test: docker buildx

.dockerignore

@@ -1,5 +1,5 @@
 ./target
-Dockerfile
+Dockerfile*
 *.swp
 .dockerignore
 .gitignore

.github/workflows/build-image.yaml

@@ -8,7 +8,6 @@ on:
     tags: ['*']
 
 env:
-  IMG_TAGS: ${{ github.sha }}
   IMG_REGISTRY_HOST: quay.io
   IMG_REGISTRY_ORG: kuadrant
   MAIN_BRANCH_NAME: main
@@ -17,43 +16,108 @@ jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - dockerfile: ./Dockerfile
+            platform: linux/amd64
+          - dockerfile: ./Dockerfile.aarch64
+            platform: linux/arm64
     steps:
       - name: Check out code
         uses: actions/checkout@v4
-      - name: Add latest tag
-        if: ${{ github.ref_name == env.MAIN_BRANCH_NAME }}
-        run: |
-          echo "IMG_TAGS=${{ env.IMG_TAGS }} latest" >> $GITHUB_ENV
-      - name: Add branch name tag
-        if: ${{ github.ref_name != env.MAIN_BRANCH_NAME }}
-        run: |
-          echo "IMG_TAGS=${{ env.IMG_TAGS }} ${{ github.ref_name }}" >> $GITHUB_ENV
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      - name: Build Image
-        id: build-image
-        uses: redhat-actions/buildah-build@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador
+      - name: Login to container registry
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.IMG_REGISTRY_USERNAME }}
+          password: ${{ secrets.IMG_REGISTRY_TOKEN }}
+          registry: ${{ env.IMG_REGISTRY_HOST }}
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v5
         with:
-          image: limitador
-          tags: ${{ env.IMG_TAGS }}
-          platforms: linux/amd64,linux/arm64
-          dockerfiles: |
-            ./Dockerfile
-          build-args: |
-            GITHUB_SHA=${{ github.sha }}
-      - name: Smoke Test
+          context: .
+          labels: ${{ steps.meta.outputs.labels }}
+#          build-args: |
+#            GITHUB_SHA=${{ github.sha }}
+          cache-from: type=gha,scope=${{ matrix.platform == 'linux/amd64' && 'build-amd' || 'build-arm'}}
+          cache-to: type=gha,mode=max,scope=${{ matrix.platform == 'linux/amd64' && 'build-amd' || 'build-arm'}}
+          outputs: type=image,name=${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador,push-by-digest=true,name-canonical=true,push=true
+          file: ${{ matrix.dockerfile }}
+          platforms: |
+            ${{ matrix.platform }}
+#      - name: Smoke Test
+#        run: |
+#          docker run --rm -t ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador:${{ github.sha }} limitador-server --help
+      - name: Export digest
         run: |
-          podman run --rm -t ${{ steps.build-image.outputs.image }}:${{ github.sha }} limitador-server --help
-      - name: Push Image
-        if: ${{ !env.ACT }}
-        id: push-to-quay
-        uses: redhat-actions/push-to-registry@v2
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - name: Upload digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+#      - name: Push Image
+#        if: ${{ !env.ACT }}
+#        id: push-to-quay
+#        uses: redhat-actions/push-to-registry@v2
+#        with:
+#          image: ${{ steps.build-image.outputs.image }}
+#          tags: ${{ steps.build-image.outputs.tags }}
+#          registry: ${{ env.IMG_REGISTRY_HOST }}/${{ env.IMG_REGISTRY_ORG }}
+#          username: ${{ secrets.IMG_REGISTRY_USERNAME }}
+#          password: ${{ secrets.IMG_REGISTRY_TOKEN }}
+#      - name: Print Image URL
+#        run: |
+#          echo "Image pushed to ${{ steps.push-to-quay.outputs.registry-paths }}"
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador
+          tags: |
+            # type=raw,value=${{ github.sha }}
+            # set latest tag for main branch
+            # type=raw,value=latest,enable=${{ github.ref_name == env.MAIN_BRANCH_NAME }}
+            # set branch name tag for non-main branches
+            type=raw,value=${{ github.ref_name }},enable=${{ github.ref_name != env.MAIN_BRANCH_NAME }}
+      - name: Login to container registry
+        uses: docker/login-action@v2
         with:
-          image: ${{ steps.build-image.outputs.image }}
-          tags: ${{ steps.build-image.outputs.tags }}
-          registry: ${{ env.IMG_REGISTRY_HOST }}/${{ env.IMG_REGISTRY_ORG }}
           username: ${{ secrets.IMG_REGISTRY_USERNAME }}
           password: ${{ secrets.IMG_REGISTRY_TOKEN }}
-      - name: Print Image URL
+          registry: ${{ env.IMG_REGISTRY_HOST }}
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador@sha256:%s ' *)
+      - name: Inspect image
         run: |
-          echo "Image pushed to ${{ steps.push-to-quay.outputs.registry-paths }}"
+          docker buildx imagetools inspect ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador:${{ steps.meta.outputs.version }}