dev-cd.yml

name: CD with Docker

on:
  workflow_run:
    workflows: [ "Java CI & Docker Build" ]  # CI 워크플로우 name과 정확히 일치
    types: [ completed ]
    branches: [ "dev" ]

permissions:
  contents: read
  packages: read

jobs:
  deploy:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: [self-hosted, new-ec2]
    env:
      CONTAINER_NAME: ${{ vars.CONTAINER_NAME }}
      NETWORK_NAME: ${{ vars.NETWORK_NAME }}
      DEV_WEB_PORT: ${{ vars.DEV_WEB_PORT }}
      FULL_SHA: ${{ github.event.workflow_run.head_sha }}
      
    steps:
      # 1) GHCR 로그인
      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.ACTION_TOKEN }}

      # 2) SHA 변수 설정
      - name: Set SHORT_SHA
        run: |
          echo "SHORT_SHA=${FULL_SHA:0:7}" >> $GITHUB_ENV

      # 3) 네트워크가 없으면 생성
      - name: Ensure Docker network exists
        run: |
          docker network inspect $NETWORK_NAME >/dev/null 2>&1 \
            || docker network create $NETWORK_NAME

      # 4) 이미지 Pull
      - name: Pull Docker image
        run: |
          IMAGE=ghcr.io/lets-gu/backend:sha-${SHORT_SHA}
          echo "Pulling $IMAGE"
          docker pull "$IMAGE"

      # 5) 기존 컨테이너 제거
      - name: Remove old container
        run: docker rm -f "$CONTAINER_NAME" || true

      # 6) 오래된 이미지 정리
      - name: Prune old images
        run: |
          docker images ghcr.io/lets-gu/backend \
            --format '{{.Repository}}:{{.Tag}}' \
            | grep -v "sha-${SHORT_SHA}" \
            | xargs -r docker rmi -f || true

      # 7) 새 컨테이너 실행 (dev 프로파일로 실행)
      - name: Run new container
        run: |
          IMAGE=ghcr.io/lets-gu/backend:sha-${SHORT_SHA}
          echo "Running $IMAGE with dev profile"
          docker run -d \
            --name "$CONTAINER_NAME" \
            --network "$NETWORK_NAME" \
            -p "$DEV_WEB_PORT:8080" \
            -e USE_PROFILE=dev \
            -e TZ=Asia/Seoul \
            "$IMAGE"