April 2016
Intermediate to advanced
364 pages
7h 54m
Japanese
Content preview from 初めてのAnsible
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269
13.6 Docker 化されたアプリケーションのデプロイ
13.5.5
イメージの構築
筆者は、
Docker
イメージの構築には
Ansible
自体は使わず、単にコマンドラインで構築しまし
た。例えば、
Mezzanine
のイメージの構築は以下のように行いました。
$ cd mezzanine
$ docker build -t lorin/mezzanine .
Ansible
には、
Docker
イメージを構築するためのモジュールとして
docker_image
が含まれてい
ます。とはいえ、
Ansible
のようなツールはイメージの構築にはあまり適していないことから、こ
のモジュールは非推奨となっています。イメージの構築は、アプリケーションのライフサイクルの
ビルドのプロセスの一部です。
Docker
イメージを構築し、それらをイメージのレジストリにプッ
シュするのは、継続的インテグレーションのシステムが行うようなことであり、設定管理システム
が行うようなことではないのです。
13.6
Docker
化されたアプリケーションのデプロイ
アプリケーションのデプロイには、
docker
モジュールを使います。本書の執筆時点では、Ansible
に同梱されている
docker
モジュールには、既知の問題がいくつかあります。
・
volumes_from
パラメータは、新しいバージョンの Docker では動作しない。
・ Boot2Docker をサポートしていない。Boot2Docker は、OS X で Docker を動作
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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.