Book Image

The Kubernetes Workshop

By : Zachary Arnold, Sahil Dua, Wei Huang, Faisal Masood, Mélony Qin, Mohammed Abu Taleb
Book Image

The Kubernetes Workshop

By: Zachary Arnold, Sahil Dua, Wei Huang, Faisal Masood, Mélony Qin, Mohammed Abu Taleb

Overview of this book

Thanks to its extensive support for managing hundreds of containers that run cloud-native applications, Kubernetes is the most popular open source container orchestration platform that makes cluster management easy. This workshop adopts a practical approach to get you acquainted with the Kubernetes environment and its applications. Starting with an introduction to the fundamentals of Kubernetes, you’ll install and set up your Kubernetes environment. You’ll understand how to write YAML files and deploy your first simple web application container using Pod. You’ll then assign human-friendly names to Pods, explore various Kubernetes entities and functions, and discover when to use them. As you work through the chapters, this Kubernetes book will show you how you can make full-scale use of Kubernetes by applying a variety of techniques for designing components and deploying clusters. You’ll also get to grips with security policies for limiting access to certain functions inside the cluster. Toward the end of the book, you’ll get a rundown of Kubernetes advanced features for building your own controller and upgrading to a Kubernetes cluster without downtime. By the end of this workshop, you’ll be able to manage containers and run cloud-based applications efficiently using Kubernetes.
Table of Contents (20 chapters)
Preface

The Need to Upgrade Your Kubernetes Cluster

Building up your business application and putting it out in the world is only half the game. Making your application usable by customers in a secure, scalable, and consistent way is the other half and the one that you have to keep working on. To be able to execute this other half well, you need a rock-solid platform.

In today's highly competitive environment, delivery of the latest features to customers in a timely manner is important to give your business an edge. This platform has to not only be dependable but also provide new and updated features to keep up with the demands of running modern applications. Kubernetes is a fast-moving platform and is well suited for such a dynamic environment. The pace of development and advancement of Kubernetes is evidenced by the number of commits in the official Kubernetes GitHub repository. Let's take a look at the following screenshot:

Figure 18.1: Daily commits to...