It has **sensible defaults**, but you can still change and update all the configurations with **environment variables** or configuration files.

It also supports running <a href="https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker#pre_start_path" class="external-link" target="_blank">**previous steps before starting**</a> with a script.

!!! tip

```Python hl_lines="6"
{!../../../docs_src/path_operation_advanced_configuration/tutorial001.py!}
```

### ⚙️ *➡ 🛠️ 🔢* 📛 {

🚥 👆 💚 ⚙️ 👆 🔗' 🔢 📛 `operationId`Ⓜ, 👆 💪 🔁 🤭 🌐 👫 & 🔐 🔠 *➡ 🛠️* `operation_id` ⚙️ 👫 `APIRoute.name`.

👆 🔜 ⚫️ ⏮️ ❎ 🌐 👆 *➡ 🛠️*.

```Python hl_lines="2  12-21  24"
{!../../../docs_src/path_operation_advanced_configuration/tutorial002.py!}
```

!!! tip

No more typing the wrong key names, coming back and forth between docs, or scrolling up and down to find if you finally used `username` or `user_name`.

### Short

It has sensible **defaults** for everything, with optional configurations everywhere. All the parameters can be fine-tuned to do what you need and to define the API you need.

But by default, it all **"just works"**.

### Validation

I'll also show you the **official Docker image** that includes **Gunicorn with Uvicorn workers** and some default configurations that can be useful for simple cases.

## 디버거로 코드 실행

코드에서 직접 Uvicorn 서버를 실행하고 있기 때문에 디버거에서 직접 Python 프로그램(FastAPI 애플리케이션)을 호출할 수 있습니다.

---

예를 들어 Visual Studio Code에서 다음을 수행할 수 있습니다.

* "Debug" 패널로 이동합니다.
* "Add configuration...".
* "Python"을 선택합니다.
* "`Python: Current File (Integrated Terminal)`" 옵션으로 디버거를 실행합니다.

그런 다음 **FastAPI** 코드로 서버를 시작하고 중단점 등에서 중지합니다.

다음과 같이 표시됩니다.

<img src="/img/tutorial/debugging/image01.png">

    ```Python hl_lines="1  15"
    {!> ../../../docs_src/path_operation_configuration/tutorial001_py310.py!}
    ```

=== "Python 3.9+"

    ```Python hl_lines="3  17"
    {!> ../../../docs_src/path_operation_configuration/tutorial001_py39.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="3  17"
    {!> ../../../docs_src/path_operation_configuration/tutorial001.py!}
    ```

# Behind a Proxy

In some situations, you might need to use a **proxy** server like Traefik or Nginx with a configuration that adds an extra path prefix that is not seen by your application.

In these cases you can use `root_path` to configure your application.

The `root_path` is a mechanism provided by the ASGI specification (that FastAPI is built on, through Starlette).

The `root_path` is used to handle these specific cases.

### ⚙️ 👆 🔖

⚙️ `tags` 🔢 ⏮️ 👆 *➡ 🛠️* (& `APIRouter`Ⓜ) 🛠️ 👫 🎏 🔖:

```Python hl_lines="21  26"
{!../../../docs_src/metadata/tutorial004.py!}
```

!!! info
    ✍ 🌅 🔃 🔖 [➡ 🛠️ 📳](path-operation-configuration.md#_3){.internal-link target=_blank}.

### ✅ 🩺

🔜, 🚥 👆 ✅ 🩺, 👫 🔜 🎦 🌐 🌖 🗃:

<img src="/img/tutorial/metadata/image02.png">

### ✔ 🔖

✔ 🔠 🔖 🗃 📖 🔬 ✔ 🎦 🩺 🎚.

* <a href="http://jinja.pocoo.org" target="_blank"><code>jinja2</code></a> - Richiesto se vuoi usare la configurazione template di default.

### Court

Des **valeurs par défaut** sont définies pour tout, des configurations optionnelles sont présentent partout. Tous ces paramètres peuvent être ajustés afin de faire ce que vous voulez et définir l'API dont vous avez besoin.

Mais, **tout fonctionne** par défaut.

### Validation