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 difference between a monolithic and a microservices application?
  2. What is Kubernetes? What problems was it designed to solve?
  3. What are some of the kubectl commands commonly used when deploying applications to Kubernetes?
  4. What challenges are often involved in deploying applications to Kubernetes?
  5. How does Helm function as a package manager for Kubernetes? How does it address the challenges posed by Kubernetes?
  6. Imagine you want to roll back an application deployed on Kubernetes. What Helm command allows you to perform this action? How does Helm keep track of your changes to make this rollback possible?
  7. What are the four primary Helm commands that allow Helm to function as a package manager?