publish-containers.yml

name: Create and publish container images
on:
  workflow_dispatch:
  push:
    paths:
      - '**Dockerfile'

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - dockerfile: ./Dockerfile
            image: ghcr.io/${{ github.repository }}/linux-x64
          - dockerfile: ./debian-multiarch-arm.Dockerfile
            image: ghcr.io/${{ github.repository }}/linux-arm
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for container
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ matrix.image }}

      - name: Build and push container image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}