/// tip | Dica

O "PATCH" é o último número, por exemplo, em `0.2.3`, a versão PATCH é `3`.

///

Logo, você deveria conseguir fixar a versão, como:

```txt
fastapi>=0.45.0,<0.46.0
```

Mudanças significativas e novas funcionalidades são adicionadas em versões "MINOR".

/// tip | Dica

```JSON
{
  "detail": "Item not found"
}
```

/// tip | Tipp

Wenn Sie eine `HTTPException` auslösen, können Sie dem Parameter `detail` jeden Wert übergeben, der in JSON konvertiert werden kann, nicht nur `str`.

Sie könnten ein `dict`, eine `list`, usw. übergeben.

{* ../../docs_src/security/tutorial001_an_py39.py hl[8] *}

/// tip | Tipp

Hier bezieht sich `tokenUrl="token"` auf eine relative URL `token`, die wir noch nicht erstellt haben. Da es sich um eine relative URL handelt, entspricht sie `./token`.

    }
}
```

/// tip | Consejo

Observa el server auto-generado con un valor `url` de `/api/v1`, tomado del `root_path`.

///

En la UI de los docs en <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> se vería como:

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

/// tip | Consejo

# Environment Variables { #environment-variables }

/// tip

If you already know what "environment variables" are and how to use them, feel free to skip this.

///

An environment variable (also known as "**env var**") is a variable that lives **outside** of the Python code, in the **operating system**, and could be read by your Python code (or by other programs as well).

But now, having `Query(max_length=50)` inside of `Annotated`, we are telling FastAPI that we want it to have **additional validation** for this value, we want it to have maximum 50 characters. 😎

/// tip

Here we are using `Query()` because this is a **query parameter**. Later we will see others like `Path()`, `Body()`, `Header()`, and `Cookie()`, that also accept the same arguments as `Query()`.

///

Existem algumas funcionalidades adicionais para lidar com segurança além das cobertas em [Tutorial - Guia de Usuário: Segurança](../../tutorial/security/index.md){.internal-link target=_blank}.

/// tip | Dica

As próximas seções **não são necessariamente "avançadas"**.

E é possível que para o seu caso de uso, a solução está em uma delas.

///

## Leia o Tutorial primeiro { #read-the-tutorial-first }

Vous devriez le faire après avoir ajouté toutes vos *paramètres de chemin*.

{* ../../docs_src/path_operation_advanced_configuration/tutorial002.py hl[2,12:21,24] *}

/// tip | Astuce

Si vous appelez manuellement `app.openapi()`, vous devez mettre à jour les `operationId` avant.

///

/// warning | Attention

addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const tip = this.getTipElement()\n    this.setElementContent($(tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle())\n    $(tip).removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  setElementContent($element, content) {\n    if (typeof content === 'object'...

# Gelişmiş Güvenlik

## Ek Özellikler

[Tutorial - User Guide: Security](../../tutorial/security/index.md){.internal-link target=_blank} sayfasında ele alınanların dışında güvenlikle ilgili bazı ek özellikler vardır.

/// tip | İpucu

Sonraki bölümler **mutlaka "gelişmiş" olmak zorunda değildir**.

Kullanım şeklinize bağlı olarak, çözümünüz bu bölümlerden birinde olabilir.

///

## Önce Öğreticiyi Okuyun