<img src="/img/tutorial/behind-a-proxy/image01.png">

But if we access the docs UI at the "official" URL using the proxy with port `9999`, at `/api/v1/docs`, it works correctly! 🎉

You can check it at <a href="http://127.0.0.1:9999/api/v1/docs" class="external-link" target="_blank">http://127.0.0.1:9999/api/v1/docs</a>:

You will see the JSON response as:

```JSON
{"message": "Hello World"}
```

### Interactive API docs

Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

#!/usr/bin/env bash

set -e
set -x

mypy fastapi
ruff check fastapi tests docs_src scripts

 <font color="#4E9A06">│  Serving at: http://0.0.0.0:8000                    │</font>
 <font color="#4E9A06">│                                                     │</font>
 <font color="#4E9A06">│  API docs: http://0.0.0.0:8000/docs                 │</font>
 <font color="#4E9A06">│                                                     │</font>
 <font color="#4E9A06">│  Running in production mode, for development use:   │</font>

* _Ścieżka_ `/items/{item_id}` ma opcjonalny _parametr zapytania_ typu `str` o nazwie `q`.

### Interaktywna dokumentacja API

Otwórz teraz stronę <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

Zobaczysz automatyczną interaktywną dokumentację API (dostarczoną z pomocą <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):

* _путь_ `/items/{item_id}` имеет необязательный `str` _параметр запроса_ `q`.

### Интерактивная документация по API

Перейдите на <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

Вы увидите автоматическую интерактивную документацию API (предоставленную <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):

* `/items/{item_id}` _路径_ 有一个 _路径参数_ `item_id` 并且应该为 `int` 类型。
* `/items/{item_id}` _路径_ 有一个可选的 `str` 类型的 _查询参数_ `q`。

### 交互式 API 文档

现在访问 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>。

你会看到自动生成的交互式 API 文档（由 <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>生成）：

* 🌐 Add Traditional Chinese translation for `docs/zh-hant/benchmarks.md`. PR [#11484](https://github.com/tiangolo/fastapi/pull/11484) by [@KNChiu](https://github.com/KNChiu).
* 🌐 Update Chinese translation for `docs/zh/docs/fastapi-people.md`. PR [#11476](https://github.com/tiangolo/fastapi/pull/11476) by [@billzhong](https://github.com/billzhong).

"docs_src/security/tutorial004.py" = ["B904"]
"docs_src/security/tutorial004_an.py" = ["B904"]
"docs_src/security/tutorial004_an_py310.py" = ["B904"]
"docs_src/security/tutorial004_an_py39.py" = ["B904"]
"docs_src/security/tutorial004_py310.py" = ["B904"]
"docs_src/security/tutorial005.py" = ["B904"]
"docs_src/security/tutorial005_an.py" = ["B904"]
"docs_src/security/tutorial005_an_py310.py" = ["B904"]

#!/bin/sh -e
set -x

ruff check fastapi tests docs_src scripts --fix