docker-publish.yml

name: Docker SuperSet Keycloak
#
on:
  push:
    #branches: 
    #  - master
    #  - main
    tags:
      - v*
#
jobs:
    superset-docker:
      runs-on: ubuntu-latest
      permissions:
        contents: read
        packages: write
      steps:
        # Checkout the repository to the GitHub Actions runner
        - name: Checkout
          uses: actions/checkout@v3
  
        # Repo metadata
        - name: Repo metadata
          id: repo
          uses: actions/github-script@v4
          with:
            script: |
              const repo = await github.repos.get(context.repo)
              return repo.data
        # Prepare variables
        - name: Prepare
          id: prep
          run: |
            REG=ghcr.io
            IMAGE=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')
            DOCKER_IMAGE=${REG}/${IMAGE}
            VERSION=nool
            if [ "${{ github.event_name }}" = "schedule" ]; then
              VERSION=nightly
            elif [[ $GITHUB_REF == refs/tags/* ]]; then
              VERSION=${GITHUB_REF#refs/tags/}
            elif [[ $GITHUB_REF == refs/heads/* ]]; then
              VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
              if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
                VERSION=latest
              fi
            elif [[ $GITHUB_REF == refs/pull/* ]]; then
              VERSION=pr-${{ github.event.number }}
            fi
            TAGS="${DOCKER_IMAGE}:${VERSION}"
            if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
              MINOR=${VERSION%.*}
              MAJOR=${MINOR%.*}
              TAGS="$TAGS,${DOCKER_IMAGE}:${MINOR},${DOCKER_IMAGE}:${MAJOR},${DOCKER_IMAGE}:latest"
            fi
            echo ::set-output name=version::${VERSION}
            echo ::set-output name=tags::${TAGS}
            echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
        # Set up Buildx env
        - name: Set up Docker Buildx
          uses: docker/setup-buildx-action@v2
  
        # Login
        - name: Login to GitHub Container Registry
          uses: docker/login-action@v2
          with:
            registry: ghcr.io
            username: ${{ github.actor }}
            password: ${{ secrets.GITHUB_TOKEN }}
  
        # Build image and push to registry
        - name: Build and push
          uses: docker/build-push-action@v4
          with:
            context: .
            file: ./Dockerfile
            platforms: linux/amd64
            push: true
            tags: ${{ steps.prep.outputs.tags }}
            labels: |
              org.opencontainers.image.title=${{ fromJson(steps.repo.outputs.result).name }}
              org.opencontainers.image.description=${{ fromJson(steps.repo.outputs.result).description }}
              org.opencontainers.image.url=${{ fromJson(steps.repo.outputs.result).html_url }}
              org.opencontainers.image.source=${{ fromJson(steps.repo.outputs.result).html_url }}
              org.opencontainers.image.version=${{ steps.prep.outputs.version }}
              org.opencontainers.image.created=${{ steps.prep.outputs.created }}
              org.opencontainers.image.revision=${{ github.sha }}
              org.opencontainers.image.licenses=${{ fromJson(steps.repo.outputs.result).license.spdx_id }}