CD.yml

name: Java CD with Gradle

on:
  push:
    branches: [ "main" ]

permissions:
  contents: read

jobs:
  build:

    runs-on: ubuntu-latest
    env :
      working-directory: ./
      APPLICATION: ${{ secrets.APPLICATION }}

    steps:
    - uses: actions/checkout@v2
    - name: Set up JDK 17
      uses: actions/setup-java@v2
      with:
        java-version: '17'
        distribution: 'adopt'
        
    - name: Cache Gradle packages
      uses: actions/cache@v2
      with:
        path: |
          ~/.gradle/caches
          ~/.gradle/wrapper
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
        restore-keys: |
          ${{ runner.os }}-gradle-

    - name: Create application.yml
      run: |
        mkdir ./src/main/resources
        echo "${{env.APPLICATION}}" > ./src/main/resources/application.yml
        
    - name: Grant execute permission for gradlew
      run: chmod +x gradlew
      working-directory: ${{ env.working-directory }}
      
    - name: Build with Gradle
      run: ./gradlew build
      working-directory: ${{ env.working-directory }}
      
    - name: Cleanup Gradle Cache
      if: ${{ always() }}
      run: |
          rm -f ~/.gradle/caches/modules-2/modules-2.lock
          rm -f ~/.gradle/caches/modules-2/gc.properties

    - name: Login to DockerHub
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}
        
    - name: Build and Push Docker image
      run: |
        docker build -t ywj9811/postgraduate_log:latest .
        docker push ywj9811/postgraduate_log:latest

    - name: Deploy
      uses: appleboy/ssh-action@master
      with:
          host: ${{ secrets.SERVER_HOST }}
          username: ${{ secrets.SERVER_USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          envs: GITHUB_SHA
          script: |
            chmod +x /home/ec2-user/config
            docker-compose -f /home/ec2-user/config/docker-compose.yml down
            docker-compose -f /home/ec2-user/config/docker-compose.yml pull
            docker-compose -f /home/ec2-user/config/docker-compose.yml up -d --force-recreate --build