Chapter 2. An Overview of Kubernetes
Building, deploying, and managing applications on top of the Kubernetes API is a complex topic in its own right. It is beyond the scope of this book to give a complete understanding of the Kubernetes API in all of its detail. For those purposes, there are a number of books, such as Kubernetes: Up and Running (O’Reilly), and online resources that will give you the knowledge necessary to build an application on Kubernetes. If you are completely new to Kubernetes and interested in building applications on top of the system, we definitely recommend taking advantage of these resources to augment the information in this chapter.
On the other hand, if you are responsible for managing a Kubernetes cluster or you have a high-level understanding of the Kubernetes API, this chapter provides an introduction to the basic concepts of Kubernetes and their role in the development of an application. If after reading this chapter you still feel uncomfortable having a conversation with your users about their use of Kubernetes, we highly recommend that you avail yourself of these additional resources.
In this chapter, we first introduce the notion of containers and how they can be used to package and deploy your application. Then we introduce the core concepts behind the Kubernetes API, and finally, we conclude with some higher-level concepts that Kubernetes has added to make specific tasks easier.
Containers
Containers were popularized by Docker and enabled ...
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