kukicola.io - Software engineer writing about backend, infrastructure, AI, and open source.

Recent months have been crazy.

AI agents are your website’s new visitors.

In just a few months, AI coding assistants went from autocompleting lines to shipping entire features in minutes.

I woke up today and my workflow is already obsolete.

Sometimes I feel that AWS is the master of unexpected costs.

Hanami 2.0 Hanami 2.0 was released in November 2022.

Introduction Signed URLs can be a very useful solution in many cases when you need to provide limited access to some resources or actions.

Introduction Nowadays web application security is a crucial and unfortunately sometimes a bit neglected matter.

Introduction It’s a common practice to measure the quality of tests to make sure they cover all the code.

Introduction Dependency Injection isn’t something that you’ll see in every Rails application.