hookbuffer/.github/workflows/build-docker.yml at main · cbackas/hookbuffer · GitHub

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name: Docker Build
on:
  workflow_call:
    inputs:
      tag:
        required: false
        type: string
      no_push:
        required: false
        type: boolean
        default: false
  workflow_dispatch:
    inputs:
      tag:
        required: false
        description: 'Tag to build and push'
        type: string
env:
  REGISTRY_IMAGE: ghcr.io/cbackas/hookbuffer
jobs:
  build-docker:
    runs-on: ${{ matrix.platform }}
    permissions:
      contents: read
      packages: write
    strategy:
      fail-fast: false
      matrix:
        platform:
          - ubuntu-latest
          - ubuntu-24.04-arm
    steps:
      - uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v6
        id: build
        with:
          labels: ${{ steps.meta.outputs.labels }}
          tags: ${{ env.REGISTRY_IMAGE }}
          outputs: type=image,push-by-digest=true,name-canonical=true,push=${{ !inputs.no_push }}
          cache-from: type=gha,scope=build-${{ matrix.platform }}
          cache-to: type=gha,scope=build-${{ matrix.platform }}

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

      - name: Upload digest
        uses: actions/upload-artifact@v4
        if: ${{ !inputs.no_push }}
        with:
          name: digests-${{ matrix.platform }}
          path: ${{ runner.temp }}/digests/*
          if-no-files-found: error
          retention-days: 1
  merge-docker-digests:
    runs-on: ubuntu-latest
    needs: build-docker
    if: ${{ !inputs.no_push }}
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-*
          merge-multiple: true

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/setup-buildx-action@v3

      - uses: docker/metadata-action@v5
        id: meta
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
            type=raw,value=${{ inputs.tag }},enable=${{ inputs.tag != '' }}
            type=ref,event=pr

      - name: Create manifest list and push
        working-directory: ${{ runner.temp }}/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 }}