次の章では、FastAPIアプリケーションをデプロイするための**具体的なレシピ**を紹介します。

しかし、今はこれらの重要な**コンセプトに基づくアイデア**を確認しましょう。これらのコンセプトは、他のどのタイプのWeb APIにも当てはまります。💡

## セキュリティ - HTTPS

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[前チャプターのHTTPSについて](https.md){.internal-link target=_blank}では、HTTPSがどのようにAPIを暗号化するのかについて学びました。

通常、アプリケーションサーバにとって**外部の**コンポーネントである**TLS Termination Proxy**によって提供されることが一般的です。このプロキシは通信の暗号化を担当します。

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    val trailers: Headers = response.trailers()
    val peekBody: ResponseBody = response.peekBody(0L)
    val body: ResponseBody = response.body
    val builder: Response.Builder = response.newBuilder()
    val redirect: Boolean = response.isRedirect
    val networkResponse: Response? = response.networkResponse
    val cacheResponse: Response? = response.cacheResponse
    val priorResponse: Response? = response.priorResponse

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