[providers]
  [providers.file]
    filename = "routes.toml"
```

Esto le dice a Traefik que escuche en el puerto 9999 y que use otro archivo `routes.toml`.

/// tip | Consejo

Estamos utilizando el puerto 9999 en lugar del puerto HTTP estándar 80 para que no tengas que ejecutarlo con privilegios de administrador (`sudo`).

///

Ahora crea ese otro archivo `routes.toml`:

```TOML hl_lines="5  12  20"
[http]

[providers]
  [providers.file]
    filename = "routes.toml"
```

Dadurch wird Traefik angewiesen, Port 9999 abzuhören und eine andere Datei `routes.toml` zu verwenden.

/// tip | Tipp

Wir verwenden Port 9999 anstelle des Standard-HTTP-Ports 80, damit Sie ihn nicht mit Administratorrechten (`sudo`) ausführen müssen.

///

Erstellen Sie nun die andere Datei `routes.toml`:

```TOML hl_lines="5  12  20"
[http]

[providers]
  [providers.file]
    filename = "routes.toml"
```

This tells Traefik to listen on port 9999 and to use another file `routes.toml`.

/// tip

We are using port 9999 instead of the standard HTTP port 80 so that you don't have to run it with admin (`sudo`) privileges.

///

Now create that other file `routes.toml`:

```TOML hl_lines="5  12  20"
[http]
  [http.middlewares]

                """
            ),
        ] = {}
        self.router: routing.APIRouter = routing.APIRouter(
            routes=routes,
            redirect_slashes=redirect_slashes,
            dependency_overrides_provider=self,
            on_startup=on_startup,
            on_shutdown=on_shutdown,

///

### Adicione o roteador de callback { #add-the-callback-router }

Nesse ponto você tem a(s) *operação(ões) de rota de callback* necessária(s) (a(s) que o *desenvolvedor externo* deveria implementar na *API externa*) no roteador de callback que você criou acima.

    queue.addListener(listener, directExecutor());

    Multiset<Object> counters = ConcurrentHashMultiset.create();
    queue.enqueue(incrementingEvent(counters, listener, 1));
    queue.enqueue(incrementingEvent(counters, listener, 2));
    queue.enqueue(incrementingEvent(counters, listener, 3));
    queue.enqueue(incrementingEvent(counters, listener, 4));
    assertEquals(0, counters.size());
    queue.dispatch();

    queue.addListener(listener, directExecutor());

    Multiset<Object> counters = ConcurrentHashMultiset.create();
    queue.enqueue(incrementingEvent(counters, listener, 1));
    queue.enqueue(incrementingEvent(counters, listener, 2));
    queue.enqueue(incrementingEvent(counters, listener, 3));
    queue.enqueue(incrementingEvent(counters, listener, 4));
    assertEquals(0, counters.size());
    queue.dispatch();

	}

	return m, nil
}

// AddToMux will add the grid manager to the given mux.
func (m *Manager) AddToMux(router *mux.Router, authReq func(r *http.Request) error) {
	router.Handle(m.routePath, m.Handler(authReq))
}

// Handler returns a handler that can be used to serve grid requests.
// This should be connected on RoutePath to the main server.

@router.get("/router-depends/")
async def router_depends(commons: dict = Depends(common_parameters)):
    return {"in": "router-depends", "params": commons}


@router.get("/router-decorator-depends/", dependencies=[Depends(common_parameters)])
async def router_decorator_depends():
    return {"in": "router-decorator-depends"}


app.include_router(router)

client = TestClient(app)

    sub_router = APIRouter(lifespan=subrouter_lifespan)

    router = APIRouter(lifespan=router_lifespan)
    router.include_router(sub_router)

    app = FastAPI(lifespan=lifespan)
    app.include_router(router)

    @app.get("/")
    def main(request: Request) -> dict[str, str]:
        assert request.state.app
        assert request.state.router
        assert request.state.sub_router