May 2024
Intermediate
248 pages
6h 59m
Japanese
Content preview from 図解まるわかり 仮想化のしくみ
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
158
システム要件に合わせて最適なIaCツールを選んでみよう
第8 章では、IaC（Infrastructure as Code）の概要、インフラ環境の自動
化構築・管理を実現するためのいくつかのIaC ツールを紹介しました。
IaCとはインフラストラクチャーをコードとして扱い、自動化ツール・
プロセスを利用してインフラ環境をプロビジョニング・構築・管理する手
法です。IaCを活用する際には、自動化と再現性、可読性と保守性、再利
用性、問題の早期発見と修正という4 つの原則があります。IaCを利用す
ることで、大量のアプリケーションとインフラを迅速にデプロイし、IT環
境全体の一貫性を確保し、コストを削減して得た資金をビジネスに再投資
できるようになります。
しかし、システム要件に合わせて適切なIaCツールを選び、実現方式を
考える必要があります。
下記にいくつかのシステム要件例を挙げたので、第8 章の内容を思い出
しながら、どのIaC ツールが最適かを考えてみましょう。
要件
❶コンテナ仮想化技術を利用してローカル検証環境を構築する
❷
インフラ状態を定義してインフラを自動構築する
❸
サーバーの構成とその中のアプリケーションのデプロイメントを
自動化する
❹
コンテナ化されたアプリケーションのオーケストレーションを行う
実現方式
Docker……要件［ ］の実現に最適
Terraform……要件［ ］の実現に最適
Ansible……要件［ ］の実現に最適
K8s（Kubernetes）……要件［ ］の実現に最適 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.