August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
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81
5.2 Compose を使った自動化
...
$ docker run -e "ENV=DEV" -p 5000:5000 identidock
Running Development Server
* Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)
* Restarting with stat
うまくいっています。これで、
-e "ENV=DEV"
を渡して実行した場合には開発用サーバーが使わ
れ、そうではない場合は実稼働用のサーバーが動作します。
特に複数のコンテナをリンクする場合、デフォルトの Python のサーバーが要求にマッチしないこ
とに気づくかも知れません。その場合は、開発時にも uWSGI を動作させることができます。環境
を切り替えて、ライブコードリローディングのような、実働環境では使われない uWSGI の機能を
有効にできるようにしたいこともあるでしょう。
5.2
Compose
を使った自動化
作業をシンプルにするために、もう少し自動化を進める方法があります。
Docker Compose
（
https:
//docs.docker.com/compose/
）は、
Docker
の開発環境を素早く立ち上げられるようにするた
めに設計されています。基本的には、
Docker Compose
はコンテナ群の設定を
YAML
ファイルを
使って保存し、開発者が間違いやすい入力を繰り返し行うことや、独自のソリューションを使わず ...
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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.