github-actions.yml

name: Deploy using GitHub Actions

# event trigger
# develop/main 브랜치에 push 혹은 pull_request가 되었을 때 실행
on:
  push:
    branches: [ "develop/main" ]
  pull_request:
    branches: [ "develop/main" ]
    
env:
  GITHUB_SHA: ${{ github.sha }}
  PROJECT_ID: ${{secrets.PROJECT_ID}}
  GCE_INSTANCE: ${{secrets.GCE_INSTANCE}}
  GCE_INSTANCE_ZONE: ${{secrets.GCE_INSTANCE_ZONE}}
  
  
jobs:
  setup-build-publish-deploy:
    name: Setup, Build, Publish, and Deploy
    runs-on: ubuntu-latest
    
    steps:
    # 기본 체크아웃
    - name: Checkout
      uses: actions/checkout@v4
      
    # Gradlew 실행 허용
    - name: Run chmod to make gradlew executable
      run: |
        chmod +x ./withmate/gradlew
        
    # JDK 17 세팅
    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'
    
    # prod 설정
    - name: make application-prod.yml
      run: |
        cd ./withmate/src/main/resources
        touch ./application-prod.yml
        echo "${{ secrets.YML_PROD }}" > ./application-prod.yml
      shell: bash

    # GCP Setup 
    - id: 'auth'
      uses: 'google-github-actions/auth@v2'
      with:
        credentials_json: '${{ secrets.GCP_CREDENTIALS }}'

    - name: 'Set up Cloud SDK'
      uses: 'google-github-actions/setup-gcloud@v2'
      with:
        version: '>= 363.0.0'

    - name: 'Use gcloud CLI'
      run: 'gcloud info'

    # Configure Docker to use the gcloud command-line tool as a credential
    # helper for authentication
    - run: |-
        gcloud --quiet auth configure-docker
    # Build the Docker image
    - name: Build
      run: |-
        docker build --tag "gcr.io/$PROJECT_ID/$GCE_INSTANCE-image:$GITHUB_SHA" -f ./withmate/Dockerfile ./withmate
    # Push the Docker image to Google Container Registry
    - name: Publish
      run: |-
        docker push "gcr.io/$PROJECT_ID/$GCE_INSTANCE-image:$GITHUB_SHA"
    - name: Deploy
      run: |-
        gcloud compute instances update-container "$GCE_INSTANCE" \
          --zone "$GCE_INSTANCE_ZONE" \
          --container-image "gcr.io/$PROJECT_ID/$GCE_INSTANCE-image:$GITHUB_SHA"