metaproxy/.github/workflows/docker.yml at master · indexdata/metaproxy · GitHub

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name: publish-image

on:
  workflow_dispatch:
  # TODO publish for releases
  workflow_run:
    workflows: ['Build metaproxy']
    types: [completed]
    branches: ['master']

env:
  REGISTRY: ghcr.io
  REGISTRY_IMAGE: ghcr.io/${{ github.repository }}

jobs:
  build-image:
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
    name: Build image (${{ matrix.os }}/${{ matrix.arch }})
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: linux
            arch: amd64
            runner: ubuntu-24.04
          - os: linux
            arch: arm64
            runner: ubuntu-24.04-arm
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=sha

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          platforms: ${{ matrix.os }}/${{ matrix.arch }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha,scope=metaproxy-${{ matrix.os }}-${{ matrix.arch }}
          cache-to: type=gha,scope=metaproxy-${{ matrix.os }}-${{ matrix.arch }},mode=max

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.os }}-${{ matrix.arch }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge-image:
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
    name: Merge image manifests
    runs-on: ubuntu-24.04
    needs:
      - build-image
    permissions:
      contents: read
      packages: write

    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=sha

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - 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_IMAGE }}@sha256:%s ' *)

      - name: Inspect image
        run: docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}