github-acitons.yml

# github repository actions 페이지에 나타날 이름
name: CI/CD using github actions & docker

# event trigger
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  CI-CD:
    runs-on: ubuntu-latest

    steps:
      # JDK setting - github actions에서 사용할 JDK 설정 (프로젝트나 AWS의 java 버전과 달라도 무방)
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: "17"
          distribution: "temurin"

      # gradle caching - 빌드 시간 향상
      - name: Gradle Caching
        uses: actions/cache@v3
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      # docker login
      - name: Docker build
        if: contains(github.ref, 'main')
        run: |
          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}

      # .env생성 -> front kakaoAPI 경로 수정 필요
      - name: Setting .env
        run: |
          echo "${{ secrets.ENV }}" >> .env 
          cat .env

      # docker build & push to production
      - name: Docker build & push to prod
        if: contains(github.ref, 'main')
        run: |
          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
          docker build --no-cache -t ${{ secrets.DOCKER_USERNAME }}/turtle_neck_savior_backend:latest .
          docker push ${{ secrets.DOCKER_USERNAME }}/turtle_neck_savior_backend:latest

      # deploy to production
      - name: Deploy to prod
        uses: appleboy/ssh-action@master
        id: deploy-prod
        if: contains(github.ref, 'main')
        with:
          host: ${{ secrets.HOST_PROD }} # EC2 퍼블릭 IPv4 DNS
          username: ubuntu
          key: ${{ secrets.PRIVATE_KEY }} # EC2 .pem 파일 내용
          envs: GITHUB_SHA
          script: |
            cd /home/ubuntu/turtle_neck_savior
            sudo docker-compose down
            sudo docker pull ${{ secrets.DOCKER_USERNAME }}/turtle_neck_savior_backend:latest
            sudo docker-compose up --build -d
            sudo docker logout