github-actions.yml

# github repository actions 페이지에 나타날 이름
name: WELLET CI/CD (Docker Image)

# event trigger
on:
  push:
    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
      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'adopt'

      # 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-

      # 환경별 yml 파일 생성 - application.yml
      - name: make application.yml
        run: |
          mkdir ./src/main/resources
          cd ./src/main/resources
          touch ./application.yml
          echo "${{ secrets.YML }}" > ./application.yml
        shell: bash

      # gradle build
      - name: Build with Gradle
        run: ./gradlew clean build -x test

      # docker build & push to production
      - name: Docker build & push
        run: |
          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
          docker build --platform linux/amd64 -t ${{ secrets.DOCKER_USERNAME }}/wellet . 
          docker push ${{ secrets.DOCKER_USERNAME }}/wellet

      ## deploy to production
      - name: Deploy
        uses: appleboy/ssh-action@master
        id: deploy-main
        with:
          host: ${{ secrets.HOST }} # EC2 퍼블릭 IPv4 DNS
          username: ubuntu
          key: ${{ secrets.PRIVATE_KEY }} # .pem 키
          envs: GITHUB_SHA
          script: |
            sudo docker ps
            sudo docker pull ${{ secrets.DOCKER_USERNAME }}/wellet
            sudo docker stop $(sudo docker ps --filter "publish=8080" --format "{{.ID}}") 2>/dev/null || true
            sudo docker run -d -p 8080:8080 ${{ secrets.DOCKER_USERNAME }}/wellet
            sudo docker image prune -f

      - name: Set up SSH key
        run: |
          echo "${{ secrets.PRIVATE_KEY }}" > /tmp/private-key.pem
          chmod 600 /tmp/private-key.pem

      - name: Run docker-compose
        run: |
          ssh -o StrictHostKeyChecking=no -i /tmp/private-key.pem ubuntu@${{ secrets.HOST }} <<EOF
          cd ~
          docker-compose pull
          docker-compose up -d
          docker system prune
          EOF