And whenever you update the backend code, and **regenerate** the frontend, it would have any new *path operations* available as methods, the old ones removed, and any other change would be reflected on the generated code. 🤓

This also means that if something changed it will be **reflected** on the client code automatically. And if you **build** the client it will error out if you have any **mismatch** in the data used.

<img src="/img/tutorial/behind-a-proxy/image03.png">

!!! tip
    The docs UI will interact with the server that you select.

### Disable automatic server from `root_path`

If you don't want **FastAPI** to include an automatic server using the `root_path`, you can use the parameter `root_path_in_servers=False`:

```Python hl_lines="9"

    "tests",
    "fastapi"
]
context = '${CONTEXT}'
omit = [
    "docs_src/response_model/tutorial003_04.py",
    "docs_src/response_model/tutorial003_04_py310.py",
]

[tool.ruff.lint]
select = [
    "E",  # pycodestyle errors
    "W",  # pycodestyle warnings
    "F",  # pyflakes
    "I",  # isort
    "B",  # flake8-bugbear
    "C4",  # flake8-comprehensions
    "UP",  # pyupgrade
]

* 👥 Update FastAPI People. PR [#2454](https://github.com/tiangolo/fastapi/pull/2454) by [@github-actions[bot]](https://github.com/apps/github-actions).

### Translations

* 🌐 Add docs lang selector widget. PR [#2542](https://github.com/tiangolo/fastapi/pull/2542) by [@tiangolo](https://github.com/tiangolo).

        ```python
        from fastapi import FastAPI

        app = FastAPI()

        @app.delete("/items/{item_id}")
        def delete_item(item_id: str):
            return {"message": "Item deleted"}
        ```
        """
        return self.router.delete(
            path,
            response_model=response_model,
            status_code=status_code,
            tags=tags,

    The `--upgrade` option tells `pip` to upgrade the packages if they are already installed.

    Because the previous step copying the file could be detected by the **Docker cache**, this step will also **use the Docker cache** when available.

        app = FastAPI()
        router = APIRouter()

        @router.delete("/items/{item_id}")
        def delete_item(item_id: str):
            return {"message": "Item deleted"}

        app.include_router(router)
        ```
        """
        return self.api_route(
            path=path,
            response_model=response_model,
            status_code=status_code,