cd.yml

name: CD pipeline
on:
  push:
    branches:
      - develop

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'temurin'

      - name: Grant permission for gradlew
        run: chmod +x gradlew


      - name: Clean and Build JAR
        run: |
          ./gradlew clean
          ./gradlew bootJar

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

      - name: Build Docker image
        run: docker build -t ${{ secrets.DOCKER_USERNAME }}/docker-springboot .

      - name: Push to Docker Hub
        run: docker push ${{ secrets.DOCKER_USERNAME }}/docker-springboot

      - name: Deploy to EC2
        uses: appleboy/ssh-action@v0.1.7
        with:
          host: ${{ secrets.EC2_HOST }}
          username: ${{ secrets.EC2_USER }}
          key: ${{ secrets.EC2_PRIVATE_KEY }}
          script: |
            export DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }}
            export EC2_PRIVATE_IP=${{ secrets.EC2_PRIVATE_IP }}
            export SPRING_PROFILES_ACTIVE=prod
            export DB_HOST=${{ secrets.DB_HOST }}
            export DB_PORT=${{ secrets.DB_PORT }}
            export DB_NAME=${{ secrets.DB_NAME }}
            export DB_USERNAME=${{ secrets.DB_USERNAME }}
            export DB_PASSWORD=${{ secrets.DB_PASSWORD }}

            # spring boot 이미지 최신화 및 업데이트
            sudo -E docker-compose -f docker-compose.prod.yml pull app  
            sudo -E docker-compose -f docker-compose.prod.yml up -d --no-deps app

            # 필요 없는 이미지 정리
            sudo docker image prune -f