ci-cd.yml

name: Java CI with Gradle

on:
  push:
    branches: [ "main" ]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v4

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'

      # Gradle caching - 빌드 시간 향상
      - name: Gradle Caching
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      - name: Run chmod to make gradlew executable
        run: chmod +x ./gradlew

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Build Docker Image
        run: |
          docker build -t ${{ secrets.IMAGE_NAME }}:latest .

      - name: Push Docker Image to Docker Hub
        run: |
          docker push ${{ secrets.IMAGE_NAME }}:latest

      - name: Deploy
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.EC2_HOST }}
          username: ${{ secrets.EC2_USER }}
          key: ${{ secrets.EC2_SSH_KEY }}
          port: 22
          script: |
            docker stop gratitude-container || true
            docker rm -f gratitude-container || true
            docker pull ${{ secrets.IMAGE_NAME }}:latest
            docker run -d --name gratitude-container -p 8080:8080 -e DB_URL="${{ secrets.DB_URL }}" -e DB_USERNAME="${{ secrets.DB_USERNAME }}" -e DB_PASSWORD="${{ secrets.DB_PASSWORD }}" -e JWT_SECRET="${{ secrets.JWT_SECRET }}" -e AI_SERVER="${{ secrets.AI_SERVER }}" ${{ secrets.IMAGE_NAME }}:latest
            docker image prune -f

      # 8. 성공 시 디스코드 알림
      - name: Send success Discord notification
        if: success()
        run: |
          curl -H "Content-Type: application/json" \
          -X POST \
          -d "{\"content\": \"🚀 Backend Server 배포가 성공적으로 완료되었습니다!\"}" \
          ${{ secrets.DISCORD_WEBHOOK_URL }}

      # 9. 실패 시 디스코드 알림
      - name: Send failure Discord notification
        if: failure()
        run: |
          curl -H "Content-Type: application/json" \
          -X POST \
          -d "{\"content\": \"❌ Backend Server 배포가 실패했습니다. 문제가 발생했습니다.\"}" \
          ${{ secrets.DISCORD_WEBHOOK_URL }}