Have you ever asked yourself what if we could replace any message broker with a very simple one using only two UNIX signals? Well, I’m not surprised if you didn’t. But I did. And I want to share my journey of how I achieved it. If you want to learn about UNIX signals, binary operations the easy way, how a message broker works under the hood, and a bit of Ruby, this post is for you. And if you came here just because of the clickbait title, I apologize and invite you to keep reading. It’ll be fun,...