/// note | Technical Details

The proxy headers are:

* [X-Forwarded-For](https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/X-Forwarded-For)
* [X-Forwarded-Proto](https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/X-Forwarded-Proto)
* [X-Forwarded-Host](https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/X-Forwarded-Host)

///

			}

			if !rule.Expiration.IsDaysNull() {
				// Specifying the Days tag will automatically perform ExpiredObjectDeleteMarker cleanup
				// once delete markers are old enough to satisfy the age criteria.
				// https://docs.aws.amazon.com/AmazonS3/latest/userguide/lifecycle-configuration-examples.html
				if expectedExpiry := ExpectedExpiryTime(obj.ModTime, int(rule.Expiration.Days)); now.IsZero() || now.After(expectedExpiry) {

* Security - HTTPS
* Running on startup
* Restarts
* **Replication (the number of processes running)**
* Memory
* Previous steps before starting

Up to this point, with all the tutorials in the docs, you have probably been running a **server program**, for example, using the `fastapi` command, that runs Uvicorn, running a **single process**.

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

</div>

## Kontrol Edin { #check-it }

Etkileşimli dokümantasyona gidin: [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs).

Şuna benzer bir şey göreceksiniz:

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

/// check | Authorize butonu!

Artık parıl parıl yeni bir "Authorize" butonunuz var.

///

## Headers Personalizados { #custom-headers }

Ten en cuenta que los headers propietarios personalizados se pueden agregar [usando el prefijo `X-`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers).

import java.io.File;
import java.util.Arrays;
import java.util.Iterator;
import java.util.function.BiConsumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Checks the snippets included in the docs aren't too wide to fit on
 * the page.
 */
public class SnippetLengthCheck extends AbstractFileSetCheck {
    private static final Pattern START = Pattern.compile("^( *)//\\s*tag::(.+?)\\s*$", Pattern.MULTILINE);

            println(bytesWritten)
            if (contentLength != -1L) {
              println("${100 * bytesWritten / contentLength}% done")
            }
          }
        }
      }

    val file = File("docs/images/logo-square.png")
    val requestBody: RequestBody = file.asRequestBody(MEDIA_TYPE_PNG)

    val request =
      Request
        .Builder()
        .header("Authorization", "Client-ID $IMGUR_CLIENT_ID")

Así que, la línea:

```Python
    uvicorn.run(app, host="0.0.0.0", port=8000)
```

no se ejecutará.

/// info | Información

Para más información, revisa [la documentación oficial de Python](https://docs.python.org/3/library/__main__.html).

///

## Ejecuta tu código con tu depurador { #run-your-code-with-your-debugger }

{* ../../docs_src/json_base64_bytes/tutorial001_py310.py ln[1:9,29:35] hl[9] *}

Если вы откроете `/docs`, вы увидите, что поле `data` ожидает байты, закодированные в base64:

<div class="screenshot">
<img src="/img/tutorial/json-base64-bytes/image01.png">
</div>

Вы можете отправить такой HTTP-запрос:

```json
{

```Python
    uvicorn.run(app, host="0.0.0.0", port=8000)
```

не будет выполнена.

/// info | Информация

Для получения дополнительной информации, ознакомьтесь с [официальной документацией Python](https://docs.python.org/3/library/__main__.html).

///

## Запуск вашего кода с помощью отладчика { #run-your-code-with-your-debugger }