// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

Insbesondere wenn die Anwendung auf **Kubernetes** läuft, werden Sie Gunicorn wahrscheinlich **nicht** verwenden wollen und stattdessen **einen einzelnen Uvicorn-Prozess pro Container** ausführen wollen, aber ich werde Ihnen später in diesem Kapitel mehr darüber erzählen.

///

## Gunicorn mit Uvicorn-Workern

// HIGH RISK ACTIVITIES.
//
//
// The rest is:
//
// Copyright (C) 1996 by Jef Poskanzer <******@****.***>.  All rights reserved.
//
// Copyright (C) 1996 by Wolfgang Platzer
// email: ******@****.***
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions

Der Vorteil, eine Exception auszulösen (`raise`), statt sie zurückzugeben (`return`) wird im Abschnitt über Abhängigkeiten und Sicherheit klarer werden.

Im folgenden Beispiel lösen wir, wenn der Client eine ID anfragt, die nicht existiert, eine Exception mit dem Statuscode `404` aus.

```Python hl_lines="11"
{!../../docs_src/handling_errors/tutorial001.py!}
```

          <version>3.8.0</version>
          <configuration>
            <!-- TODO: b/286965322 - Use a newer version (probably the default toolchain we set up?) if it doesn't break Javadoc (including causing trouble for our later run of JDiff, which we do outside Maven, during snapshots/releases). -->
            <jdkToolchain>
              <version>11</version>
              <vendor>zulu</vendor>
            </jdkToolchain>

          <version>3.8.0</version>
          <configuration>
            <!-- TODO: b/286965322 - Use a newer version (probably the default toolchain we set up?) if it doesn't break Javadoc (including causing trouble for our later run of JDiff, which we do outside Maven, during snapshots/releases). -->
            <jdkToolchain>
              <version>11</version>
              <vendor>zulu</vendor>
            </jdkToolchain>

 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

/// 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()`.

///

FastAPI will now: