Book Image

Repeatability, Reliability, and Scalability through GitOps

By : Bryan Feuling
Book Image

Repeatability, Reliability, and Scalability through GitOps

By: Bryan Feuling

Overview of this book

The world of software delivery and deployment has come a long way in the last few decades. From waterfall methods to Agile practices, every company that develops its own software has to overcome various challenges in delivery and deployment to meet customer and market demands. This book will guide you through common industry practices for software delivery and deployment. Throughout the book, you'll follow the journey of a DevOps team that matures their software release process from quarterly deployments to continuous delivery using GitOps. With the help of hands-on tutorials, projects, and self-assessment questions, you'll build your knowledge of GitOps basics, different types of GitOps practices, and how to decide which GitOps practice is the best for your company. As you progress, you'll cover everything from building declarative language files to the pitfalls in performing continuous deployment with GitOps. By the end of this book, you'll be well-versed with the fundamentals of delivery and deployment, the different schools of GitOps, and how to best leverage GitOps in your teams.
Table of Contents (17 chapters)
1
Section 1: Fundamentals of GitOps
5
Section 2: GitOps Types, Benefits, and Drawbacks
10
Section 3: Hands-On Practical GitOps

Chapter 4: The Original GitOps – Continuous Deployment in Kubernetes

Understanding how the industry has arrived at the current state of continuous delivery and continuous deployment is essential in understanding the fundamentals of GitOps, what GitOps aims to solve, and why GitOps is important.

Even though GitOps is in its infancy, the practice has already evolved into a few different schools of thought. The first of these schools can be summed up as originalist, since it covers the practice expounded by the group that first coined the term GitOps.

In this chapter, we're going to cover the following main topics:  

  • Original GitOps basics
  • Kubernetes and operators
  • Manifest explosion
  • Benefits and drawbacks of originalist GitOps
  • Common originalist GitOps tools