deploy.yml

name: Deploy FastAPI App to Docker Hub

on:
  push:
    branches:
      - main  # main 브랜치에 푸시될 때 실행

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

    steps:
      # 1. GitHub 리포지토리에서 소스 코드 체크아웃
      - name: Checkout repository
        uses: actions/checkout@v4

      # 2. Docker Hub 로그인
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # 3. Docker 이미지 빌드 및 태그 지정
      - name: Build and tag Docker image
        run: |
          docker build -t my-fastapi-app .
          docker tag my-fastapi-app ${{ secrets.DOCKERHUB_USERNAME }}/my-fastapi-app:latest

      # 4. Docker Hub에 이미지 푸시
      - name: Push Docker image to Docker Hub
        run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/my-fastapi-app:latest

      # 5. SSH로 서버에 접속하여 Docker 이미지 배포
      - name: Deploy to Server via SSH
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.SERVER_IP }}   # GitHub Secrets에서 서버 IP 가져옴
          username: ${{ secrets.SERVER_USER }} # GitHub Secrets에서 사용자 이름 가져옴
          key: ${{ secrets.SSH_PRIVATE_KEY }}  # GitHub Secrets에서 SSH 비밀키 가져옴
          port: 22
          script: |
            docker stop fastapi-container || true
            docker rm fastapi-container || true
            docker pull ${{ secrets.DOCKERHUB_USERNAME }}/my-fastapi-app:latest
            docker run -d -p 8000:8000 --name fastapi-container ${{ secrets.DOCKERHUB_USERNAME }}/my-fastapi-app:latest