fastapi cannot browser API documentation-CodePudding

My project directory structure is like this:

.
├── .env
│   ├── Include
│   ├── Lib
│   ├── Scripts
│   └── pyvenv.cfg
├── .vscode
│   └── launch.json
└── src
    ├── __pycache__
    └── main.py

I write some code in the main.py file:

import fastapi
from fastapi import FastAPI

app=FastAPI()

@app.get("/")
def health():
    return "ok"

@app.get("/version")
def version():
    return fastapi.__version__

Then launch the project: uvicorn main:app --port 9090 --root-path src --reload
I can request APIs successed, but when I try to browser the swagger documents, I will get a fetch error:

INFO:     127.0.0.1:50659 - "GET /docs HTTP/1.1" 200 OK
INFO:     127.0.0.1:50659 - "GET /src/openapi.json HTTP/1.1" 404 Not Found

Should I do some configuration to resolve this problem? I use python v3.10.5 and fastapi v0.85.0, thanks!

CodePudding user response：

The root-path parameter is used in situations where you use a reverse proxy. If your reverse proxy adds a path to your URL, your code can still ignore that path.

From the docs:

Having a proxy with a stripped path prefix, in this case, means that you could declare a path at /app in your code, but then, you add a layer on top (the proxy) that would put your FastAPI application under a path like /api/v1.

In this case, the original path /app would actually be served at /api/v1/app.

Even though all your code is written assuming there's just /app.

It is not used to point to a folder in your project structure. So, remove the root-path param in your uvicorn command and you should be good to go.