deploy.yml

name: Java CI/CD with Gradle

on:
  push:
    branches: [ "dev" ] # dev 브랜치에 푸시할 때 작동
  workflow_dispatch: #

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'
          cache: 'gradle' # 캐싱 추가: 빌드 속도가 훨씬 빨라집니다.

      - name: Build with Gradle
        run: |
          chmod +x ./gradlew
          ./gradlew build -x test

      - name: Create .env file from Secret
        run: |
          cat <<'EOF' > .env
          ${{ secrets.ENV_VARIABLES }}
          EOF

      - name: Copy JAR and .env to EC2
        uses: appleboy/scp-action@v0.1.7
        with:
          host: ${{ secrets.EC2_HOST }}
          username: ${{ secrets.EC2_USERNAME }}
          key: ${{ secrets.EC2_SSH_KEY }}
          # -plain.jar는 배포에 필요 없으므로 제외합니다.
          source: "build/libs/*-SNAPSHOT.jar, .env"
          target: "~/"
          strip_components: 2

      - name: Deploy to EC2
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.EC2_HOST }}
          username: ${{ secrets.EC2_USERNAME }}
          key: ${{ secrets.EC2_SSH_KEY }}
          script: |
            fuser -k 8080/tcp || true 
            
            chmod +x ~/start.sh
            ~/start.sh