publish-docker-image.yml

name: Build & Publish

on:
    schedule:
        -   cron: '0 10 * * *' # everyday at 10am
    push:
        branches:
            - '**'
        tags:
            - 'v*.*.*'
    pull_request:

jobs:
    build_and_publish:
        runs-on: ubuntu-latest
        steps:
            -   name: Checkout
                uses: actions/checkout@v2
            -   name: Git credentials
                uses: oleksiyrudenko/gha-git-credentials@v2.1
                with:
                    token: '${{ secrets.GITHUB_TOKEN }}'
            -   name: Synchronize README and current versions
                run: |
                    DOCKER_IMAGE=${{ github.repository }}
                    docker build . -t ${DOCKER_IMAGE}
                    docker run --rm -v ${PWD}:/opt/generated ${DOCKER_IMAGE} node generate-versions.js
            -   name: Commit results, if any
                run: |
                    git commit README.md current-versions.json -m 'Re-build README.md and versions' || echo "No changes to commit"
                    git push origin || echo "No changes to commit"
            -   name: Prepare Docker Image Tags
                id: prep
                run: |
                    DOCKER_IMAGE=${{ github.repository }}
                    VERSION=noop
                    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=edge
                      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')
            -   name: Set up QEMU
                uses: docker/setup-qemu-action@v1
            -   name: Set up Docker Buildx
                uses: docker/setup-buildx-action@v1
            -   name: Login to DockerHub
                uses: docker/login-action@v1
                with:
                    username: ${{ secrets.DOCKER_USERNAME }}
                    password: ${{ secrets.DOCKER_PASSWORD }}
            -   name: Build and push
                uses: docker/build-push-action@v2
                with:
                    context: .
                    file: ./Dockerfile
                    platforms: linux/amd64,linux/arm64,linux/386
                    target: tools
                    push: ${{ github.event_name != 'pull_request' }}
                    tags: ${{ steps.prep.outputs.tags }}
                    labels: |
                        org.opencontainers.image.title=${{ github.event.repository.name }}
                        org.opencontainers.image.description=${{ github.event.repository.description }}
                        org.opencontainers.image.url=${{ github.event.repository.html_url }}
                        org.opencontainers.image.source=${{ github.event.repository.clone_url }}
                        org.opencontainers.image.version=${{ steps.prep.outputs.version }}
                        org.opencontainers.image.created=${{ steps.prep.outputs.created }}
                        org.opencontainers.image.revision=${{ github.sha }}
            -   name: Docker Hub Description
                if: github.ref == 'refs/heads/master'
                uses: peter-evans/dockerhub-description@v2.1.0
                env:
                    DOCKERHUB_USERNAME: ${{ secrets.DOCKER_USERNAME }}
                    DOCKERHUB_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
                    DOCKERHUB_REPOSITORY: ${{ github.repository }}