be-merge-prod.yml

name: Backend production CI/CD

on:
  workflow_dispatch:
  
  pull_request:
    branches: [ main ]
    types: [ closed ]
    paths: backend/**

permissions:
  contents: read
  
jobs:
  build-and-upload:    
    if: github.event.pull_request.merged
    
    runs-on: ubuntu-22.04

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive
          token: ${{ secrets.SUBMODULE_ACCESS_TOKEN }}
      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'temurin'

      - name: 테스트 환경변수 설정
        run: |
          echo "TEST_JWT_SECRET_KEY=${{ secrets.TEST_JWT_SECRET_KEY }}" >> $GITHUB_ENV
          echo "TEST_JWT_EXPIRE_LENGTH=${{ secrets.TEST_JWT_EXPIRE_LENGTH }}" >> $GITHUB_ENV

      - name: gradlew 실행 권한 부여
        run: chmod +x gradlew
        working-directory: backend

      - name: Gradle build 시작
        run: ./gradlew clean build
        working-directory: backend

      - name: jar 파일 artifact에 업로드
        uses: actions/upload-artifact@v3
        with:
          name: BackendApplication
          path: backend/build/libs/mapbefine.jar

  deploy:
    runs-on: [ self-hosted, prod ]
    needs: build-and-upload
  
    if: github.event.pull_request.merged
    
    steps:
      - name: 구버전 jar 파일 삭제
        run: rm -rf /home/ubuntu/backend/build/*.jar 

      - name: jar파일 artifact에서 다운로드
        uses: actions/download-artifact@v3 
        with:
          name: BackendApplication
          path: /home/ubuntu/backend/build/

      - name: 배포하기
        run: /home/ubuntu/backend/deploy.sh

      - name: 슬랙 메시지 보내기

        uses: 8398a7/action-slack@v3
        with:
          mention: 'here'
          if_mention: always
          status: ${{ job.status }}
          fields: workflow,job,commit,message,ref,author,took
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
        if: always()