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

What this book covers

Chapter 1, Understanding Kubernetes and Helm, is where you learn about the challenges involved in deploying Kubernetes applications and how Helm can be used to simplify the deployment process.

Chapter 2, Preparing a Kubernetes and Helm Environment, is where you learn how to configure a local development environment. In this chapter, you will download Minikube and Helm. You will also learn basic Helm configurations.

Chapter 3, Installing Your First App with Helm, teaches you the ins and outs of the main Helm commands by having you deploy your first Helm chart.

Chapter 4, Scaffolding a New Helm Chart, is about how Helm charts are structured and helps you scaffold your own Helm chart.

Chapter 5, Helm Dependency Management, is where you learn how to manage and use dependencies to build and manage complex application deployments.

Chapter 6, Understanding Helm Templates, explores Helm templates and how to dynamically generate Kubernetes resources.

Chapter 7, Helm Lifecycle Hooks, is about lifecycle hooks and how to deploy arbitrary resources at different Helm lifecycle phases.

Chapter 8, Publishing to a Helm Chart Repository, teaches you about Helm chart repositories and how they can be used to publish Helm charts.

Chapter 9, Testing Helm Charts, is about different strategies for testing Helm charts during Helm chart development.

Chapter 10, Automating Helm with CD and GitOps, looks at how to automate Helm deployments using continuous delivery and GitOps methodologies.

Chapter 11, Using Helm with the Operator Framework, covers how to create a Helm operator using the operator-sdk toolkit.

Chapter 12, Helm Security Considerations, is about different security topics as they relate to Helm releases, charts, and repositories.