ci.yaml

name: Continuous Integration

# 워크플로우 트리거 설정
on:
  push:
    branches: [main]
    paths-ignore:
      - '.github/**'
  workflow_dispatch:
    inputs:
      version_type:
        description: '버전 증가 유형'
        required: true
        default: 'minor'
        type: choice
        options:
          - minor
          - major

# 환경 변수 설정
env:
  AWS_REGION: ap-northeast-2
  ECR_REPOSITORY: threedays-app

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      # 저장소 체크아웃
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: 'recursive'
          fetch-depth: 0

      # JDK 21 설정
      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'liberica'

      # Gradle 패키지 캐싱
      - name: Cache Gradle packages
        uses: actions/cache@v4
        with:
          path: ~/.gradle/caches
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
          restore-keys: ${{ runner.os }}-gradle

      # AWS 자격 증명 구성
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ env.AWS_REGION }}

      # Amazon ECR 로그인
      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v2

      # 버전 태그 생성
      - name: Generate version tag
        id: generate-version
        run: |
          # 최신 태그 가져오기
          latest_tag="$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")"
          echo "최신 태그: $latest_tag"
          
          # major, minor, patch 추출
          IFS='.' read -r major minor patch <<< "${latest_tag#v}"
          
          # 버전 증가 유형 결정
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            increment_type="${{ github.event.inputs.version_type }}"
          else
            increment_type="patch"
          fi
          
          # 버전 증가 로직
          case $increment_type in
            major)
              new_major=$((major + 1))
              new_minor=0
              new_patch=0
              ;;
            minor)
              new_major=$major
              new_minor=$((minor + 1))
              new_patch=0
              ;;
            patch|*)
              new_major=$major
              new_minor=$minor
              new_patch=$((patch + 1))
              ;;
          esac
          
          # 새 버전 태그 생성
          new_version="v$new_major.$new_minor.$new_patch"
          
          # 새 버전이 최신 태그보다 큰지 확인
          if [ $(echo "$new_version $latest_tag" | tr ' ' '\n' | sort -V | tail -n 1) != "$new_version" ]; then
            echo "오류: 새 버전($new_version)이 최신 태그($latest_tag)보다 크지 않습니다."
            exit 1
          fi
          
          # 결과 출력
          echo "version=$new_version" >> $GITHUB_OUTPUT
          echo "새 버전: $new_version"

      # Amazon ECR에 이미지 빌드 및 푸시
      - name: Build and push image to Amazon ECR
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          VERSION_TAG: ${{ steps.generate-version.outputs.version }}
        run: |
          ./gradlew jib \
            -Djib.to.image="$ECR_REGISTRY/$ECR_REPOSITORY:$VERSION_TAG" \
            -Djib.to.tags="latest" \
            -Djib.console=plain

      # 이미지 정보 저장
      - name: Save image info
        run: |
          echo "${{ steps.login-ecr.outputs.registry }}/$ECR_REPOSITORY:${{ steps.generate-version.outputs.version }}" > image_info.txt

      # 아티팩트 업로드
      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: image-info
          path: image_info.txt

      # Git 태그 생성
      - name: Create Git tag
        if: github.event_name == 'workflow_dispatch' || (github.event_name == 'push' && github.ref == 'refs/heads/main')
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          git tag ${{ steps.generate-version.outputs.version }}
          git push origin ${{ steps.generate-version.outputs.version }}
        env:
          GITHUB_TOKEN: ${{ secrets.REPO_ACCESS_TOKEN }}