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Practical Site Reliability Engineering
book

Practical Site Reliability Engineering

by Pethuru Raj Chelliah, Shreyash Naithani, Shailender Singh
November 2018
Intermediate to advanced
390 pages
10h 8m
English
Packt Publishing
Content preview from Practical Site Reliability Engineering

Why use containerization? 

The old way to deploy applications was to install software applications on a bare-metal server/physical machine (node/host) using the operating system (OS) package manager. This had led to the disadvantage of entangling the application's executables, configuration, libraries, and other dependencies with one another and with the underlying host OS. With the faster maturity and stabilization of virtualization, the overwhelming practice is to build immutable virtual machine (VM) images to achieve predictable rollouts and rollbacks. But the main challenges include that VMs are heavyweight and non-portable.

The new way is to deploy containers, which implement OS-level virtualization rather than hardware virtualization. ...

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Publisher Resources

ISBN: 9781788839563