deploy.yml

name: Deploy to EC2

on:
  push:
    branches: [ main, master ]
  workflow_dispatch:

env:
  DOCKER_IMAGE: ssu-flask-app
  DOCKER_TAG: latest
  DOCKER_USERNAME: hit1414
  SSH_USER: ssuuser
  SSH_PASSWORD: ssupassword20250820ec2user
  SERVER_IP: 3.35.69.129
  HOST_PORT: 8500

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
      
    - name: Login to Docker Hub
      uses: docker/login-action@v3
      with:
        username: ${{ env.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}
        
    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ env.DOCKER_USERNAME }}/${{ env.DOCKER_IMAGE }}:${{ env.DOCKER_TAG }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

  deploy:
    needs: build-and-push
    runs-on: ubuntu-latest
    
    steps:
    - name: Deploy to EC2
      uses: appleboy/ssh-action@v1.0.3
      with:
        host: ${{ env.SERVER_IP }}
        username: ${{ env.SSH_USER }}
        password: ${{ env.SSH_PASSWORD }}
        port: 22
        script: |
          
          # 기존 컨테이너 중지 및 제거
           docker stop ssu-flask-app || true
           docker rm ssu-flask-app || true
          
          # 기존 이미지 제거
           docker rmi ${{ env.DOCKER_USERNAME }}/ssu-flask-app:latest || true
          
          # Docker Hub에서 새 이미지 pull
           docker pull ${{ env.DOCKER_USERNAME }}/ssu-flask-app:latest
          
          # 컨테이너 실행
           docker run -d \
            --name ssu-flask-app \
            --restart unless-stopped \
            -p ${{ env.HOST_PORT }}:5000 \
            ${{ env.DOCKER_USERNAME }}/ssu-flask-app:latest
          
          # 배포 완료 메시지
          echo "배포가 완료되었습니다!"
          echo "애플리케이션은 http://${{ env.SERVER_IP }}:${{ env.HOST_PORT }} 에서 접근 가능합니다."