How Sidekiq works

Have you ever wondered how Sidekiq works and what happen from the moment you queue the worker and the moment it is executed? I did. I checked step by step the whole process. Meanwhile I explored many useful Redis features and saw how, one of my favourite tools that I work with for many years, is designed under the hood.Let's just begin with something that every Rails developer that is using Sidekiq is familiarized with - a simple worker:.