main.yml

name: CI/CD Docker

# 트리거를 수행할 브랜치를 지정합니다.
on:
  push:
    branches: [feat/#28/ci-cd-setting]

# 환경설정
env:
  DOCKER_IMAGE: ghcr.io/${{ github.actor }}/github-actions-auto
  VERSION: ${{ github.sha }}
  NAME: back

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

      - 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@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}

      # Build 및 push
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: ${{ env.DOCKER_IMAGE }}:latest

  # 배포 Job
  deploy:
    needs: build # build 후에 실행되도록 정의
    name: Deploy
    runs-on: [self-hosted, label-go] # AWS ./configure에서 사용할 label명
    steps:
      # GHCR 로그인
      - name: Login to ghcr
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}

      # 앱 이미지 이름 업데이트
      - name: Update DOCKER_IMAGE in .env file
        run: |
          if grep -q '^IMAGE_NAME=' /home/ubuntu/.env; then
            sed -i 's|^IMAGE_NAME=.*|IMAGE_NAME=${{ env.DOCKER_IMAGE }}|' /home/ubuntu/.env
          else
            echo "IMAGE_NAME=${{ env.DOCKER_IMAGE }}" >> /home/ubuntu/.env
          fi

      # Docker Compose를 사용한 서비스 배포
      - name: Docker run
        run: |
          docker compose -f /home/ubuntu/docker-compose.yml down
          docker compose -f /home/ubuntu/docker-compose.yml up -d --pull always