* collection is empty, but we'd still like to test retainAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.
   */

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_nullCollectionReferenceEmptySubject() {
    try {
      collection.retainAll(null);

			// This is wrong and leads to an output file that mangles the
			// atime and ctime fields, which are often left unused.
			//
			// In order to continue reading tar files created by former, buggy
			// versions of Go, we skeptically parse the atime and ctime fields.
			// If we are unable to parse them and the prefix field looks like

		for attribKey, attribValue := range lookupResult.Attributes {
			opts.claims[ldapAttribPrefix+attribKey] = attribValue
		}

		// NOTE: if not using LDAP, then internal IDP or open ID is
		// being used - in the former, group info is enforced when
		// generated credentials are used to make requests, and in the
		// latter, a group notion is not supported.
	}

```

</div>

////

La única opción nueva aquí es `--workers` indicando a Uvicorn que inicie 4 worker processes.

También puedes ver que muestra el **PID** de cada proceso, `27365` para el proceso padre (este es el **gestor de procesos**) y uno para cada worker process: `27368`, `27369`, `27370`, y `27367`.

## Conceptos de Despliegue { #deployment-concepts }

///

#### `CMD` – Exec Form verwenden { #use-cmd-exec-form }

Die <a href="https://docs.docker.com/reference/dockerfile/#cmd" class="external-link" target="_blank">`CMD`</a> Docker-Anweisung kann in zwei Formen geschrieben werden:

✅ **Exec** form:

```Dockerfile
# ✅ Tun Sie das
CMD ["fastapi", "run", "app/main.py", "--port", "80"]
```

⛔️ **Shell** form:

```Dockerfile
# ⛔️ Tun Sie das nicht

    font-family: var(--md-code-font-family), 'Roboto Mono', 'Fira Mono', Consolas, Menlo, Monaco, 'Courier New', Courier, monospace;
    border-radius: 4px;
    padding: 75px 45px 35px;
    position: relative;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    /* Custom line-height */
    line-height: 1.2;
}

[data-termynal]:before {
    content: '';
    position: absolute;
    top: 15px;

*/

.screenshot {
  display: block;
  background-color: #d3e0de;
  border-radius: 4px;
  padding: 45px 5px 5px;
  position: relative;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.screenshot img {
  display: block;
  border-radius: 2px;
}

.screenshot:before {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;

<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}

### Gold- und Silber-Sponsoren { #gold-and-silver-sponsors }

{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}

{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}

<!-- /sponsors -->

* the task
* the background task
* the task function

* the template
* the template engine

* the type annotation
* the type hint

* the server worker
* the Uvicorn worker
* the Gunicorn Worker
* the worker process
* the worker class
* the workload

* the deployment
* to deploy

* the SDK
* the software development kit

* the `APIRouter`
* the `requirements.txt`