cd.yml

name: Deploy to AWS EC2 using Docker

on:
  workflow_dispatch:
  workflow_run: 
    workflows: [CI Workflow]
    types:
      - completed

env:
  CONTAINER_NAME: twc-container
  DOCKER_HUB_REPOSITORY: ${{ secrets.DOCKER_USERNAME }}/twc-be-node

jobs:
  build-and-push-docker:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.event != 'pull_request' 

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Set up Node.js
      uses: actions/setup-node@v3
      with:
        node-version: '18'

    - name: Set up .env
      run: echo "${{ secrets.APPLICATION }}" > .env

    - name: Build the Docker image
      run: docker build . --file Dockerfile --tag "${{ env.DOCKER_HUB_REPOSITORY }}:latest"

    - name: Login to Docker Hub using Access Token
      run: echo "${{ secrets.DOCKER_HUB_TOKEN }}" | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin

    - name: Push the Docker image to Docker Hub
      run: docker push "${{ env.DOCKER_HUB_REPOSITORY }}:latest"

  deploy-to-ec2:
    needs: build-and-push-docker
    runs-on: ubuntu-latest

    steps:
    - name: Deploy to EC2
      uses: appleboy/ssh-action@master
      with:
        host: ${{ secrets.EC2_HOST }}
        username: ${{ secrets.EC2_SSH_USERNAME }}
        key: ${{ secrets.EC2_SSH_PRIVATE_KEY }}
        script: |
          # 기존 컨테이너 중지 및 제거
          CONTAINER_ID=$(sudo docker ps -aq --filter "publish=3000")
          
          if [ ! -z "$CONTAINER_ID" ]; then
            sudo docker stop $CONTAINER_ID
            sudo docker rm $CONTAINER_ID
          fi

          CONTAINER_NAME=$(sudo docker ps -aq --filter "name=${{ env.CONTAINER_NAME }}")
          
          if [ ! -z "$CONTAINER_NAME" ]; then
            sudo docker stop $CONTAINER_NAME
            sudo docker rm $CONTAINER_NAME
          fi

          # 최신 Docker 이미지 풀
          sudo docker pull "${{ env.DOCKER_HUB_REPOSITORY }}:latest"

          # Docker 컨테이너 실행 
          sudo docker run -d --restart always -p 3000:3000 --name "${{ env.CONTAINER_NAME }}" "${{ env.DOCKER_HUB_REPOSITORY }}:latest"

          # 사용되지 않는 Docker 이미지 정리
          sudo docker image prune -f