How to pass an argument to a 'dependencies' function in FastAPI?
Mar 20, 2025 · The FastAPI Advanced Dependencies guide has a couple examples, specifically oriented around classes. But in your example, so long as verify_token("red") returns a callable with the right …
Python FastAPI base path control - Stack Overflow
Dec 3, 2021 · When I use FastAPI , how can I sepcify a base path for the web-service? To put it another way - are there arguments to the FastAPI object that can set the end-point and any others I define, to …
python - Does FastAPI still need Gunicorn? - Stack Overflow
Jul 8, 2025 · Shortly after, FastAPI’s creator deprecated the tiangolo/uvicorn-gunicorn-fastapi Docker image, stating: Now that Uvicorn supports managing workers with --workers, including restarting …
fastapi - How to read body as any valid json? - Stack Overflow
Oct 15, 2020 · The accepted answer is valid as well, but FastAPI provides a built-in way to do that - check the Singular values in body section in docs. A parameter with the default Body gets all the …
swagger - FastAPI Fetch error Failed to load .../openapi.json: 404 ...
Jun 20, 2024 · It seems the issue arises because FastAPI needs to know the root path for all routes when deployed behind a reverse proxy or API Gateway that adds a prefix to the URL. Here's how I …
FastAPI/uvicorn not working when specifying host [duplicate]
The FastAPI/uvicorn server is not working when specifying the host.
How to get the raw URL path from request in FastAPI?
May 12, 2022 · As FastAPI is actually Starlette underneath, with a layer of several tools on top, you can use Starlette's Request object directly when you need to. Thus, you can use Request object to get …
FastAPI StreamingResponse not streaming with generator function
Mar 15, 2023 · from fastapi import FastAPI from fastapi.responses import StreamingResponse import asyncio app = FastAPI() async def fake_data_streamer(): for i in range(10): yield b'some fake …
How can I reduce the startup time of FastAPI? [closed]
Jul 12, 2025 · I'm building a Retrieval-Augmented Generation (RAG) application using Python + FastAPI. I'm also running a Kafka consumer alongside the FastAPI app to process incoming text and …
Performance results differ between run_in_threadpool () and run_in ...
Jun 26, 2025 · Using run_in_threadpool() FastAPI is fully compatible with (and based on) Starlette, and hence, with FastAPI you get all of Starlette's features, such as run_in_threadpool(). Starlette's …