deploy.yml

name: CI/CD with GitHub Actions & ECR

# Workflow trigger: Runs when a push event occurs to the main branch
on:
  push:
    branches:
      - main
env:
  AWS_REGION: ${{ secrets.AWS_REGION }}
  ECR_REPOSITORY: ${{ secrets.ECR_REPOSITORY }}
  ECS_TASK_DEFINITION: ${{ secrets.ECS_TASK_DEFINITION }}
  ECS_CLUSTER: DrinkhereCluster
  ECS_SERVICE: drinkhere-ecs-service
  CONTAINER_NAME: drinkhere-springboot-server
  APP_SPEC: appspec.yml
  CODEDEPLOY_APPLICATION: AppECS-DrinkhereCluster-drinkhere-ecs-service
  CODEDEPLOY_DEPLOYMENT_GROUP: DgpECS-DrinkhereCluster-drinkhere-ecs-service

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      # Checkout the repository including submodules
      - name: Checkout submodules
        uses: actions/checkout@v3
        with:
          submodules: recursive
          token: ${{ secrets.GIT_TOKEN_FOR_SUBMODULE }}

      # Set up JDK 21 for the Spring Boot project
      - name: Set up JDK 21
        uses: actions/setup-java@v3
        with:
          java-version: '21'
          distribution: 'temurin'

        # Grant execute permission to gradlew
      - name: Grant execute permission to gradlew
        run: chmod +x ./gradlew

      # Build the Spring Boot project and generate a JAR file
      - name: Build Spring Boot Project to JAR File
        run: ./gradlew clean :execute:bootJar

      # Configure AWS credentials for ECR and ECS
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ env.AWS_REGION }}

      # Login to Amazon ECR
      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v1

      # Build, tag, and push the Docker image to Amazon ECR
      - name: Build, tag, and push image to Amazon ECR
        id: build-image
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
        run: |
          # 현재 날짜와 시간으로 태그 생성 (예: 20241126_143000)
          IMAGE_TAG=$(date +'%Y%m%d_%H%M%S')
          echo "IMAGE_TAG=$IMAGE_TAG" >> $GITHUB_ENV  # 환경 변수에 IMAGE_TAG 저장
          
          # Docker 이미지를 빌드하고 푸시
          docker build --build-arg JAR_FILE=build/libs/*.jar -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
          docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
          echo "image=$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG" >> $GITHUB_OUTPUT


      #  $GITHUB_ENV : 작업(Job) 내 모든 스텝에서 사용 가능 - $VARIABLE 환경 변수로 직접 참조
      #  $GITHUB_OUTPUT : 특정 스텝에서만 설정한 출력값 전달 가능 - steps.<step_id>.outputs.<name>로 참조

      # Download the current Amazon ECS task definition
      - name: Download Amazon ECS task definition
        run: |
          aws ecs describe-task-definition --task-definition ${{ env.ECS_TASK_DEFINITION }} --query taskDefinition > task-definition.json

      # Fill in the new image ID in the Amazon ECS task definition
      - name: Fill in the new image ID in the ECS task definition
        id: task-def
        uses: aws-actions/amazon-ecs-render-task-definition@v1
        with:
          task-definition: task-definition.json
          container-name: ${{ env.CONTAINER_NAME }}
          image: ${{ steps.build-image.outputs.image }}

      # Deploy the updated ECS task definition
      - name: Deploy ECS task definition
        uses: aws-actions/amazon-ecs-deploy-task-definition@v1
        with:
          task-definition: ${{ steps.task-def.outputs.task-definition }}
          service: ${{ env.ECS_SERVICE }}
          cluster: ${{ env.ECS_CLUSTER }}
          wait-for-service-stability: true
          codedeploy-appspec: ${{ env.APP_SPEC }}
          codedeploy-application: ${{ env.CODEDEPLOY_APPLICATION }}
          codedeploy-deployment-group: ${{ env.CODEDEPLOY_DEPLOYMENT_GROUP }}