docker.yml

---
name: Publish Docker Image
on:
  # generate image whenever there is a push to the listed branches
  push:
    branches:
      - master
      - hugo-style
  # generate images for releases, using the tag name
  # the newest one will be latest as well
  release:
    types: [published]
jobs:
  push_to_registry:
    # only generate images when in the named repo
    # (to avoid running the action in forks)
    if: github.repository == 'scilifelabdatacentre/dsw-appendix'
    name: Publish Docker Image
    runs-on: ubuntu-latest
    # Cancel earlier job if there is a new one for the same branch/release
    concurrency:
      group: ${{ github.ref }}-docker-build
      cancel-in-progress: true
    # Define the images/tags to build; will run in parallell
    strategy:
      matrix:
        include:
          - dockerfile: Dockerfile
            images: |
              ghcr.io/scilifelabdatacentre/dsw-appendix
    permissions:
      contents: read
      packages: write
    steps:
      - name: Check out the repo
        uses: actions/checkout@v3
      # only needed when publishing to Github (ghcr.io)
      - name: Log in to Github Container Repository
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          # will run as the user who triggered the action, using its token
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Docker Meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ matrix.images }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
      - name: Build and Publish
        uses: docker/build-push-action@v3
        with:
          file: ${{ matrix.dockerfile }}
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}