cd.yml

name: Checkit Backend CD  # workflow 이름

on: # Event
  pull_request:
    types:
      - closed
    branches: [ main, develop ]
  push:
    branches: [ main, develop ]
  workflow_dispatch:

jobs: # Job
  cd: # Job 이름
    if: github.event.pull_request.merged == true || github.event_name == 'push' # Job 실행 조건

    runs-on: ubuntu-latest # Runner

    steps: # Step
      - name: Checkout
        uses: actions/checkout@v2

      - name: JDK 11 설치
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'temurin'

      # 이미지 빌드를 위해 gradle.properties 생성
      - name: Setting gradle.properties
        run: |
          echo "${{ secrets.GRADLE_PROPERTIES }}" > gradle.properties
          cat gradle.properties
      # secrets에 base64로 인코딩 되어 있는 application을 디코딩하여 yml파일 생성
      - name : Setting application.yml
        run: |
          echo "${{ secrets.APPLICATION_YML }}" | base64 --decode > ./src/main/resources/security/application.yml

      # 도커 허브 사용을 위해 도커에 로그인
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_ID }}
          password: ${{ secrets.DOCKERHUB_TOKEN }} # 도커 홈페이지에서 발급받은 토큰 사용

      # jib로 이미지 빌드 및 푸시
      - name: Build and Push backend docker image using jib
        run: |
          ./gradlew jib

      # ssh를 통해 서버 접속, 접속한 후에 실행할 스크립트 작성
      - name: Connect to server using SSH
        uses: appleboy/ssh-action@master
        with:
          host: ${{secrets.NCP_HOST}}
          username: ${{secrets.SSH_USERNAME}}
          key: ${{secrets.SSH_KEY_PEM}}
          envs: GITHUB_SHA
          script: |
            cd backend
            git pull
            cat << 'EOF' > ./elk/logstash/pipeline/logstash.conf
            ${{ secrets.LOGSTASH_CONF }}
            EOF
            sudo docker-compose -f docker-compose.yml down
            sudo docker rmi ${{ secrets.DOCKER_IMAGE_NAME }}:latest || true
            sudo docker-compose -f docker-compose.yml pull
            sudo docker-compose -f docker-compose.yml up -d