Chapter 4. A Kubernetes-Based Software Development Platform
In the previous chapter, we outlined our methodology around modernization and the steps required to design and develop modern architectures. We described the need for a platform like Kubernetes that can help you with requirements to make your applications cloud native, ready to scale up proportionally to your business’s need.
We have also demonstrated that a microservices-based architecture is usually implemented using container technology, which makes apps portable and consistent. Let’s now see in detail how Kubernetes can help us modernize our Java applications and what the steps are to achieve that using its declarative approach through a rich set of APIs.
Developers and Kubernetes
Kubernetes, which in Greek translates to “pilot” or “governor,” is an open source project that is currently the de facto target environment for modern architectures and the most popular container orchestration platform; a simple illustration is presented in Figure 4-1. Started from Google’s experience in managing distributed complex applications for their software stack back in 2015, today it is one of the biggest open source communities; it is managed by a foundation, the Cloud Native Computing Foundation (CNCF), and embraced by vendors and individual contributors.
Figure 4-1. A Kubernetes cluster running apps in Nodes
As a container-orchestration ...
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