Primary Keys as UUIDs: A Guide

When first getting started with programming in Rails, a new dev will learn about how classes are created implicitly with sequential ids. Sequential ids are nice because they’re easy on the eyes and it’s even easier to track stuff down within your json.

Sequential ids do have their drawbacks. Take this endpoint for example:


Following RESTful practices, this URL should bring us to a show page for the user with the id of 3. The largest issue here is how exposed our URI is. If our URLs have…