render.yaml

services:
  # Backend: FastAPI + pandas analysis engine
  # The frontend reverse-proxies every /api request to this service.
  - type: web
    name: autodata-backend
    runtime: python
    rootDir: backend
    plan: free
    region: singapore
    healthCheckPath: /api/health
    buildCommand: pip install -r requirements.txt
    startCommand: uvicorn app.main:app --host 0.0.0.0 --port $PORT
    envVars:
      - key: PYTHON_VERSION
        value: 3.11.9
      - key: CORS_ORIGINS
        value: "*"
      # Data lives here. Free tier is ephemeral: data is lost on spin-down or
      # redeploy. To persist, upgrade to a paid instance type and attach a
      # disk mounted at /opt/data (see https://render.com/docs/disks).
      
  # Frontend: Next.js app. Every /api request is proxied server-side to the
  # backend service through the rewrite in frontend/next.config.mjs, which
  # reads BACKEND_URL (set below to the backend's public URL).
  - type: web
    name: autodata-frontend
    runtime: node
    rootDir: frontend
    plan: free
    region: singapore
    buildCommand: npm ci && npm run build
    startCommand: npm run start
    envVars:
      - key: NODE_VERSION
        value: 20.11.1
      - key: BACKEND_URL
        fromService:
          name: autodata-backend
          type: web
          envVarKey: RENDER_EXTERNAL_URL