Ch7. CI/CD 파이프라인 설계

# .github/workflows/ci.yml
name: CI
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
  TURBO_TEAM: ${{ vars.TURBO_TEAM }}

jobs:
  ci:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # 변경 감지에 필요

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: 'yarn'

      - run: yarn install --immutable

      - name: Build, Lint, Typecheck, Test
        run: turbo run build lint typecheck test

# main 대비 변경된 패키지만 빌드
turbo run build --filter=...[origin/main]

# 직전 커밋 대비 변경분만
turbo run build test --filter=...[HEAD~1]

# 특정 앱과 그 의존성만
turbo run build --filter=web...

# 특정 앱만 (의존성 제외)
turbo run build --filter=web

jobs:
  detect:
    runs-on: ubuntu-latest
    outputs:
      apps: ${{ steps.filter.outputs.apps }}
    steps:
      - uses: actions/checkout@v4
        with: { fetch-depth: 0 }
      - id: filter
        run: |
          APPS=$(turbo run build --filter=...[origin/main] --dry-run=json \
            | jq -c '[.tasks[] | select(.directory | startswith("apps/")) | .package]')
          echo "apps=$APPS" >> "$GITHUB_OUTPUT"

  build:
    needs: detect
    if: needs.detect.outputs.apps != '[]'
    strategy:
      matrix:
        app: ${{ fromJson(needs.detect.outputs.apps) }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: yarn install --immutable
      - run: turbo run build --filter=${{ matrix.app }}...

# 초기 설정
npx @changesets/cli init

# 변경 사항 기록 (PR 시)
npx changeset add
# → .changeset/fuzzy-wolf-dance.md 생성

# .github/workflows/release.yml
name: Release
on:
  push:
    branches: [main]

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: yarn install --immutable
      - uses: changesets/action@v1
        with:
          publish: yarn changeset publish
          version: yarn changeset version
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}