github-actions-demo.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.nextVersion.outputs.next_version }}
    steps:

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

      - name: Version increase
        working-directory: ./myapp 
        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

      - 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

  docker-image:
    name: Publish to Docker Hub
    runs-on: ubuntu-latest
    needs: [build]
    env:
      NEXT_VERSION: ${{ needs.build.outputs.version }}
    steps:
      - uses: actions/checkout@v2
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_UNAME }}
          password: ${{ secrets.DOCKER_KEY }}
          
      # - name: Build Docker image
      #   uses: docker/build-push-action@v4
      #   with:
      #       context: .
      #       file: Dockerfile
      #       push: true
      #       tags: |
      #         dastox/maven-hello-world:${{ github.event.after }} 











  # publish:
  #   runs-on: ubuntu-latest
  #   needs: build

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

  #     - name: Build Docker Image
  #       run: |
  #         ls -l
  #         docker build -t my-docker-image:${{ github.run_number }} -f ${{ github.workspace }}/Dockerfile .
  #         docker tag my-docker-image:${{ github.run_number }} my-docker-image:$APP_VERSION

      # - name: Push Docker Image to Docker Hub
      #   run: |
      #     echo ${{ secrets.DOCKER_PASSWORD }} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin
      #     docker push my-docker-image:${{ github.run_number }}
      #     docker push my-docker-image:1.0.1
      #     docker push my-docker-image:latest
  
  # deploy:
  #   runs-on: ubuntu-latest
  #   needs: publish
  #   steps:
  #     - name: Download and Run Docker Image
  #       run: |
  #         docker pull my-docker-image:1.0.1
  #         docker run --rm -it -p 8080:8080 my-docker-image:1.0.1