DNS resolution issue in Alpine Linux
Alpine Linux doesn't support DNS over TCP, which can become an issue if you're resolving hosts that are running on Kubernetes. I'll show you how to fix this with a custom DNS resolver.
Single file Rails applications - serving requests
Last time we packed a Rails application into a single file so that we can isolate bugs and easily share reproduction steps on GitHub or in a gist. This time I wanna continue
Single file Rails applications (for fun and bug reporting)
As you might know from previous posts, I keep a Rails playground project around. That’s a small application with a bunch of models,  controllers and accompanying tests. It allows me to quickly
Adding custom types to your ActiveRecord models with the Attributes API
In a previous blog post I've written about [value objects] and their benefits. Today I want to see how we can make use of those value objects within our ActiveRecord models. Since Rails
Study Notes for the Value Object pattern
In the last couple of weeks I've repeatedly stumbled over a smell in a project I'm working on: the classifier of an object was inflected by the prefix of its name. As an