According to https://community.letsencrypt.org/t/quick-start-guide/1631
Renewals and Lifetimes:
Certificates from Let's Encrypt are valid for 90 days. We recommend
renewing them every 60 days to provide a nice margin of error.
# default: <unset>
#HOOK=
-# Minimum days before expiration to automatically renew certificate (default: 14)
-#RENEW_DAYS="14"
+# Minimum days before expiration to automatically renew certificate (default: 30)
+#RENEW_DAYS="30"
# Regenerate private keys instead of just signing new certificates on renewal (default: no)
#PRIVATE_KEY_RENEW="no"
CA="https://acme-v01.api.letsencrypt.org/directory"
LICENSE="https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf"
HOOK=
-RENEW_DAYS="14"
+RENEW_DAYS="30"
PRIVATE_KEY=
KEYSIZE="4096"
WELLKNOWN=
echo 'CA="https://testca.kurz.pw/directory"' > config.sh
echo 'LICENSE="https://testca.kurz.pw/terms/v1"' >> config.sh
echo 'WELLKNOWN=".acme-challenges/.well-known/acme-challenge"' >> config.sh
+echo 'RENEW_DAYS="14"' >> config.sh
touch domains.txt
# Check if help command is working