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Deploy requests now alert on potential unwanted changes

Mike Coutermarsh

Jul 6, 2022

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Trick for fixing Rails `find_by` N+1's

Recently I had some code that was doing 100's of find_by queries. Due to the way it was setup, a simple fix using includes wasn't possible. I was able to know which records would be called via find_by though, meaning I should be able to preload all the

Feb 26, 2023 2 min read

New Rails health check endpoint

Rails just recently added a default /up route that will return a 200 when the application is running. I've had to implement this in pretty much every Rails app I've ever worked on. This is a nice addition! If you're not familiar. This is useful for load balancers which need

Jan 13, 2023 1 min read

Solving N+1’s with Rails `exists?` queries

I recently solved a Rails performance issue with exists? queries in our Rails API. Shared all the details on PlanetScale's blog. Check it out here: Solving N+1's with Rails exists queries.

Jan 10, 2023

Mike Coutermarsh © 2023

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