**ネタバレ注意**: チュートリアル - ユーザーガイドは以下の情報が含まれています:

- **ヘッダー**、**クッキー**、**フォームフィールド**、**ファイル**などの他の場所からの **パラメータ** 宣言。
- `maximum_length`や`regex`のような**検証や制約**を設定する方法。
- 非常に強力で使いやすい <abbr title="also known as components, resources, providers, services, injectables">**依存性注入**</abbr>システム。
- **JWT トークン**を用いた **OAuth2** や **HTTP Basic 認証** のサポートを含む、セキュリティと認証。
- **深くネストされた JSON モデル**を宣言するためのより高度な（しかし同様に簡単な）技術（Pydantic のおかげです）。
- 以下のようなたくさんのおまけ機能(Starlette のおかげです):

of resources utilization under steady load.\n\n- **vCPU / 1k rps:** shows vCPU utilization by the main Istio components normalized by 1000 requests/second. When idle or low traffic, this chart will be blank. The curve for istio-proxy refers to the services sidecars only.\n- **vCPU:** vCPU utilization by Istio components, not normalized.\n- **Memory:** memory footprint for the components. Telemetry and policy are normalized by 1k rps, and no data is shown  when there is no traffic. For ingress and istio-proxy,...

これらは、システム、データストア、リレーショナルデータベース、NoSQLデータベースなどと簡単に統合できる再利用可能なツールとコンポーネントとして構築されています。

### 依存性の注入（Dependency Injection）

FastAPIには非常に使いやすく、非常に強力な<abbr title='also known as "components", "resources", "services", "providers"'><strong>依存性の注入</strong></abbr>システムを備えています。

* 依存関係でさえも依存関係を持つことができ、階層または **依存関係の"グラフ"** を作成することができます。

* フレームワークによってすべて**自動的に処理**されます。

## Meningen

"_[...] Ik gebruik **FastAPI** heel vaak tegenwoordig. [...] Ik ben van plan om het te gebruiken voor alle **ML-services van mijn team bij Microsoft**. Sommige van deze worden geïntegreerd in het kernproduct van **Windows** en sommige **Office**-producten._"

* Çok güçlü ve kullanımı kolay **<abbr title="Bağımlılık Enjeksiyonu: components, resources, providers, services, injectables olarak da biliniyor.">Bağımlılık Enjeksiyonu</abbr>** sistemi oluşturmayı.
* Güvenlik ve kimlik doğrulama, **JWT tokenleri** ile **OAuth2** desteği, ve **HTTP Basic** doğrulaması.
* İleri seviye fakat bir o kadarda basit olan **çok derin JSON modelleri** (Pydantic sayesinde).

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Supplier;

import org.apache.maven.api.services.ModelBuilder;
import org.apache.maven.internal.impl.DefaultModelUrlNormalizer;
import org.apache.maven.internal.impl.DefaultModelVersionParser;
import org.apache.maven.internal.impl.DefaultModelXmlFactory;

# Configurações e Variáveis de Ambiente

Em muitos casos a sua aplicação pode precisar de configurações externas, como chaves secretas, credenciais de banco de dados, credenciais para serviços de email, etc.

A maioria dessas configurações é variável (podem mudar), como URLs de bancos de dados. E muitas delas podem conter dados sensíveis, como tokens secretos.

Por isso é comum prover essas configurações como variáveis de ambiente que são utilizidas pela aplicação.

    /**
     * Tests to see if the SMB resource exists. If the resource refers
     * only to a server, this method determines if the server exists on the
     * network and is advertising SMB services. If this resource refers to
     * a workgroup, this method determines if the workgroup name is valid on
     * the local SMB network. If this <code>SmbResource</code> refers to the root

/**
 * Static utility methods pertaining to {@link InetAddress} instances.
 *
 * <p><b>Important note:</b> Unlike {@code InetAddress.getByName()}, the methods of this class never
 * cause DNS services to be accessed. For this reason, you should prefer these methods as much as
 * possible over their JDK equivalents whenever you are expecting to handle only IP address string

Starlette is a lightweight <abbr title="The new standard for building asynchronous Python web applications">ASGI</abbr> framework/toolkit, which is ideal for building high-performance asyncio services.

It is very simple and intuitive. It's designed to be easily extensible, and have modular components.

It has:

* Seriously impressive performance.
* WebSocket support.
* In-process background tasks.