gns3-registry/.github/workflows/build-docker-images.yml

name: Build Docker images and upload to DockerHub
on:
  push:
    branches:
      - main
      - master
  schedule:
    - cron: '37 7 * * 3'
  workflow_dispatch:
    inputs:
      images:
        description: 'List of images to be built'
        required: false
        type: string

jobs:
  docker-images:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - name: Check out repository code
        # https://github.com/marketplace/actions/checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Set up QEMU
        # https://github.com/marketplace/actions/docker-setup-qemu
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        # https://github.com/marketplace/actions/docker-setup-buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to GitHub Container Registry
        # https://github.com/marketplace/actions/docker-login
        uses: docker/login-action@v2
        with:
          # GitHub Container Registry:
          # registry: ghcr.io
          # username: ${{ github.repository_owner }}
          # password: ${{ secrets.GITHUB_TOKEN }}
          #
          # DockerHub:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Install python requirements
        run: python3 -m pip install --requirement .github/bin/requirements.txt
      - name: Build and push images
        env:
          # DOCKER_USERNAME and DOCKER_PASSWORD are optional, they
          # are only needed to authenticate into private repositories
          #
          # GitHub Container Registry:
          # DOCKER_REPOSITORY: ghcr.io/${{ github.repository_owner }}
          # DOCKER_USERNAME: ${{ github.repository_owner }}
          # DOCKER_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
          #
          # DockerHub:
          DOCKER_REPOSITORY: ${{ secrets.DOCKERHUB_REPOSITORY }}
          # DOCKER_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
          # DOCKER_PASSWORD: ${{ secrets.DOCKERHUB_TOKEN }}
          #
          IMAGES: ${{ inputs.images }}
        run: |
          set -f
          set -- $IMAGES
          set +f
          # use option --dir to use a subdirectory as a docker base dir
          python3 "$GITHUB_WORKSPACE/.github/bin/docker_build" --dir "docker" "$@"