cd.yml

name: cd with Gradle

on:
  push:
    branches:
      - main  # main 브랜치에 push될 때

permissions: write-all # 테스트 결과 작성을 위해 쓰기권한 추가

jobs:
  build:
    if: github.event.pull_request.merged == true || github.event_name == 'push'  # PR merge 또는 push일 때 실행
    runs-on: ubuntu-latest  # 환경
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3  # 코드 체크아웃 = 가상환경 복사

      - name: Set up JDK 21
        uses: actions/setup-java@v3 #jdk 컴파일러
        with:
          java-version: '21'
          distribution: 'temurin'  # 자바 개발 키트 배포판

      - name: Gradle Caching
        uses: actions/cache@v3
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

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

      - name: Build with Gradle
        run: ./gradlew build -x test  #빌드

      - name: Ensure target directory exists
        uses: appleboy/ssh-action@master  # SSH를 통해 대상 디렉토리 생성
        with:
          username: ubuntu
          host: ${{ secrets.SSH_HOST }}
          key: ${{ secrets.SSH_KEY }}
          script: |
            mkdir -p /home/ubuntu/gather_back_end

      - name: List build directory
        run: ls -la build/libs

      - name: Transfer Build File using SCP
        uses: appleboy/scp-action@master  # .jar 파일 원격 서버로 복사
        with:
          username: ubuntu
          host: ${{ secrets.SSH_HOST }}
          key: ${{ secrets.SSH_KEY }}
          source: |
            build/libs/gather_back_end-0.0.1-SNAPSHOT.jar
          target: "/home/ubuntu/gather_back_end"

      - name: Deploy using Docker Compose via SSH(Prod)
        if: github.ref == 'refs/heads/main'
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.SSH_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_KEY }}
          script_stop: true
          script: |
            cd /home/ubuntu/gather_back_end || exit 1  # 경로 변경 실패 시 종료
              sudo docker compose down
              sudo docker compose up --build -d