main.yml

name: CI/CD Docker

# main 브랜치 - 트리거 대상
on:
  push:
    branches: [ main ]

# 환경설정
env:
  DOCKER_IMAGE: ghcr.io/zeropage/zp-portal-page
  VERSION: ${{ github.sha }}
  NAME: zp_portal

jobs:
  # 빌드 Job
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      # github repository에서 checkout
      - uses: actions/checkout@v3
      # docker build 수행
      - name: Set up docker buildx
        id: buildx
        uses: docker/setup-buildx-action@v2

      # Docker 레이어 캐싱
      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ env.VERSION }}
          restore-keys: |
            ${{ runner.os }}-buildx-
            
      # GitHub 컨테이너 레지스트리에 로그인 후 빌드 & 푸시
      - name: Login to ghcr
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: zeropage
          password: ${{ secrets.GITHUB_TOKEN }}

      # 캐시된 레이어 사용하여 빌드 및 푸시
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v4
        with:
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: ${{ env.DOCKER_IMAGE }}:latest
          cache-from: type=gha,scope=${{ runner.os }}-buildx-${{ env.VERSION }}
          cache-to: type=gha,scope=${{ runner.os }}-buildx-${{ env.VERSION }}

  # 배포 Job
  deploy:
    needs: build  # build 후에 실행되도록 정의
    name: Deploy
    runs-on: [ self-hosted, label-go ] # EC2 인스턴스에서 사용할 label명
    steps:
      - name: Login to ghcr
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: zeropage
          password: ${{ secrets.GITHUB_TOKEN }}
      
      # Docker Compose를 사용하여 배포
      - name: Deploy with Docker Compose
        run: |
          cd ~/zeropage.org
          echo "Pulling the latest image for portal..."
          docker-compose pull portal
          echo "Latest image for portal pulled."
          
          echo "Checking if portal is running..."
          if [ "$(docker ps -q -f name=portal)" ]; then
            echo "Stopping portal service..."
            docker-compose down portal
            echo "Portal service stopped."
          else
            echo "Portal service is not running."
          fi
          
          echo "Checking if portal has exited..."
          if [ "$(docker ps -aq -f status=exited -f name=portal)" ]; then
            echo "Removing exited portal container..."
            docker-compose rm -f portal
            echo "Exited portal container removed."
          else
            echo "No exited portal container found."
          fi
          
          echo "Starting portal service..."
          docker compose up -d portal
          echo "Portal service started."