ci_pipeline.yml

name: Maven Build and Docker Image deploy
on: [push]

env:
  ACTIONS_ALLOW_UNSECURE_COMMANDS: true

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      output1: ${{ steps.step1.outputs.test }}
      output2: ${{ steps.step2.outputs.test }}

    steps:
      - id: step1
        run: echo "test=hello" >> $GITHUB_OUTPUT
      - id: step2
        run: echo "test=world" >> $GITHUB_OUTPUT

      - name: repo checkout
        uses: actions/checkout@v4

      - name: update_version
        working-directory: ./myapp
        id: update_version
        run: |
          version=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
          next_version=$(echo $version | awk -F'[.-]' '{print $1"."$2"."$3+1}')
          mvn versions:set -DnewVersion=$next_version
          echo "release_version=$next_version" >> "$GITHUB_OUTPUT"

      - name: Compile Code and Package Artifact
        working-directory: ./myapp 
        run: |
          mvn clean package

      - name: Create Artifact Item
        uses: actions/upload-artifact@v3
        with:
          name: my-artifact
          path: ${{ github.workspace }}/myapp/target/*.jar


  publish:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Use Variable
        run: echo ${{needs.job1.outputs.output1}} ${{needs.job1.outputs.output2}}

      - name: Checkout Code
        uses: actions/checkout@v4

      - uses: actions/download-artifact@master
        with:
          name: my-artifact
          path: ${{ github.workspace }}/myapp/target/
      
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_UNAME }}
          password: ${{ secrets.DOCKER_KEY }}

      - name: Build Docker image and push
        uses: docker/build-push-action@v4
        with:
            context: .
            file: Dockerfile
            push: true
            tags:  vladipiko/maven-hello-world:latest


  deploy:
    runs-on: ubuntu-latest
    needs: publish
    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_UNAME }}
          password: ${{ secrets.DOCKER_KEY }}

      - name: Download and Run Docker Image
        run: |
          docker pull vladipiko/maven-hello-world:latest
          docker run --rm -p 8080:8080 vladipiko/maven-hello-world:latest