workflow.yml

name: CI

on:
  push:
    branches:
      - master   # Run only on pushes to the main branch
  pull_request:
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Set up JDK 23
        uses: actions/setup-java@v3
        with:
          distribution: 'temurin'
          java-version: '23'
          cache: maven  # Enable dependency caching for faster builds

      - name: Extract Maven project version
        id: version
        run: |
          VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
          echo "VERSION=$VERSION" >> $GITHUB_ENV

      - name: build the app
        run: |
          mvn clean
          mvn -B package --no-transfer-progress --file pom.xml --activate-profiles with-docker

      - name: Inspect Docker Images
        run: |
          docker images | grep -v "IMAGE ID" | sort
          docker inspect --format='{{json .Config.Labels}}' marvin:latest | jq

      - name: Login to docker hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Push Docker Image
        run: |
          docker tag marvin:${{ env.VERSION }} ${{ secrets.DOCKER_HUB_USERNAME }}/marvin:${{ env.VERSION }}
          docker tag marvin:latest             ${{ secrets.DOCKER_HUB_USERNAME }}/marvin:latest
          docker push ${{ secrets.DOCKER_HUB_USERNAME }}/marvin:${{ env.VERSION }}
          docker push ${{ secrets.DOCKER_HUB_USERNAME }}/marvin:latest