reduce image size #82
Workflow file for this run
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| name: Build image | |
| on: | |
| push: | |
| branches: [ "main" ] | |
| pull_request: | |
| branches: [ "main" ] | |
| permissions: | |
| contents: read | |
| packages: write | |
| id-token: write | |
| attestations: write | |
| env: | |
| REGISTRY: ghcr.io | |
| IMAGE_NAME: ${{ github.repository }} | |
| jobs: | |
| build-amd64: | |
| runs-on: ubuntu-24.04 | |
| outputs: | |
| digest: ${{ steps.build.outputs.digest }} | |
| steps: | |
| - name: Free disk | |
| run: | | |
| sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL || true | |
| docker system prune -af || true | |
| - uses: actions/checkout@v4 | |
| - uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - uses: docker/setup-qemu-action@v3 | |
| - uses: docker/setup-buildx-action@v3 | |
| - name: Build & push (amd64) | |
| id: build | |
| uses: docker/build-push-action@v6 | |
| with: | |
| platforms: linux/amd64 | |
| push: ${{ github.event_name == 'push' }} | |
| tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:amd64-${{ github.sha }} | |
| # Use GHA cache only (works on PRs). Swap to registry cache on pushes if you prefer. | |
| cache-from: type=gha,scope=${{ github.workflow }}-${{ runner.os }}-amd64 | |
| cache-to: type=gha,mode=min,scope=${{ github.workflow }}-${{ runner.os }}-amd64 | |
| provenance: false | |
| sbom: false | |
| secrets: | | |
| GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }} | |
| build-arm64: | |
| runs-on: ubuntu-24.04-arm | |
| outputs: | |
| digest: ${{ steps.build.outputs.digest }} | |
| steps: | |
| - name: Free disk | |
| run: | | |
| sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL || true | |
| docker system prune -af || true | |
| - uses: actions/checkout@v4 | |
| - uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - uses: docker/setup-qemu-action@v3 | |
| - uses: docker/setup-buildx-action@v3 | |
| - name: Build & push (arm64) | |
| id: build | |
| uses: docker/build-push-action@v6 | |
| with: | |
| platforms: linux/arm64 | |
| push: ${{ github.event_name == 'push' }} | |
| tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:arm64-${{ github.sha }} | |
| cache-from: type=gha,scope=${{ github.workflow }}-${{ runner.os }}-arm64 | |
| cache-to: type=gha,mode=min,scope=${{ github.workflow }}-${{ runner.os }}-arm64 | |
| provenance: false | |
| sbom: false | |
| secrets: | | |
| GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }} | |
| manifest-and-attest: | |
| if: ${{ github.event_name == 'push' }} | |
| runs-on: ubuntu-latest | |
| needs: [build-amd64, build-arm64] | |
| steps: | |
| - uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Stitch multi-arch manifest (:latest and :sha) | |
| run: | | |
| docker buildx imagetools create \ | |
| -t "$REGISTRY/$IMAGE_NAME:latest" \ | |
| -t "$REGISTRY/$IMAGE_NAME:${GITHUB_SHA}" \ | |
| "$REGISTRY/$IMAGE_NAME@${{ needs.build-amd64.outputs.digest }}" \ | |
| "$REGISTRY/$IMAGE_NAME@${{ needs.build-arm64.outputs.digest }}" | |
| - name: Get manifest digest | |
| id: manifest | |
| run: | | |
| DIGEST=$(docker buildx imagetools inspect "$REGISTRY/$IMAGE_NAME:latest" | awk '/^Digest:/{print $2; exit}') | |
| echo "digest=$DIGEST" >> "$GITHUB_OUTPUT" | |
| - name: Generate artifact attestation | |
| uses: actions/attest-build-provenance@v2 | |
| with: | |
| push-to-registry: true | |
| subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| subject-digest: ${{ steps.manifest.outputs.digest }} |