name: Release Docker multi arch

on:
  push:
    branches:
      - master
    tags:
      - "**"

concurrency:
  group: docker-build-${{ github.ref }}
  cancel-in-progress: false

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set lower case repository name
        run: |
          echo "REG_REPO=${REPO,,}" >>${GITHUB_ENV}
        env:
          REPO: "${{ github.repository }}"

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ env.REG_REPO }}
          tags: |
            type=raw,value=master,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
            type=ref,event=tag
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ github.workflow }}
          cache-to: type=gha,mode=max,scope=${{ github.workflow }}