How do you include a router in your main FastAPI app?
WHAT IT TESTS: knowledge of the APIRouter wiring pattern. ANSWER OUTLINE: create APIRouter in another file, import it into main.py, then call app.include_router(router). RED FLAG: rewriting endpoints manually in main.py rather than using include_router.
WHAT IT TESTS: whether you understand FastAPI's modular architecture and the canonical way to mount sub-routers via include_router. ANSWER OUTLINE: first, instantiate APIRouter in a separate module and decorate path operations on it; second, import that router object into your main file; third, call app.include_router(router) after creating the FastAPI instance. RED FLAG: defining all routes directly on the main app or copy-pasting route logic instead of importing and including the router object.
Read the original → fastapi.tiangolo.com
- #fastapi
- #python
- #api-router
- #backend
- #modularity
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