auto-merge-dependabot.yml

name: Auto-merge Dependabot PRs

on:
  pull_request:
    types: [opened, synchronize, reopened]

permissions:
  contents: write
  pull-requests: write

jobs:
  auto-merge:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'

      # Frontend build
      - name: Install and build frontend
        working-directory: ./frontend
        run: |
          npm install
          npm run build

      # Backend check
      - name: Install backend dependencies
        working-directory: ./backend
        run: |
          npm install

      - name: Enable auto-merge
        if: success()
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            await github.rest.pulls.createReview({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              event: 'APPROVE'
            });
            await github.rest.pulls.merge({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              merge_method: 'merge'
            });

      - name: Notify on success
        if: success()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '✅ PR approved and merged. Docker images will be built and pushed automatically.'
            })