Add docker.yaml to master branch

diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
new file mode 100644 (file)
index 0000000..270d579
--- /dev/null
+++ b/.github/workflows/docker.yaml
@@ -0,0 +1,89 @@
+# Builds & pushes a docker image when a tag is created.
+# Tag pattern: '[tag]' & '[tag]-classic'
+# 'latest' & 'classic' also, when master tagged.
+
+# Only pushes the tag when it matches one of the following patterns:
+# X, X.Y or X.Y.Z
+
+name: Build and push Docker images...
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - '[0-9]+'                 # X
+      - '[0-9]+\.[0-9]+'         # X.Y
+      - '[0-9]+\.[0-9]+\.[0-9]+' # X.Y.Z
+
+env:
+  DOCKER_PLATFORMS: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+  NQPTP_BRANCH: main
+  LATEST_TAG: false
+
+jobs:
+  main:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+
+      - name: Set SHAIRPORT_SYNC_BRANCH env.
+        run: |
+          raw=$(git branch -r --contains ${{ github.ref }})
+          branch=${raw##*/}
+          echo "SHAIRPORT_SYNC_BRANCH=${branch}" >> $GITHUB_ENV
+
+      - name: Set tag env
+        run: echo "GIT_TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+      - name: Is branch "development"?
+        if: ${{ env.SHAIRPORT_SYNC_BRANCH == 'development' }}
+        run: |
+          echo "NQPTP_BRANCH=development" >> $GITHUB_ENV
+
+      - name: Is branch "danger-2301"?
+        if: ${{ env.SHAIRPORT_SYNC_BRANCH == 'danger-2301' }}
+        run: |
+          echo "NQPTP_BRANCH=development" >> $GITHUB_ENV
+      
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3.6.0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.10.0
+
+      - name: Login to Docker Registry
+        uses: docker/login-action@v3.4.0
+        with:
+          # registry: docker.io # default
+          username: ${{ secrets.DOCKER_REGISTRY_USER }}
+          password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
+
+      - name: Build and push (classic)
+        uses: docker/build-push-action@v6.15.0
+        with:
+          context: ./
+          file: ./docker/classic/Dockerfile
+          platforms: ${{ env.DOCKER_PLATFORMS }}
+          push: true
+          tags: |
+            ${{ secrets.DOCKER_IMAGE_NAME }}:${{ env.GIT_TAG }}-classic
+            ${{ env.LATEST_TAG == 'true' && format('{0}:classic', secrets.DOCKER_IMAGE_NAME) || '' }}
+          build-args: |
+            SHAIRPORT_SYNC_BRANCH=${{ env.SHAIRPORT_SYNC_BRANCH }}
+ 
+      - name: Build and Push AirPlay 2 Version
+        uses: docker/build-push-action@v6.15.0
+        with:
+          context: ./
+          file: ./docker/Dockerfile
+          platforms: ${{ env.DOCKER_PLATFORMS }}
+          push: true
+          tags: |
+            mikebrady/sps-private:${{ env.GIT_TAG }}
+            mikebrady/sps-private:latest
+          build-args: |
+            SHAIRPORT_SYNC_BRANCH=${{ env.SHAIRPORT_SYNC_BRANCH }}
+            NQPTP_BRANCH=${{ env.NQPTP_BRANCH }}