@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

**Przypis**:

Jeżeli nie znasz, sprawdź sekcję _"In a hurry?"_ o <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` i `await` w dokumentacji</a>.

</details>

### Uruchom

Uruchom serwer używając:

<div class="termy">

```console

Using Linux containers has several advantages including **security**, **replicability**, **simplicity**, and others.

!!! tip
    In a hurry and already know this stuff? Jump to the [`Dockerfile` below 👇](#build-a-docker-image-for-fastapi).

<details>
<summary>Dockerfile Preview 👀</summary>

```Dockerfile
FROM python:3.9

WORKDIR /code

@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

**Note**:

如果你不知道是否会用到，可以查看文档的 _"In a hurry?"_ 章节中 <a href="https://fastapi.tiangolo.com/zh/async/#in-a-hurry" target="_blank">关于 `async` 和 `await` 的部分</a>。

</details>

### 运行

通过以下命令运行服务器：

<div class="termy">

```console
$ uvicorn main:app --reload

    return {"item_id": item_id, "q": q}
```

**Примечание**:

Если вы не знаете, проверьте раздел _"Торопитесь?"_ <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">в документации об `async` и `await`</a>.

</details>

### Запуск

Запустите сервер с помощью:

<div class="termy">

```console
$ uvicorn main:app --reload

            Errors.DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE,
            Errors.DELEGATE_PD_METHOD_NONE_APPLICABLE,
        )

        private val DiagnosticFactoryForDeprecation<*, *, *>.factories: Array<DiagnosticFactoryWithPsiElement<*, *>>
            get() = arrayOf(warningFactory, errorFactory)
    }

    override val token: KtLifetimeToken
        get() = analysisSession.token

                    is FirNamedFunctionSymbol -> {
                        // arrayOf call with a single vararg argument.
                        if (resolvedSymbol.callableId.asSingleFqName() in ArrayFqNames.ARRAY_CALL_FQ_NAMES)
                            argumentList.arguments.singleOrNull()?.convertConstantExpression(builder)
                                ?: KtArrayAnnotationValue(emptyList(), sourcePsi, token)

import java.util.concurrent.atomic.AtomicInteger
import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.headersOf
import okhttp3.TestUtil.headerEntries
import okhttp3.TestUtil.repeat
import okhttp3.internal.EMPTY_BYTE_ARRAY
import okhttp3.internal.EMPTY_HEADERS
import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.connection.Locks.withLock
import okhttp3.internal.notifyAll

@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

**Note**:

If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.

</details>

### Run it

Run the server with:

<div class="termy">

```console
$ fastapi dev main.py