August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
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455
A.6 Flask アプリケーションのデプロイ
A.6
Flask
アプリケーションのデプロイ
開発時には、
Flask
をローカルホストのポート（デフォルトでは
5000
）で実行するでしょう。
本番では、おそらく
Apache
や
Nginx
（マーケットシェアの約
3
分の
2
を占める一番人気のサー
バ）などの専用サーバで
Flask
アプリケーションを提供したいでしょう。
WSGI
（
Web Server
Gateway Interface
、
https://ja.wikipedia.org/wiki/Web_Server_Gateway_Interface
） は、
Python Web
アプリケーションを重量サーバに接続するための便利な仕様を提供しています。最も
人気の
Web
サーバ
Apache
を使って
Flask
で
WSGI
を利用してみましょう。
A.6.1
Apache
の構成
Apache
では、
mod_wsgi
モジュールのインストールが必要です（インストール方法は
http://bit.
ly/1Yyr5Ja
を参照）。
Ubuntu
ベースのサーバでは通常、次のコマンドで
Apache WSGI
モジュールをインストールし
ます。
$ sudo apt-get install libapache2-mod-wsgi
WSGI
モジュールをインストールしたら、まずはアプリケーションのルートディレクトリを
Apache
のデフォルトゲートウェイディレクトリ
/var/www
に追加するかシンボリックリンク（例
えば、
/home/kyran/workspace/nobel_viz ...
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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.
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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.