docker-publish.yml

# This is a basic workflow to help you get started with Actions

name: Docker Build and Publish

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the main branch
on:
  schedule:
    - cron: '0 0 * * *' # Nightly build
  pull_request:
    branches: [ master ] 
  push:
    branches: [ master ]

  workflow_dispatch: 

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  build_and_push:
    name: Build, tag, and push images
    env:
      default_python: "3.12"

    strategy:
      fail-fast: true
      matrix:
        python_images: ["3.8","3.9","3.10","3.11","3.12"]
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2

      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          install: true

      -
        name: Inspect builder
        run: |
          echo "Name:      ${{ steps.buildx.outputs.name }}"
          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
          echo "Status:    ${{ steps.buildx.outputs.status }}"
          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"

      - name: Generate versions
        uses: HardNorth/github-version-generate@v1.1.1
        with:
          version-source: file
          version-file: Dockerfile
          version-file-extraction-pattern: '(?<=SOPEL_BRANCH=v).+'

      - name: Inspect Version
        id: tags
        env:
          PYTHON_TAG: ${{ matrix.python_images }}
          IMAGE: ${{ secrets.DOCKER_SOPEL_IMAGE_NAME }}
          version: ${{ env.RELEASE_VERSION }}
        run: | 
          if [ "${{ github.event_name }}" == "pull_request" ]; then IMAGE="sopel"; fi
          TAGS="${IMAGE}:${version}-py${PYTHON_TAG},${IMAGE}:${version%.*}-py${PYTHON_TAG},${IMAGE}:${version%.*.*}-py${PYTHON_TAG}"
          if [[ "x${{ matrix.python_images }}" == "x${{ env.default_python }}" ]] && [[ "${{ github.event_name }}" == "push" || "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            TAGS="${TAGS},${IMAGE}:${version},${IMAGE}:${version%.*},${IMAGE}:${version%.*.*},${IMAGE}:latest"
          elif [[ "${{ github.event_name }}" == "schedule" ]]; then
            TAGS="${IMAGE}:nightly"
          fi
          echo ::set-output name=tags::${TAGS}

      -
        name: Login to Docker Hub
        uses: docker/login-action@v3
        if: github.event_name != 'pull_request'
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
      -
        name: Build SOPEL for ${{ matrix.python_images }}
        uses: docker/build-push-action@v2
        if: github.event_name != 'schedule'
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ./Dockerfile
          build-args: PYTHON_TAG=${{ matrix.python_images }}-alpine
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.tags.outputs.tags }}
      -
        name: Build Nightly SOPEL for ${{ matrix.python_images }}
        uses: docker/build-push-action@v2
        if: github.event_name == 'schedule' && matrix.python_images == env.default_python
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ./Dockerfile
          build-args: |
            PYTHON_TAG=${{ matrix.python_images }}-alpine
            SOPEL_BRANCH=master
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.tags.outputs.tags }}