Book Image

Managing Kubernetes Resources Using Helm - Second Edition

By : Andrew Block, Austin Dewey
Book Image

Managing Kubernetes Resources Using Helm - Second Edition

By: Andrew Block, Austin Dewey

Overview of this book

Containerization is one of the best ways to implement DevOps, and learning how to execute it effectively is an essential part of a developer’s skillset. Kubernetes is the current industry standard for container orchestration. This book will help you discover the efficiency of managing applications running on Kubernetes with Helm. Starting with a brief introduction to Helm and its impact on users working with containers and Kubernetes, you’ll delve into the primitives of Helm charts and their architecture and use cases. From there, you’ll understand how to write Helm charts in order to automate application deployment on Kubernetes and work your way toward more advanced strategies. These enterprise-ready patterns are focused on concepts beyond the basics so that you can use Helm optimally, looking at topics related to automation, application development, delivery, lifecycle management, and security. By the end of this book, you’ll have learned how to leverage Helm to build, deploy, and manage applications on Kubernetes.
Table of Contents (18 chapters)
1
Part 1: Introduction and Setup
5
Part 2: Helm Chart Development
12
Part 3: Advanced Deployment Patterns

Preparing a local Kubernetes environment with minikube

Helm won’t be able to deploy applications without access to a Kubernetes cluster. For this reason, let’s discuss one option where users can run a local cluster on their machine – minikube.

minikube is a community-driven tool that allows users to easily deploy a small, single-node Kubernetes cluster to their local machine. A cluster created with minikube is run inside either a container or a virtual machine (VM) so that it can easily be created and later discarded. minikube presents us with an excellent way to experiment with Kubernetes, and it can also be used to learn Helm alongside the examples provided throughout this book.

In the next few sections, we’ll cover how minikube can be installed and configured so that you have a Kubernetes cluster available while learning how to use Helm. For more comprehensive instructions, please refer to the Getting Started! page of the official minikube website...