workflow.yml

name: CD

on:
  push:
    branches:
      - main

jobs:
  backend_deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout-source code
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.ACCESS_TOKEN_FOR_GITHUB_ACTIONS }}
          submodules: true

      # JDK 설치
      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'temurin'

      # Gradle 실행권한 부여
      - name: Grant execute permission to gradlew
        run: chmod +x ./gradlew

      # Spring boot application 빌드
      - name: Build with gradle
        run: ./gradlew -x test clean build

      # docker hub login
      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      # docker image build and push
      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:${{ secrets.DOCKER_HUB_USERNAME }}

      # Copy docker-compose-deploy.yml
      - name: Deliver docker-compose-deploy.yml file
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.WAS_HOST }}
          username: ${{ secrets.WAS_USERNAME }}
          key: ${{ secrets.SSH_KEY }}
          port: ${{ secrets.WAS_SSH_PORT }}
          source: "docker-compose-deploy.yml"
          target: "/home/ubuntu"

      # WAS 인스턴스 접속 & 애플리케이션 실행
      - name: Connect to WAS & Execute Application
        uses: appleboy/ssh-action@v0.1.6
        with:
          host: ${{ secrets.WAS_HOST }}
          username: ${{ secrets.WAS_USERNAME }}
          key: ${{ secrets.SSH_KEY }}
          port: 22
          script: |
            docker-compose -f docker-compose-deploy.yml down -v
            docker-compose -f docker-compose-deploy.yml pull
            docker-compose -f docker-compose-deploy.yml up -d
            docker image prune -f