gradle.yml

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.
# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle

name: Java CI with Gradle

on:
  push:
    branches: [ "main" ]

jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - uses: actions/checkout@v4
      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          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-

      - name: Set up the prompt
        run: |
          echo "${{ secrets.PROMPT }}" > prompt.json

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

      # Gradlew 실행 허용
      - name: Run chmod to make gradlew executable
        run: chmod +x ./gradlew

      - name: Build with Gradle Wrapper
        run: ./gradlew build -x test

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

  deploy:
    name: Deploy
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Deploy to GCP
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.SERVER_IP }}
          username: ${{ secrets.SSH_USERNAME }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          passphrase: ${{ secrets.SSH_PASSPHRASE }}
          env: GITHUB_SHA
          script: |
            CONTAINER_ID=$(sudo docker ps -q --filter "ancestor=${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_REPOSITORY }}:prod")
            sudo docker stop $CONTAINER_ID
            sudo docker rm -f $CONTAINER_ID
            sudo docker pull ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_REPOSITORY }}:prod
            sudo docker run -d -p 8080:8080 ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_REPOSITORY }}:prod
            sudo docker image prune -f