Book Image

The Kubernetes Book

By : Nigel Poulton, Pushkar Joglekar
Book Image

The Kubernetes Book

By: Nigel Poulton, Pushkar Joglekar

Overview of this book

Kubernetes is the leading orchestrator of cloud-native apps. With knowledge of how to work with Kubernetes, you can easily deploy and manage applications on the cloud or in your on-premises data center. The book begins by introducing you to Kubernetes and showing you how to install it. You’ll learn how to use Kubernetes Services and bring stable and reliable networking to apps that are deployed on Kubernetes. You'll delve deep into the powerful storage subsystem of Kubernetes and learn how to leverage the variety of external storage backends in your applications. As the book progresses, it shows you how to use features such as DaemonSets, Helm, and RBAC to enhance your Kubernetes applications. You'll explore the six categories of identifying vulnerabilities and look at a few ways to prevent and mitigate them. You'll also look at ways to secure the software delivery pipeline by discussing some image-related best practices. The book ends by sharing with you some resources that’ll help take your Kubernetes knowledge to the next level. By the end of the book, you’ll have the confidence and skills to leverage all the features of Kubernetes to develop scalable applications.
Table of Contents (23 chapters)
Free Chapter
1
Chapter 1
3
Chapter 2
5
Chapter 3
7
Chapter 4
9
Chapter 5
11
Chapter 6
13
Chapter 7
15
Chapter 8
17
Chapter 9
19
Chapter 10
21
Chapter 11

Helm

Helm is the de facto Kubernetes package manager and greatly simplifies the installation and management of Kubernetes applications.

Helm was accepted into the Cloud Native Computing Foundation (CNCF) in 2018 as an official top-level project. As such, it sits alongside Kubernetes, Prometheus, gRPC, and others.

As a package manager, it's like apt for Ubuntu and brew for Mac. In the case of Helm, it hides all the complexities of things such as Deployments, Pods, and Persistent Volumes in a construct called a chart. Think of a chart as the Helm equivalent of a YUM, DEB, or homebrew package. As such, you can install, update, and delete Kubernetes applications via the application's Helm chart.

You can also share your charts with the community as well as reuse existing charts.