Run Your Rails App On Kubernetes: A Step-by-Step Tutorial

In the past few years, the tools we use to operate backend systems have evolved a lot. Both Docker and Kubernetes have shot up in popularity. Ruby on Rails (or simply Rails) has been making developers’ lives easier since 2004. To put things in context, Node.js was released in 2009, and version 1.0 of the Go language was released in 2012. Similarly, Docker was made public in 2013, and the initial release of Kubernetes dates to 2014.In this post, we will deploy a simple Rails API on Kubernetes that works on your local. We will keep the scope small, as this post aims to show a minimum variable way to make a Rails app run on Kubernetes in a dev environment. Let’s get the ball rolling.