ci-cd.yml

name: CI/CD Pipeline

on:
  push:
    branches: ['main']

jobs:
  build_test_java:
    name: Build Java services
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up JDK 21
      uses: actions/setup-java@v3
      with:
        java-version: '21'
        distribution: 'temurin'
        cache: maven
    - name: Build with Maven
      run: mvn -B package --file pom.xml

    # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
    - name: Update dependency graph
      continue-on-error: true
      uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6

  build_publish_docker:
    name: Build&Publish - Util Docker images
    runs-on: ubuntu-latest
    needs: build_test_java
    strategy:
      matrix:
        image:
          - prometheus
          - grafana
          - snmp-exporter

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
          
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          file: ./docker/${{ matrix.image }}/Dockerfile
          push: true
          tags: ghcr.io/tobias-pe/microservices_energyefficiency/${{ matrix.image }}:latest, ghcr.io/tobias-pe/microservices_energyefficiency/${{ matrix.image }}:${{ github.run_id }}

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

  build_publish_spring_boot:
    name: Build&Publish - Spring Boot Docker images
    runs-on: ubuntu-latest
    needs: build_test_java
    strategy:
      matrix:
        image:
          - gateway
          - servicediscovery
          - userservice

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up JDK 21
        uses: actions/setup-java@v3
        with:
          java-version: '21'
          distribution: 'temurin'
          cache: maven

      - name: Make Maven Wrapper executable
        if: contains(matrix.os, 'win') == false
        run: chmod +x ./mvnw

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set VERSION environment variable
        run: |
          echo "VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout -pl ${{ matrix.image }})" >> $GITHUB_ENV

      - name: Docker Build-Tag-Push
        run: |
          ./mvnw spring-boot:build-image -pl ${{ matrix.image }} -am
          docker tag ${{ matrix.image }}:${{ env.VERSION }} ghcr.io/tobias-pe/microservices_energyefficiency/${{ matrix.image }}:${{ github.run_id }}
          docker tag ${{ matrix.image }}:${{ env.VERSION }} ghcr.io/tobias-pe/microservices_energyefficiency/${{ matrix.image }}:${{ env.VERSION }}
          docker tag ${{ matrix.image }}:${{ env.VERSION }} ghcr.io/tobias-pe/microservices_energyefficiency/${{ matrix.image }}:latest
          docker push ghcr.io/tobias-pe/microservices_energyefficiency/${{ matrix.image }}:latest