更多细节查看 <a href="https://www.starlette.dev/background/" class="external-link" target="_blank">Starlette's official docs for Background Tasks</a>.

## 告诫

如果您需要执行繁重的后台计算，并且不一定需要由同一进程运行（例如，您不需要共享内存、变量等），那么使用其他更大的工具（如 <a href="https://docs.celeryq.dev" class="external-link" target="_blank">Celery</a>）可能更好。

它们往往需要更复杂的配置，即消息/作业队列管理器，如RabbitMQ或Redis，但它们允许您在多个进程中运行后台任务，甚至是在多个服务器中。

{* ../../docs_src/app_testing/tutorial002.py hl[27:31] *}

/// note | 참고

자세한 내용은 Starlette의 <a href="https://www.starlette.dev/testclient/#testing-websocket-sessions" class="external-link" target="_blank"> WebSocket 테스트</a>에 관한 설명서를 참고하시길 바랍니다.

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package target

import (
	"path"
	"path/filepath"
	"testing"

	xnet "github.com/minio/pkg/v3/net"
	natsserver "github.com/nats-io/nats-server/v2/test"
)

func TestNatsConnTLSCustomCA(t *testing.T) {

    // The local repository for this category of tests
    // ----------------------------------------------------------------------

    protected File getLocalRepositoryPath() {
        return getTestFile("target/test-classes/inheritance-repo/" + getTestSeries());
    }

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();
        EmptyLifecycleBindingsInjector.useEmpty();
    }

        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-dependency-resolution</artifactId>
        <version>2.1-SNAPSHOT</version>
        <configuration>
          <compileClassPath>target/compile.txt</compileClassPath>
        </configuration>
      </plugin>
    </plugins>
  </build>

	} else {
		bs.XferRateSml.addSize(sz, duration)
	}
}

// RMetricName - name of replication metric
type RMetricName string

const (
	// Large - objects larger than 128MiB
	Large RMetricName = "Large"
	// Small - objects smaller than 128MiB
	Small RMetricName = "Small"
	// Total - metric pertaining to totals
	Total RMetricName = "Total"
)

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Used to configure your Mojo parameters to be injected by

Por exemplo, vamos adicionar <a href="https://github.com/Rebilly/ReDoc/blob/master/docs/redoc-vendor-extensions.md#x-logo" class="external-link" target="_blank">Extensão OpenAPI do ReDoc para incluir um logo personalizado</a>.

### **FastAPI** Normal { #normal-fastapi }

Primeiro, escreva toda a sua aplicação **FastAPI** normalmente:

Büyük bulut sağlayıcıların çoğu FastAPI uygulamasını yayınlamak için kılavuzlara sahiptir.

## Bulut Sağlayıcılar - Sponsorlar

Bazı bulut sağlayıcılar ✨ [**FastAPI destekçileridir**](../help-fastapi.md#sponsor-the-author){.internal-link target=_blank} ✨, bu FastAPI ve **ekosisteminin** sürekli ve sağlıklı bir şekilde **gelişmesini** sağlar.

Ayrıca, size **iyi servisler** sağlamakla kalmayıp, **iyi ve sağlıklı bir framework** olan FastAPI'a bağlılıklarını gösterir.

```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

/// tip

<a href="https://docs.python.org/3.8/library/os.html#os.getenv" class="external-link" target="_blank">`os.getenv()`</a> の第2引数は、デフォルトで返される値を指定します。

この引数を省略するとデフォルト値として`None`が返されますが、ここではデフォルト値として`"World"`を指定しています。

///

次に、このPythonプログラムを呼び出します。

//// tab | Linux, macOS, Windows Bash