Deploying, Updating, and Securing an Application with Kubernetes

In the last chapter, we learned about the basics of the container orchestrator, Kubernetes. We got a high-level overview of the architecture of Kubernetes and learned much about the important objects used by Kubernetes to define and manage a containerized application. 

In this chapter, we will learn how to deploy, update, and scale applications into a Kubernetes cluster. We will also explain how zero downtime deployments are achieved to enable disruption-free updates and rollbacks of mission critical applications. Finally, in this chapter, we are introducing Kubernetes secrets as a means to configure services with and protect sensitive data.

The chapter covers the following topics:

• Deploying a first application
• Zero-downtime deployments
• Kubernetes secrets

After working through this chapter, you will be able...