name: Publish
on:
  workflow_run:
    workflows: [ "CI" ]
    types: [ "completed" ]
permissions:
  contents: read
concurrency:
  group: publish-${{ github.event.workflow_run.id || github.ref }}
  cancel-in-progress: false
jobs:
  docker-clean-metadata:
    if: |
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.event == 'push' &&
      (
        github.event.workflow_run.head_branch == 'main' ||
        startsWith(github.event.workflow_run.head_branch || '', 'v')
      )
    runs-on: ubuntu-latest
    outputs:
      json: ${{ steps.meta.outputs.json }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.workflow_run.head_sha }}
          fetch-depth: 0
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest,enable=${{ github.event.workflow_run.head_branch == 'main' }}
            type=semver,pattern={{raw}},value=${{ github.event.workflow_run.head_branch }},enable=${{ startsWith(github.event.workflow_run.head_branch || '', 'v') }}

  docker-build:
    if: |
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.event == 'push' &&
      (
        github.event.workflow_run.head_branch == 'main' ||
        startsWith(github.event.workflow_run.head_branch || '', 'v')
      )
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    strategy:
      matrix:
        include:
          - os: self-hosted
            arch: amd64
          - os: ubuntu-24.04-arm
            arch: arm64

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.workflow_run.head_sha }}
          fetch-depth: 0
      - name: Log in to the GitHub Container registry
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v6
        with:
          tags: |
            type=raw,value=latest,enable=${{ github.event.workflow_run.head_branch == 'main' }}
            type=semver,pattern={{raw}},value=${{ github.event.workflow_run.head_branch }},enable=${{ startsWith(github.event.workflow_run.head_branch || '', 'v') }}
          flavor: |
            latest=auto
            suffix=-${{ matrix.arch }},onlatest=true
          images: |
            ghcr.io/${{ github.repository }}

      - name: Build and push Docker images
        uses: docker/build-push-action@v7
        with:
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  docker-manifest:
    if: |
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.event == 'push' &&
      (
        github.event.workflow_run.head_branch == 'main' ||
        startsWith(github.event.workflow_run.head_branch || '', 'v')
      )
    permissions:
      contents: read
      packages: write
    needs:
      - docker-build
      - docker-clean-metadata
    runs-on: ubuntu-latest

    strategy:
      matrix:
        image: ${{ fromJson(needs.docker-clean-metadata.outputs.json).tags }}

    steps:
      - name: Log in to the GitHub Container registry
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create and push manifest
        run: |
          docker buildx imagetools create -t ${{ matrix.image }} ${{ matrix.image }}-amd64 ${{ matrix.image }}-arm64