Exercise 2: What Each Sibling Course Would Need Instead of Automatic /docs — Possible Solution ==================================================================== WHY /docs IS GENUINELY AUTOMATIC HERE ------------------------------ FastAPI generates the entire interactive API documentation page directly from the route definitions and the Pydantic models already written for request/response validation - no separate documentation-writing step, no extra configuration beyond simply defining the routes and their schemas normally. WHAT FOOD TRACKER (DJANGO) WOULD NEED ------------------------------ Django itself has no equivalent built in. Getting the same kind of interactive API documentation would require adding Django REST Framework plus a further add-on like drf-spectacular specifically to generate that documentation from DRF's own serializers. WHAT FOOD TRACKER (REACT + EXPRESS) WOULD NEED ------------------------------ Plain Express has nothing built in for this either. A tool like Swagger UI would need to be installed and wired up manually, with each route's request/response shape described by hand in a separate configuration, rather than being derived automatically from code already written for another purpose. WHAT FOOD TRACKER (REACT + FIREBASE) WOULD NEED ------------------------------ Cloud Functions have no request/response schema tooling at all in this course's own implementation - there's no equivalent mechanism generating any kind of interactive documentation from what was actually built. WHY THIS WORKS AS AN ANSWER ------------------------------ It correctly explains why FastAPI's /docs requires no extra work (generated from code already written for validation), and correctly names what each of the three sibling courses would specifically need instead - an added framework plus a further add-on for Django, manual configuration of a separate tool for Express, and nothing built at all for Firebase.