One FastAPI application however multiple developers can work simultaneously on different services. This approach uses separate service classes, routers, and a main application file. Folder Structure fastapi_app/ ├── app/ │ ├── __init__.py │ ├── main.py │ ├── core/ │ │ ├── __init__.py │ │ └── config.py │ ├── services/ │ │ ├── __init__.py │ │ ├── service1.py │ │ ├── service2.py │ │ ├── service3.py │ │ └── service4.py │ ├── routers/ │ │ ├── __init__.py │ │ ├── router1.py │ │ ├── router2.py │ │ ├── router3.py │ │ └── router4.py │ └── models/ │ ├── __init__.py │ └── models.py └── requirements.txt Example Code app/main.py from fastapi import FastAPI from app.routers import router1, router2, router3, router4 app = FastAPI() app.include_router(router1.router) app.include_router(router2.router) app.include_router(router3.router) app.include_router(router4.router) if __name__ == "__main__": import uvicorn ...
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