Book Image

Learn Helm

By : Andrew Block, Austin Dewey
Book Image

Learn Helm

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)
Section 1: Introduction and Setup
Section 2: Helm Chart Development
Section 3: Adanced Deployment Patterns
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  1. What is the purpose of the helm template command? How does it differ from the helm lint command?
  2. What can you do to validate your chart templates before installing them in Kubernetes?
  3. What tool can be leveraged to lint the style of your YAML resources?
  4. How is a chart test created? How is a chart test executed?
  5. What additional value does the ct tool bring to Helm's built-in testing capabilities?
  6. What is the purpose of the ci/ folder when used with the ct tool?
  7. How does the --upgrade flag change the behavior of the ct lint-and-install command?