A guide to extracting your first Ruby Gem

Is your GitHub contribution chart solid gray? You could use an open source project to work on. But you don’t have to start it from scratch. The easiest way to create a useful side project is to pull it out of the app you’re already building. That’s how Rails was born!

But how do you know what to extract? And how do you turn it into a gem, without destroying your workflow?

Find the code you want to extract.

Somewhere, deep inside your app, is some code that doesn’t belong there. Code that does...