cd-pipeline.yml

name: OctoDocs CD Pipeline

on:
  push:
    branches:
      - refactor-be-#47
  workflow_dispatch:
jobs:
  image-build-and-push:
    runs-on: ubuntu-latest

    steps:
      - name: checkout
        uses: actions/checkout@v3

      # root에 .env.local, .env.client, .env.server 복사
      - name: copy .env
        run: |
          echo "${{ secrets.LOCAL_ENV }}" > .env.local
          echo "${{ secrets.CLIENT_ENV }}" > .env.client
          echo "${{ secrets.SERVER_ENV }}" > .env.server

      # Docker 로그인
      - name: docker hub login
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      # 패키지 이미지부터 빌드 후 푸시
      # 이 이미지를 base로 backend와 websocket 이미지를 만들기 때문
      # 만약 octodocs-modules 이미지가 존재하면 그 이미지를 base로 하고
      # 그렇지 않으면 node:20-alpine 버전 사용
      - name: package docker image build and push
        run: |
          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://hub.docker.com/v2/repositories/summersummerwhy/octodocs-modules)
          if [ "$STATUS" -eq 404 ]; then
            echo "octodocs-modules not found"
            docker build -f ./services/module/Dockerfile.init -t summersummerwhy/octodocs-modules .
          else
            echo "octodocs-modules found"
            docker build -f ./services/module/Dockerfile -t summersummerwhy/octodocs-modules .
          fi
      # Docker 이미지 빌드
      - name: docker image build
        run: |
          docker build -f ./services/backend/Dockerfile.prod -t summersummerwhy/octodocs-backend . &
          docker build -f ./services/nginx/Dockerfile.prod -t summersummerwhy/octodocs-nginx . &
          docker build -f ./services/websocket/Dockerfile.prod -t summersummerwhy/octodocs-websocket . &
          wait

      # Docker 이미지 푸시
      - name: docker image push
        run: |
          docker push summersummerwhy/octodocs-modules &
          docker push summersummerwhy/octodocs-backend &
          docker push summersummerwhy/octodocs-nginx &
          docker push summersummerwhy/octodocs-websocket &
          wait

  deploy:
    needs: image-build-and-push
    runs-on: ubuntu-latest

    steps:
      # octodocs-modules먼저 pull 한 뒤 나머지 이미지 pull
      # octodocs-modules를 base로 하는 이미지가 있기 때문
      - name: image-pulling
        env:
          REMOTE_HOST: ${{ secrets.REMOTE_SERVER_IP }}
          REMOTE_USER: ${{ secrets.REMOTE_SERVER_USER }}
          SSH_KEY: ${{ secrets.REMOTE_PRIVATE_KEY }}
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        run: |
          mkdir ~/.ssh
          echo "$SSH_KEY" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa

          ssh -o StrictHostKeyChecking=no $REMOTE_USER@$REMOTE_HOST << 'EOF'
            cd /root/octodocs
            docker pull summersummerwhy/octodocs-modules
            docker-compose -f compose.prod.yml pull
      - name: deploy
        env:
          REMOTE_HOST: ${{ secrets.REMOTE_SERVER_IP }}
          REMOTE_USER: ${{ secrets.REMOTE_SERVER_USER }}
          SSH_KEY: ${{ secrets.REMOTE_PRIVATE_KEY }}
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        run: |
          ssh -o StrictHostKeyChecking=no $REMOTE_USER@$REMOTE_HOST << 'EOF'
            cd /root/octodocs
            docker-compose -f compose.prod.yml down
            docker-compose -f compose.prod.yml up -d
      # 사용하지 않는 도커 리소스를 정리한다.
      - name: cleanup
        env:
          REMOTE_HOST: ${{ secrets.REMOTE_SERVER_IP }}
          REMOTE_USER: ${{ secrets.REMOTE_SERVER_USER }}
          SSH_KEY: ${{ secrets.REMOTE_PRIVATE_KEY }}
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        run: docker system prune -f --all