multiplatform matrix

.github/workflows/publish-and-test.yml

@@ -298,9 +298,17 @@ jobs:
           # Only show last 100 lines of each
           tail: "100"
 
-  build-and-push-image-backend:
+  build-backend:
     needs: [run-e2e-qa]
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
     permissions:
       contents: read
       packages: write
@@ -335,7 +343,6 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
-          platforms: linux/amd64,linux/arm64
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
@@ -344,14 +351,64 @@ jobs:
           cache-to: type=registry,ref=${{ env.DOCKER_TEST_NAME }}:buildcache,mode=max
           build-args: SKIP_SPOTLESS=true
 
+  merge-backend:
+    runs-on: ubuntu-latest
+    needs:
+      - build-backend
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.DOCKER_NAME }}
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - 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.DOCKER_NAME }}@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.DOCKER_NAME }}:${{ steps.meta.outputs.version }}
+
   build-and-push-image-frontend:
     needs: [run-e2e-qa]
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
     permissions:
       contents: read
       packages: write
 
     steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
       - name: Checkout repository
         uses: actions/checkout@v4
 
@@ -379,17 +436,16 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
-          platforms: linux/amd64,linux/arm64
           context: ./frontend
           file: ./frontend/Dockerfile.prod
           push: true
+          platforms: ${{ matrix.platform }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=registry,ref=${{ env.DOCKER_TEST_NAME }}-frontend:buildcache
           cache-to: type=registry,ref=${{ env.DOCKER_TEST_NAME }}-frontend:buildcache,mode=max
 
   build-and-push-image-proxy:
-    needs: [run-e2e-qa]
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -423,7 +479,6 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
-          platforms: linux/amd64,linux/arm64
           context: ./nginx-proxy
           push: true
           tags: ${{ steps.meta.outputs.tags }}
@@ -432,7 +487,6 @@ jobs:
           cache-to: type=registry,ref=${{ env.DOCKER_TEST_NAME }}-proxy:buildcache,mode=max
 
   build-and-push-image-fhir:
-    needs: [run-e2e-qa]
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -466,7 +520,6 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
-          platforms: linux/amd64,linux/arm64
           context: ./fhir
           push: true
           tags: ${{ steps.meta.outputs.tags }}