## Integrated middlewares { #integrated-middlewares }

**FastAPI** includes several middlewares for common use cases, we'll see next how to use them.

/// note | Technical Details

For the next examples, you could also use `from starlette.middleware.something import SomethingMiddleware`.

## `Header` 매개변수 선언

`Path`, `Query` 그리고 `Cookie`를 사용한 동일한 구조를 이용하여 헤더 매개변수를 선언합니다.

첫 번째 값은 기본값이며, 추가 검증이나 어노테이션 매개변수 모두 전달할 수 있습니다:

{* ../../docs_src/header_params/tutorial001.py hl[9] *}

/// note | 기술 세부사항

`Header`는 `Path`, `Query` 및 `Cookie`의 "자매"클래스입니다. 이 역시 동일한 공통 `Param` 클래스를 상속합니다.

`Query`, `Path`, `Header` 그리고 다른 것들을 `fastapi`에서 임포트 할 때, 이들은 실제로 특별한 클래스를 반환하는 함수임을 기억하세요.

///

/// info | 정보

Більше про <abbr title="Cross-Origin Resource Sharing">CORS</abbr> можна дізнатися в <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">документації Mozilla</a>.

/// note | Технічні деталі

Також можна використовувати `from starlette.middleware.cors import CORSMiddleware`.

          <name>childProjectUrlInheritAppendPath</name>
          <version>4.0.0+</version>
          <description>
            <![CDATA[
            When children inherit from project's url, append path or not? Note: While the type
            of this field is {@code String} for technical reasons, the semantic type is actually
            {@code Boolean}
            <p><b>Default value is</b>: {@code true}</p>

import jcifs.smb1.util.LogStream;

/**
For initiating NTLM authentication (including NTLMv2). If you want to add NTLMv2 authentication support to something this is what you want to use. See the code for details. Note that JCIFS does not implement the acceptor side of NTLM authentication.
 */

public class NtlmContext {

    NtlmPasswordAuthentication auth;
    int ntlmsspFlags;
    String workstation;

 * abused as a cache (i.e. for storing values that can be re-calculated) to avoid memory exhaustion.
 * <p>
 * <strong>Note:</strong> Actual implementations must be thread-safe.
 *
 * @see Session#getData()
 * @since 4.0.0
 */
@Experimental
@ThreadSafe
@Provider
public interface SessionData {

    /**

`404`와 같은 `int`형 코드를 직접 전달할수 있습니다.

하지만 각 코드의 의미를 모른다면, `status`에 있는 단축 상수들을 사용할수 있습니다:

{* ../../docs_src/path_operation_configuration/tutorial001.py hl[3,17] *}

각 상태 코드들은 응답에 사용되며, OpenAPI 스키마에 추가됩니다.

/// note | 기술적 세부사항

다음과 같이 임포트하셔도 좋습니다. `from starlette import status`.

**FastAPI**는 개발자 여러분의 편의를 위해서 `starlette.status`와 동일한 `fastapi.status`를 제공합니다. 하지만 Starlette에서 직접 온 것입니다.

///

## 태그

public class HtmlTagBasedGeneratorTest extends UnitFessTestCase {
    private static final Logger logger = LogManager.getLogger(HtmlTagBasedGeneratorTest.class);

    public void test_saveImage() throws Exception {
        // Note: This test requires FessConfig from ComponentUtil
        // We skip it when container is not initialized
        try {
            HtmlTagBasedGenerator generator = new HtmlTagBasedGenerator();

   * That may happen later by the connection pool thread.
   */
  fun cancel()

  /**
   * Carries an exchange. This is usually a connection, but it could also be a connect plan for
   * CONNECT tunnels. Note that CONNECT tunnels are significantly less capable than connections.
   */
  interface Carrier {
    val route: Route

    fun trackFailure(
      call: RealCall,
      e: IOException?,
    )

MinIO server expects environment variable for etcd as `MINIO_ETCD_ENDPOINTS`, this environment variable takes many comma separated entries.

```
export MINIO_ETCD_ENDPOINTS=http://localhost:2379
minio server /data
```