Radicale/.github/workflows/docker-publish.yml

name: Build and publish Docker image

on:
  release:
    types: [published]
  schedule:
    - cron: '0 0 * * *'
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

      - 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 for Docker build
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: latest=true
          tags: |
            type=semver,pattern={{version}}
            type=schedule,prefix=nightly-,pattern={{date 'YYYYMMDD'}}
            type=raw,enable=${{ github.event_name == 'workflow_dispatch' }},value=workflow_dispatch-{{branch}}-{{sha}}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64

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

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64