Merge pull request #112 from HIRO-MicroDataCenters-BV/aarch64-support

[aarch64 support] pushing merged manifests for different platforms built by separate runners

.github/workflows/build.yaml

@@ -113,6 +113,7 @@ jobs:
           - linux/arm64
         isMain:
           - ${{ github.ref == 'refs/heads/main' }}
+
         exclude:
           # ARM build is very slow, we build only for main branch
           - platform: "linux/arm64"
@@ -126,6 +127,11 @@ jobs:
       packages: write
 
     steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
@@ -162,12 +168,87 @@ jobs:
           tags: ${{ env.DOCKER_TAGS }}
 
       - name: Build and push docker image
-        uses: docker/build-push-action@v5
+        id: build
+        uses: docker/build-push-action@v6
         with:
           push: true
           platforms: ${{ matrix.platform }}
-          tags: ${{ env.DOCKER_IMAGES }}
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha,scope=${{ env.BRANCH_NAME }}
-          cache-to: type=gha,mode=max,scope=${{ env.BRANCH_NAME }}
+          outputs: type=image,name=${{ env.DOCKER_TAGS }},push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha,scope=build-${{ env.PLATFORM_PAIR }}
+          cache-to: type=gha,mode=max,scope=build-${{ env.PLATFORM_PAIR }}
           github-token: ${{ github.token }}
+
+      - name: Export Digest
+        run: |
+          digest="${{ steps.build.outputs.digest }}"
+          [ "$digest" ] || exit 1
+          mkdir -p /tmp/digests
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload Digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge-manifests:
+    name: Docker Build / Merge Manifests
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      packages: write
+
+    needs:
+      - build-docker
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Make versions
+        run: |
+          cd "${{ github.workspace }}"
+          chmod +x ./version.sh
+          ./version.sh "${{ github.sha }}" "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
+          echo "VERSION_APP=$(cat "./VERSION")" >> $GITHUB_ENV
+          echo "DOCKER_IMAGES=$(cat "./DOCKER_IMAGES")" >> $GITHUB_ENV
+          echo "DOCKER_TAGS=$(cat "./VERSION_DOCKER")" >> $GITHUB_ENV
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: ${{ env.DOCKER_TAGS }}
+
+      - 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.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)          
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}