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Learn Helm

Learn Helm

By : Andrew Block, Austin Dewey
3 (4)
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Learn Helm

Learn Helm

3 (4)
By: Andrew Block, Austin Dewey

Overview of this book

Containerization is currently known to be one of the best ways to implement DevOps. While Docker introduced containers and changed the DevOps era, Google developed an extensive container orchestration system, Kubernetes, which is now considered the frontrunner in container orchestration. With the help of this book, you’ll explore the efficiency of managing applications running on Kubernetes using Helm. Starting with a short introduction to Helm and how it can benefit the entire container environment, you’ll then delve into the architectural aspects, in addition to learning about Helm charts and its use cases. You’ll understand how to write Helm charts in order to automate application deployment on Kubernetes. Focused on providing enterprise-ready patterns relating to Helm and automation, the book covers best practices for application development, delivery, and lifecycle management with Helm. By the end of this Kubernetes book, you will have learned how to leverage Helm to develop an enterprise pattern for application delivery.
Table of Contents (15 chapters)
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1
Section 1: Introduction and Setup
5
Section 2: Helm Chart Development
9
Section 3: Adanced Deployment Patterns
14
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Chapter 7: Automating Helm Processes Using CI/CD and GitOps

In this book, we have so far discussed two high-level processes. First, we explored using Helm as an end user, leveraging Helm as a package manager to deploy applications of varying complexities to Kubernetes. Second, we explored developing and testing Helm charts as a chart developer, which involved encapsulating Kubernetes complexities in Helm charts and performing tests on charts to ensure that the required features were delivered to end users successfully.

Both of these processes involve invoking various different Helm CLI commands. These Helm CLI commands, while effective in carrying out their respective tasks, require manual invocation from the command line. Manual invocation can serve as a pain point when managing multiple different charts or applications and can make it difficult for larger enterprises to scale. As a result, we should explore alternative options that provide additional automation on top of what...

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