Book Image

The KCNA Book

By : Nigel Poulton
Book Image

The KCNA Book

By: Nigel Poulton

Overview of this book

There is a huge benefit in building small, specialized, single-purpose apps that can self-heal, auto scale, and update regularly without needing downtime. Kubernetes and cloud-native technologies come in handy in building such apps. Possessing the knowledge and skills to leverage Kubernetes can positively enhance possibilities in favor of architects who specialize in cloud-native microservices applications. ‘The KCNA Book’ is designed to help those working in technology with a passion to become certified in the Kubernetes and Cloud-Native Associate Exam. You will learn about containerization, microservices, and cloud-native architecture. You will learn about Kubernetes fundamentals and container orchestration. The book also sheds light on cloud-native application delivery and observability. It focuses on the KCNA exam domains and competencies, which can be applied to the sample test included in the book. Put your knowledge to the test and enhance your skills with the all-encompassing topic coverage. Upon completion, you will begin your journey to get the best roles, projects, and organizations with this exam-oriented book.
Table of Contents (12 chapters)
9
8: Sample test
Appendix B: Sample Test answers

Chapter summary

In this chapter, you learned that CI/CD automates the building, testing, and deployment of software and infrastructure. CI deals with automating the early steps of building and testing code, and then publishing it to repositories. CD takes the built and tested artefact and automates the process of deploying it to live environments. GitOps builds on this by adding version control, pull requests, and approvals that trigger the CD process. GitOps is particularly powerful in Kubernetes environments where everything is declaratively described in YAML configuration files that are used to configure the environment. Popular GitOps tools include Argo, Flux, and Jenkins X.