deploy.yml

name: Deploy Flask and Milvus App

on:
  push:
    branches:
      - main

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

    steps:
      ## 1. 소스코드 체크아웃
      - name: Checkout Source Code
        uses: actions/checkout@v4

      ## 2. Python 3.11 설정
      - name: Set up Python 3.11
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      ## 3. Python 의존성 설치
      - name: Install Python Dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      ## 4. Docker Hub 로그인
      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      ## 5. Docker 이미지 빌드 & 푸시
      - name: Build and Push Docker Image
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/flask-app:latest

      ## 6. EC2에 배포 (SCP + SSH)
      - name: Deploy to EC2 (SCP + SSH)
        env:
          HOST: 3.39.237.18
          USER: ${{ secrets.DEPLOY_USER }}
          KEY: ${{ secrets.DEPLOY_KEY }}
          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASS: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          # SSH 설정
          mkdir -p ~/.ssh
          echo "$KEY" > ec2_key.pem
          chmod 400 ec2_key.pem
          ssh-keyscan -H $HOST >> ~/.ssh/known_hosts

          # 전체 프로젝트를 EC2로 전송
          scp -i ec2_key.pem -o StrictHostKeyChecking=no -r $(pwd)/* $USER@$HOST:~/flask-milvus-app/

          # EC2에서 Docker Compose 실행
          ssh -i ec2_key.pem $USER@$HOST << 'EOF'
            # Docker 설치 (설치되어 있지 않은 경우)
            if ! [ -x "$(command -v docker)" ]; then
              echo "Docker가 설치되어 있지 않음. 설치 중..."
              sudo yum update -y
              sudo yum install -y docker
              sudo service docker start
            else
              echo "Docker가 이미 설치되어 있습니다."
            fi

            # Docker Compose 설치 (설치되어 있지 않은 경우)
            if ! [ -x "$(command -v docker-compose)" ]; then
              echo "Docker Compose가 설치되어 있지 않음. 설치 중..."
              sudo curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" \
                -o /usr/local/bin/docker-compose
              sudo chmod +x /usr/local/bin/docker-compose
            else
              echo "Docker Compose가 이미 설치되어 있습니다."
            fi

            # Docker Hub 로그인
            sudo docker login -u "${DOCKER_USER}" -p "${DOCKER_PASS}"

            # 프로젝트 디렉터리 이동 및 Docker Compose 실행
            cd ~/flask-milvus-app
            sudo docker-compose down || true
            sudo docker-compose pull
            sudo docker-compose up -d --build

            # 컨테이너 상태 확인
            sudo docker-compose ps
          EOF