docker/bake-action v6.6.0

Use bake-action instead of build-and-push action.

.gitea/workflows/ci.yaml

@@ -109,11 +109,15 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Docker build and push
-        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1 # v6.16.0
+        uses: docker/bake-action@76f9fa3a758507623da19f6092dc4089a7e61592 # v6.6.0
         with:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          targets: [ "bookworm" ]
+          files: |
+            ./docker-bake.hcl
+            cwd://${{ steps.meta.outputs.bake-file }}
 
       - name: Setup Helm
         uses: azure/setup-helm@b9e51907a09c216f16ebe8536097933489208112 # v4.3.0

docker-bake.hcl

@@ -0,0 +1,18 @@
+group "default" {
+    targets = [ "bookworm", "alpine" ]
+}
+target "_common" {
+    args = {
+        RUBY_VERSION = "3.4.3"
+    }
+}
+
+target "bookworm" {
+    dockerfile = "./dockerfiles/bookworm.Dockerfile"
+    inherits = [ "_common" ]
+}
+
+target "alpine" {
+    dockerfile = "./dockerfiles/alpine.Dockerfile"
+    inherits = [ "_common" ]
+}