github-actions.yml

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

# event trigger
# main 에 push 가 되었을 때 실행
on:
  push:
    branches: [ "main" ]

permissions:
  contents: read

jobs:
  CI-CD:
    runs-on: ubuntu-latest
    steps:
      # JDK setting - github actions 에서 사용할 JDK 설정 (프로젝트나 AWS 의 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
        if: |
          contains(github.ref, 'main')
        run: |
          cd ./src/main/resources
          touch ./application.yml
          echo "${{ secrets.YML }}" > ./application.yml
        shell: bash

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

      # docker build & push to production
      - name: Docker build & push to prod
        if: contains(github.ref, 'main')
        run: |
          docker login -u ${{ secrets.DOCKER_USERID }} -p ${{ secrets.DOCKER_PASSWORD }}
          docker build -f Dockerfile -t ${{ secrets.DOCKER_USERNAME }}/travelmate .
          docker push ${{ secrets.DOCKER_USERNAME }}/travelmate

      ## 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 }}
          script: |
            sudo docker ps
            sudo docker pull ${{ secrets.DOCKER_USERNAME }}/travelmate
            sudo docker run -d -p 8080:8080 ${{ secrets.DOCKER_USERNAME }}/travelmate
            sudo docker image prune -f