Elixir’s GenServer is a crucial component for building concurrent, fault-tolerant systems. GenServers allow you to create concurrent processes that can maintain internal state and respond to asynchronous messages. One of the most important and versatile options when working with GenServers is :timeout.

https://dev.to/herminiotorres/managing-timeouts-in-genserver-in-elixir-how-to-control-waiting-time-in-critical-operations-25jc