Add new workflow to build Docker Images

.github/workflows/docker_publish.yml

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+name: Build & Publish Docker Images
+
+on:
+  push:
+    branches: [ 'main' ]
+  pull_request:
+
+env:
+  REGISTRY: ghcr.io
+  NAMESPACED_REGISTRY: ghcr.io/apollographql/ci-utility-docker-images
+
+jobs:
+  calculate-images-to-build:
+    name: Calculate Images To Build
+    runs-on: ubuntu-latest
+    outputs:
+      changed_dirs: ${{ steps.filter_config_directories.outputs.changed_dirs }}
+    steps:
+      - name: "Checkout repository"
+        uses: actions/checkout@v4
+      - name: "Calculate changed files directories"
+        id: calculate_changed_files
+        uses: tj-actions/changed-files@v44
+        with:
+          dir_names: true
+          dir_names_exclude_current_dir: true
+          json: true
+      - name: "Filter out config directories"
+        id: filter_config_directories
+        run: |
+          CHANGED_DIRS=$(echo "${{ steps.calculate_changed_files.outputs.all_changed_files }}" | jq -c '[.[] | select(. |  contains(".") | not)'])
+          echo "changed_dirs=$CHANGED_DIRS" >> "$GITHUB_OUTPUT"
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    needs:
+      - calculate-images-to-build
+    strategy:
+      matrix:
+        changed_dir: ${{ fromJSON(needs.calculate-images-to-build.outputs.changed_dirs ) }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Log in to the Container Registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract Details From config.yml
+        id: extract_from_config_yaml
+        run: |
+          echo "desired_version=$(cat ${{ github.workspace }}/${{ matrix.changed_dir }}/config.yml | yq '.version')" >> "$GITHUB_OUTPUT"
+          echo "platforms=$(cat ${{ github.workspace }}/${{ matrix.changed_dir }}/config.yml | yq '.platforms | join(",")')" >> "$GITHUB_OUTPUT"
+      - name: Check Image to Build Does Not Already Exist
+        run: |
+          if docker manifest inspect ${{ env.NAMESPACED_REGISTRY }}/${{ matrix.changed_dir }}:${{ steps.extract_from_config_yaml.outputs.desired_version }} > /dev/null; then
+            echo "The tag "${{ env.NAMESPACED_REGISTRY }}/${{ matrix.changed_dir }}:${{ steps.extract_from_config_yaml.outputs.desired_version }}" already exists in the repository. Do you need to bump the version in the config.yml?"
+            exit 1
+          fi
+      - name: Calculate Version
+        id: calculate_version
+        run: |
+          VERSION=${{ github.event_name == 'pull_request' && format('{0}-PR{1}.{2}', steps.extract_from_config_yaml.outputs.desired_version, github.event.number, github.event.pull_request.head.sha) || steps.extract_from_config_yaml.outputs.desired_version}}
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Get Docker Metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.NAMESPACED_REGISTRY }}/${{ matrix.changed_dir }}
+          tags: |
+            type=semver,pattern={{version}},value=v${{ steps.calculate_version.outputs.version }}
+            type=sha
+      - name: Build and Push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ github.workspace }}/${{ matrix.changed_dir }}
+          file: ${{ github.workspace }}/${{ matrix.changed_dir }}/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ steps.extract_from_config_yaml.outputs.platforms }}
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.NAMESPACED_REGISTRY }}/${{ matrix.changed_dir }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true
+      - name: Create Git Tag
+        if: ${{ github.event_name != 'pull_request' }}
+        uses: mathieudutour/github-tag-action@v6.2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          default_bump: false
+          default_prerelease_bump: false
+          custom_tag: ${{ matrix.changed_dir }}/v${{ steps.calculate_version.outputs.version }}
+      - name: Create GitHub Release
+        if: ${{ github.event_name != 'pull_request' }}
+        uses: comnoco/create-release-action@v2.0.5
+        with:
+          tag_name: ${{ matrix.changed_dir }}/v${{ steps.calculate_version.outputs.version }}
+          release_name: ${{ matrix.changed_dir }} - v${{ steps.calculate_version.outputs.version }}
+
+
+

binary-builder-glibc/config.yml

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+version: 0.1.0
+platforms:
+  - linux/arm64
+  - linux/amd64

binary-builder-musl/config.yml

@@ -0,0 +1,4 @@
+version: 0.1.0
+platforms:
+  - linux/arm64
+  - linux/amd64