
+- markdownextradata:
+ data: data
+nav:
+- FastAPI: index.md
+- Languages:
+ - en: /
+ - az: /az/
+ - de: /de/
+ - em: /em/
+ - es: /es/
+ - fa: /fa/
+ - fr: /fr/
+ - he: /he/
+ - hy: /hy/
+ - id: /id/
+ - it: /it/
+ - ja: /ja/
+ - ko: /ko/
+ - nl: /nl/
+ - pl: /pl/
+ - pt: /pt/
+ - ru: /ru/
+ - sq: /sq/
+ - sv: /sv/
+ - ta: /ta/
+ - tr: /tr/
+ - uk: /uk/
+ - zh: /zh/
+- features.md
+- fastapi-people.md
+- python-types.md
+- 🔰 - 👩💻 🦮:
+ - tutorial/index.md
+ - tutorial/first-steps.md
+ - tutorial/path-params.md
+ - tutorial/query-params.md
+ - tutorial/body.md
+ - tutorial/query-params-str-validations.md
+ - tutorial/path-params-numeric-validations.md
+ - tutorial/body-multiple-params.md
+ - tutorial/body-fields.md
+ - tutorial/body-nested-models.md
+ - tutorial/schema-extra-example.md
+ - tutorial/extra-data-types.md
+ - tutorial/cookie-params.md
+ - tutorial/header-params.md
+ - tutorial/response-model.md
+ - tutorial/extra-models.md
+ - tutorial/response-status-code.md
+ - tutorial/request-forms.md
+ - tutorial/request-files.md
+ - tutorial/request-forms-and-files.md
+ - tutorial/handling-errors.md
+ - tutorial/path-operation-configuration.md
+ - tutorial/encoder.md
+ - tutorial/body-updates.md
+ - 🔗:
+ - tutorial/dependencies/index.md
+ - tutorial/dependencies/classes-as-dependencies.md
+ - tutorial/dependencies/sub-dependencies.md
+ - tutorial/dependencies/dependencies-in-path-operation-decorators.md
+ - tutorial/dependencies/global-dependencies.md
+ - tutorial/dependencies/dependencies-with-yield.md
+ - 💂♂:
+ - tutorial/security/index.md
+ - tutorial/security/first-steps.md
+ - tutorial/security/get-current-user.md
+ - tutorial/security/simple-oauth2.md
+ - tutorial/security/oauth2-jwt.md
+ - tutorial/middleware.md
+ - tutorial/cors.md
+ - tutorial/sql-databases.md
+ - tutorial/bigger-applications.md
+ - tutorial/background-tasks.md
+ - tutorial/metadata.md
+ - tutorial/static-files.md
+ - tutorial/testing.md
+ - tutorial/debugging.md
+- 🏧 👩💻 🦮:
+ - advanced/index.md
+ - advanced/path-operation-advanced-configuration.md
+ - advanced/additional-status-codes.md
+ - advanced/response-directly.md
+ - advanced/custom-response.md
+ - advanced/additional-responses.md
+ - advanced/response-cookies.md
+ - advanced/response-headers.md
+ - advanced/response-change-status-code.md
+ - advanced/advanced-dependencies.md
+ - 🏧 💂♂:
+ - advanced/security/index.md
+ - advanced/security/oauth2-scopes.md
+ - advanced/security/http-basic-auth.md
+ - advanced/using-request-directly.md
+ - advanced/dataclasses.md
+ - advanced/middleware.md
+ - advanced/sql-databases-peewee.md
+ - advanced/async-sql-databases.md
+ - advanced/nosql-databases.md
+ - advanced/sub-applications.md
+ - advanced/behind-a-proxy.md
+ - advanced/templates.md
+ - advanced/graphql.md
+ - advanced/websockets.md
+ - advanced/events.md
+ - advanced/custom-request-and-route.md
+ - advanced/testing-websockets.md
+ - advanced/testing-events.md
+ - advanced/testing-dependencies.md
+ - advanced/testing-database.md
+ - advanced/async-tests.md
+ - advanced/settings.md
+ - advanced/conditional-openapi.md
+ - advanced/extending-openapi.md
+ - advanced/openapi-callbacks.md
+ - advanced/wsgi.md
+ - advanced/generate-clients.md
+- async.md
+- 🛠️:
+ - deployment/index.md
+ - deployment/versions.md
+ - deployment/https.md
+ - deployment/manually.md
+ - deployment/concepts.md
+ - deployment/deta.md
+ - deployment/server-workers.md
+ - deployment/docker.md
+- project-generation.md
+- alternatives.md
+- history-design-future.md
+- external-links.md
+- benchmarks.md
+- help-fastapi.md
+- contributing.md
+- release-notes.md
+markdown_extensions:
+- toc:
+ permalink: true
+- markdown.extensions.codehilite:
+ guess_lang: false
+- mdx_include:
+ base_path: docs
+- admonition
+- codehilite
+- extra
+- pymdownx.superfences:
+ custom_fences:
+ - name: mermaid
+ class: mermaid
+ format: !!python/name:pymdownx.superfences.fence_code_format ''
+- pymdownx.tabbed:
+ alternate_style: true
+- attr_list
+- md_in_html
+extra:
+ analytics:
+ provider: google
+ property: G-YNEVN69SC3
+ social:
+ - icon: fontawesome/brands/github-alt
+ link: https://github.com/tiangolo/fastapi
+ - icon: fontawesome/brands/discord
+ link: https://discord.gg/VQjSZaeJmf
+ - icon: fontawesome/brands/twitter
+ link: https://twitter.com/fastapi
+ - icon: fontawesome/brands/linkedin
+ link: https://www.linkedin.com/in/tiangolo
+ - icon: fontawesome/brands/dev
+ link: https://dev.to/tiangolo
+ - icon: fontawesome/brands/medium
+ link: https://medium.com/@tiangolo
+ - icon: fontawesome/solid/globe
+ link: https://tiangolo.com
+ alternate:
+ - link: /
+ name: en - English
+ - link: /az/
+ name: az
+ - link: /de/
+ name: de
+ - link: /em/
+ name: 😉
+ - link: /es/
+ name: es - español
+ - link: /fa/
+ name: fa
+ - link: /fr/
+ name: fr - français
+ - link: /he/
+ name: he
+ - link: /hy/
+ name: hy
+ - link: /id/
+ name: id
+ - link: /it/
+ name: it - italiano
+ - link: /ja/
+ name: ja - 日本語
+ - link: /ko/
+ name: ko - 한국어
+ - link: /nl/
+ name: nl
+ - link: /pl/
+ name: pl
+ - link: /pt/
+ name: pt - português
+ - link: /ru/
+ name: ru - русский язык
+ - link: /sq/
+ name: sq - shqip
+ - link: /sv/
+ name: sv - svenska
+ - link: /ta/
+ name: ta - தமிழ்
+ - link: /tr/
+ name: tr - Türkçe
+ - link: /uk/
+ name: uk - українська мова
+ - link: /zh/
+ name: zh - 汉语
+extra_css:
+- https://fastapi.tiangolo.com/css/termynal.css
+- https://fastapi.tiangolo.com/css/custom.css
+extra_javascript:
+- https://fastapi.tiangolo.com/js/termynal.js
+- https://fastapi.tiangolo.com/js/custom.js
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
- ru: /ru/
- sq: /sq/
- sv: /sv/
+ - ta: /ta/
- tr: /tr/
- uk: /uk/
- zh: /zh/
extra:
analytics:
provider: google
- property: UA-133183413-1
+ property: G-YNEVN69SC3
social:
- icon: fontawesome/brands/github-alt
link: https://github.com/tiangolo/fastapi
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
name: sq - shqip
- link: /sv/
name: sv - svenska
+ - link: /ta/
+ name: ta - தமிழ்
- link: /tr/
name: tr - Türkçe
- link: /uk/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
- he: /he/
+ - hy: /hy/
- id: /id/
- it: /it/
- ja: /ja/
extra:
analytics:
provider: google
- property: UA-133183413-1
+ property: G-YNEVN69SC3
social:
- icon: fontawesome/brands/github-alt
link: https://github.com/tiangolo/fastapi
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
name: fr - français
- link: /he/
name: he
+ - link: /hy/
+ name: hy
- link: /id/
name: id
- link: /it/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
- en: /
- az: /az/
- de: /de/
+ - em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
name: az
- link: /de/
name: de
+ - link: /em/
+ name: 😉
- link: /es/
name: es - español
- link: /fa/
projects / thirdparty / fastapi / fastapi.git / commitdiff
