July 2024
Beginner to intermediate
272 pages
5h 40m
Japanese
Content preview from アーキテクトの教科書 価値を生むソフトウェアのアーキテクチャ構築
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120
このようにサービス分割をした上で、クライアントのユーザーイン
ターフェース（Webブラウザまたはモバイルアプリ）からのリクエスト
を受け付けるAPIゲートウェイを設けています。ユースケースによっ
ては経費精算サービスのAPIだけでなく証憑管理サービスや不正検知
サービスへのAPIを呼び出すこともあるので、それらのAPIの隠蔽や
集約を行う層を置きました。
Column
BFFパターン
ケーススタディの非機能要求の中に、以下のマルチデバイス対応に関する
要求がありました。
●
［REQ-24］申請や承認やスマートフォンやタブレット端末からも行う
ことができる
最近のフロントエンド技術は多様化が進んでいます。React Nativeや
Flutterのようなマルチデバイス対応、クロスプラットフォーム対応のフレー
ムワークもありますが、クライアントのデバイスごとに最適な技術を使用し
てアプリケーションを構築することも少なくありません。
APIゲートウェイが複数のクライアントアプリケーション向けのAPIをす
べて提供しようとすると、それぞれの技術要件に適した専用のエンドポイン
トを多数用意することになり、肥大化してしまいます。
これを解決するために、クライアントアプリケーションごとに専用のAPI
ゲートウェイを用意するのが、BFF（Backends for frontends）パターンと呼
ばれるものです。
ケーススタディにBFFパターンを適用するなら、図3.3.11のようにWeb
アプリ用のBFFとモバイルアプリ用のBFF ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.