Quick Start Kubernetes - Second Edition

1: What is Kubernetes

Kubernetes is an orchestrator of cloud-native microservices applications.

That’s a lot of jargon, so let’s explain the following:

• Microservices
• Cloud-native
• Orchestration

Microservices

In the past, we built and deployed monolithic applications. That’s jargon for complex applications where every feature is developed, deployed, and managed as a single large object.

Figure 1.1 shows a monolithic app with six features — web front end, authentication, middleware, logging, data store, and reporting. These are built, deployed, and managed as a single large application, meaning if you need to change any part, you need to change it all.

Figure 1.1

As a quick example, if you need to update the reporting feature, you need ...