docker-publish.yml

name: Docker CI
on:
  push:
    branches:
      - 'master'
      - 'develop'
    tags:
      - 'v*.*.*'
  workflow_dispatch:
    inputs:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Set up JDK 11
        uses: actions/setup-java@v1
        with:
          java-version: 11
      -
        uses: actions/cache@v1
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-
      -
        name: Build with Maven
        id: MAVEN_BUILD
        run: |
          echo ::set-output name=pom_version::$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout | sed 's/-SNAPSHOT//g')
          mvn package -Dmaven.test.skip=true

      -
        name: Repo metadata
        id: repo
        uses: actions/github-script@v3
        with:
          script: |
            const repo = await github.repos.get(context.repo)
            return repo.data
      -
        name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=ghcr.io/bookmytrack/bookmytrack-backend-2
          VERSION=noop

          if [ "${{ github.event_name }}" = "schedule" ]; then
            VERSION=${{ steps.MAVEN_BUILD.outputs.pom_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},${DOCKER_IMAGE}:${{ steps.MAVEN_BUILD.outputs.pom_version }}-${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
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          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=${{ fromJson(steps.repo.outputs.result).clone_url }}
            org.opencontainers.image.version=${{ 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 }}