Update Docker setup-buildx-action to v3, modify Caddyfile to support …

…on-demand TLS and DynamoDB storage, and include caddy-mysql-storage in Dockerfile.

.github/workflows/caddy.yaml

@@ -52,6 +52,7 @@ jobs:
           - {tag: "2.7", builder_tag: "2.7-builder", platforms: "linux/arm/v7,linux/arm64,linux/amd64"}
           - {tag: "2.7.5", builder_tag: "2.7.5-builder", platforms: "linux/arm/v7,linux/arm64,linux/amd64"}
           - {tag: "latest", builder_tag: "builder", platforms: "linux/arm/v7,linux/arm64,linux/amd64"}
+
     steps:
       - name: Check out code
         uses: actions/checkout@v3
@@ -68,7 +69,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to Docker Hub
         uses: docker/login-action@v2

caddy/Dockerfile

@@ -5,6 +5,7 @@ FROM caddy:${CADDY_BUILDER_TAG} AS builder
 
 RUN xcaddy build \
     --with github.com/silinternational/certmagic-storage-dynamodb/v3 \
+    --with github.com/zhangjiayin/caddy-mysql-storage \
     --with github.com/caddy-dns/powerdns
 
 # TODO: Build the octane image locally and use it here, instead of pulling from dockerhub

caddy/etc/caddy/Caddyfile

@@ -1,22 +1,22 @@
 {
-    http_port 80
-    https_port 443
+	on_demand_tls {
+		ask {$CADDY_ORIGIN_DOMAIN_CHECK_URL}
+	}
 
-    on_demand_tls {
-        ask {$ORIGIN_DOMAIN_CHECK_URL}
-    }
+	storage dynamodb {$CADDY_DYNAMODB_TABLE_NAME} {
+		aws_region {$CADDY_DYNAMODB_AWS_REGION}
+	}
+}
 
-    storage dynamodb {$DYNAMODB_TABLE_NAME} {
-        aws_region {$AWS_REGION}
-    }
+:80 {
+	reverse_proxy {$CADDY_ORIGIN_URL}
 }
 
-## TODO: Allow configuring multiple origin URL/Servers
-: {
-    tls {$LETS_ENCRYPT_EMAIL} {
-        on_demand
-        dns powerdns {$POWERDNS_SERVER_URL} {$POWERDNS_API_TOKEN}
-    }
+:443 {
+	tls {$CADDY_LETS_ENCRYPT_EMAIL} {
+		on_demand
+		dns powerdns {$CADDY_POWERDNS_SERVER_URL} {$CADDY_POWERDNS_API_TOKEN}
+	}
 
-    reverse_proxy {$ORIGIN_URL}
+	reverse_proxy {$CADDY_ORIGIN_URL}
 }