build-and-push.yml

name: Build, Test, and Push Docker Image

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

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

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          distribution: 'temurin'  # Use Eclipse Temurin distribution (AdoptOpenJDK)
          java-version: '17'

      - name: Cache Maven packages
        uses: actions/cache@v3
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-

      - name: Build with Maven and run tests
        run: mvn clean verify

      - name: Package the application
        run: mvn package -DskipTests

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

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and tag Docker image
        run: |
          docker build -t ${{ secrets.DOCKER_USERNAME }}/my-spring-app:${{ env.VERSION }} .

      - name: Push Docker image to Docker Hub
        run: |
          docker push ${{ secrets.DOCKER_USERNAME }}/my-spring-app:${{ env.VERSION }}