A ‘Hello World’ GitOps Example Walkthrough
If you’re not aware, GitOps is a term coined in 2017 to encapsulate certain engineering principles that were becoming more common with the advent of recent tooling in the area of software deployment and maintenace.
If you want to know more about the background and significance of GitOps, I wrote an ebook on the subject, available for download here from my company. One of the more fun bits of writing that book was creating this diagram, which seeks to show the historical antecedents to the latest GItOps tooling, divided on the three principles of declarative code, source control, and distributed control loop systems.
This post is more a detailed breakdown of one implementation of a trivial application. It uses the following technologies and tools:
It should be viewed in conjunction with this diagram to get an overview of what’s going on in the example. I’ll be referring to the steps from 0 to 5 in some detail below:
