Cloud & Networking
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You're reading from  The KCNA Book

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781835080399
Edition1st Edition
Tools
Kubernetes
Concepts
Containerization
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Author (1)
Nigel Poulton
Nigel Poulton
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Nigel Poulton

Nigel Poulton is a cloud-native subject matter expert who spends his life creating books and training videos on the latest cloud technologies. He is the author of best-selling books on Docker and Kubernetes and the most popular online training videos on the same topic. He is a Docker Captain. Prior to this, Nigel has held various infrastructure roles for large enterprises. When he is not playing with technology, he is dreaming about it. When he is not dreaming about it, he is reading and watching sci-fi. He wishes he lived in the future so he could explore spacetime, the universe, and tons of other mind-blowing stuff. He likes cars, football (soccer), and food. He has a fabulous wife and three children.
Read more about Nigel Poulton

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GitOps

The idea of GitOps became popular in 2017 following Alexi Richardson’s blog post on the Weaveworks website titled Operations by Pull Request.

At a high-level, it takes the battle-tested DevOps practices we’ve been using for years in software development and brings them to the world of infrastructure and Kubernetes. If you’ve just read the section on CI/CD, GitOps builds on these by adding version control and pull requests.

Keeping it high-level, you describe the desired state of your infrastructure in configuration files that you store in a Git repo for version control. Every time you make a change to your environment you check the files out of Git, update them with your changes, and submit a Pull Request (PR) to merge the changes into the repo. As soon as the PR is merged, the process of deploying the changes to your live environment kicks in.

Although there are lots of GitOps tools, such as Argo, Flux and Jenkins X, GitOps is actually a collection of...

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The KCNA Book
Published in: Jun 2023Publisher: PacktISBN-13: 9781835080399
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Nigel Poulton

Nigel Poulton is a cloud-native subject matter expert who spends his life creating books and training videos on the latest cloud technologies. He is the author of best-selling books on Docker and Kubernetes and the most popular online training videos on the same topic. He is a Docker Captain. Prior to this, Nigel has held various infrastructure roles for large enterprises. When he is not playing with technology, he is dreaming about it. When he is not dreaming about it, he is reading and watching sci-fi. He wishes he lived in the future so he could explore spacetime, the universe, and tons of other mind-blowing stuff. He likes cars, football (soccer), and food. He has a fabulous wife and three children.
Read more about Nigel Poulton

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