main.yml

name: Build dunst CI images

# Run only when merged onto master or once a month in order to get latest
# packages for each distribution.
on:
  schedule:
    - cron: "42 3 15 * *"
  push:
    branches: [ 'master' ]
  workflow_dispatch:

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

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        distro:
          - alpine
          - archlinux
          - debian-bookworm
          - debian-bullseye
          - debian-buster
          - fedora
          - misc-doxygen
          - ubuntu-focal
          - ubuntu-jammy
          - ubuntu-noble

    # We need to push to the registry
    permissions:
      contents: read
      packages: write

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

      - name: Log in to the Container registry
        uses: docker/login-action@v3.0.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Default metadata action step.
      # Will add some "org.opencontainers.*"-labels with useful descriptions
      # However the tags are totally unusable for our case
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5.5.1
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5.1.0
        with:
          context: ci
          file: ci/Dockerfile.${{ matrix.distro }}
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.distro }}
          labels: ${{ steps.meta.outputs.labels }}