Book Image

The Kubernetes Workshop

By : Zachary Arnold, Sahil Dua, Wei Huang, Faisal Masood, Mélony Qin, Mohammed Abu Taleb
5 (1)
Book Image

The Kubernetes Workshop

5 (1)
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

Summary

In our journey of building a production-ready Kubernetes environment, security is a critical aspect. With that in mind, in this chapter, we examined how threat modeling allows us to think in an adversarial way about our application infrastructure and how it informs us of how we can defend it from attack. Then, we looked at the 4Cs of Cloud Native Security to understand where our attack surfaces are, followed by how Kubernetes can help us run workloads securely in the cluster.

Kubernetes has several security features that we can leverage to secure our cluster. We learned about three security measures that are important to leverage: RBAC, NetworkPolicies, and PodSecurityPolicies. We also learned about their various applications when it comes to securing access to your cluster, securing your container network, and securing your container runtimes.

In the next chapter, we're going to examine how to manage storage objects in Kubernetes and deal with apps that are stateful...