fix: Move docker builds to native platforms #30
Workflow file for this run
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| name: Docker | |
| on: | |
| push: | |
| # Publish semver tags as releases. | |
| tags: [ 'v*.*.*' ] | |
| env: | |
| REGISTRY: docker.io | |
| IMAGE_NAME: fanout/pushpin | |
| jobs: | |
| build: | |
| # We use a matrix to run each docker container build for a specific platform on it's own native runner. | |
| # This avoids using virtualization and massively speeds up builds. | |
| strategy: | |
| matrix: | |
| platform: [linux/amd64, linux/arm64] | |
| include: | |
| - platform: linux/amd64 | |
| runner: ubuntu-latest | |
| - platform: linux/arm64 | |
| runner: ubuntu-24.04-arm | |
| name: Build ${{ matrix.platform }} | |
| runs-on: ${{ matrix.runner }} | |
| steps: | |
| - name: Code checkout | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Get source version | |
| run: echo "SOURCE_VERSION=$(grep VERSION compose.yaml | awk '{print $2}')" >> "$GITHUB_ENV" | |
| - name: Docker meta | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| flavor: | | |
| latest=false | |
| tags: | | |
| type=ref,event=branch,pattern={{branch}} | |
| type=semver,pattern={{version}},value=${{ env.SOURCE_VERSION }} | |
| - name: Derive arch-suffixed tags as output | |
| id: archtags | |
| run: | | |
| set -euo pipefail | |
| ARCH="$(echo '${{ matrix.platform }}' | cut -d/ -f2)" | |
| T="$(printf '%s\n' "${{ steps.meta.outputs.tags }}" | sed "s/$/-${ARCH}/")" | |
| { | |
| echo 'tags<<EOF' | |
| echo "$T" | |
| echo 'EOF' | |
| echo "arch=$ARCH" | |
| } >> "$GITHUB_OUTPUT" | |
| - name: Login to ${{ env.REGISTRY }} | |
| if: github.event_name != 'pull_request' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ secrets.DOCKER_USERNAME }} | |
| password: ${{ secrets.DOCKER_PASSWORD }} | |
| - name: Build & push ${{ matrix.platform }} | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| platforms: ${{ matrix.platform }} | |
| push: ${{ github.event_name != 'pull_request' }} | |
| build-args: | | |
| VERSION=${{ env.SOURCE_VERSION }} | |
| tags: ${{ steps.archtags.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| # In order to have a single tag that covers both archtectures we run one more job to create a multi-arch manifest | |
| # under a single tag. | |
| manifest: | |
| name: Create multi-arch manifest | |
| runs-on: ubuntu-latest | |
| needs: build | |
| steps: | |
| - name: Code checkout | |
| uses: actions/checkout@v4 | |
| - name: Get source version | |
| run: echo "SOURCE_VERSION=$(grep VERSION compose.yaml | awk '{print $2}')" >> "$GITHUB_ENV" | |
| - name: Docker meta (same base tags) | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| flavor: | | |
| latest=false | |
| tags: | | |
| type=ref,event=branch,pattern={{branch}} | |
| type=semver,pattern={{version}},value=${{ env.SOURCE_VERSION }} | |
| - name: Login | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ secrets.DOCKER_USERNAME }} | |
| password: ${{ secrets.DOCKER_PASSWORD }} | |
| - name: Create manifest for each base tag | |
| if: github.event_name != 'pull_request' | |
| run: | | |
| set -euo pipefail | |
| while IFS= read -r BASE; do | |
| echo "Preparing manifest for $BASE" | |
| AMD="${BASE}-amd64" | |
| ARM="${BASE}-arm64" | |
| # Skip if one arch is missing | |
| docker buildx imagetools inspect "$AMD" | |
| docker buildx imagetools inspect "$ARM" | |
| docker buildx imagetools create \ | |
| --tag "$BASE" \ | |
| "$AMD" \ | |
| "$ARM" | |
| echo "OK: $BASE now points to $AMD + $ARM" | |
| done <<'EOF' | |
| ${{ steps.meta.outputs.tags }} | |
| EOF |