<span style="background-color:#007166"><font color="#D3D7CF"> tip </font></span>  Running in development mode, for production use:
             <b>fastapi run</b>

             Logs:

- The Service trafficDistribution...

      <span style="background-color:#007166"><font color="#D3D7CF"> tip </font></span>  Running in development mode, for production use:
             <b>fastapi run</b>

             Logs:

Vous pouvez lire plus de détails dans [« Exécuter lifespan dans les tests sur le site de documentation officiel de Starlette. »](https://www.starlette.dev/lifespan/#running-lifespan-in-tests)

Pour les événements dépréciés `startup` et `shutdown`, vous pouvez utiliser le `TestClient` comme suit :

## Спробуйте { #try-it }

Розмістіть код у файлі `main.py`, а потім запустіть ваш застосунок:

<div class="termy">

```console
$ fastapi dev

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

</div>

Відкрийте у браузері [http://127.0.0.1:8000](http://127.0.0.1:8000).

Ви побачите просту сторінку на кшталт:

      <span style="background-color:#007166"><font color="#D3D7CF"> tip </font></span>  Running in development mode, for production use:
             <b>fastapi run</b>

             Logs:

</p>

<p>
This program starts a goroutine for every entry in the work list, but the
goroutines coordinate using the <code>limit</code> channel to ensure
that at most three are running work functions at a time.
</p>

<pre>
var limit = make(chan int, 3)

func main() {
	for _, w := range work {
		go func(w func()) {
			limit &lt;- 1
			w()
			&lt;-limit
		}(w)
	}

     */
    public void setRunner(final OpenSearchRunner runner) {
        this.runner = runner;
    }

    /**
     * Checks if the search engine is running in embedded mode.
     *
     * @return true if running in embedded mode, false otherwise
     */
    public boolean isEmbedded() {
        return runner != null;
    }

    /**

      <span style="background-color:#007166"><font color="#D3D7CF"> tip </font></span>  Running in development mode, for production use:
             <b>fastapi run</b>

             Logs:

## Pruébalo { #try-it }

Pon tu código en un archivo `main.py` y luego ejecuta tu aplicación:

<div class="termy">

```console
$ fastapi dev

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

</div>

Abre tu navegador en [http://127.0.0.1:8000](http://127.0.0.1:8000).

Verás una página simple como: