How to implement fast and cost-effective backend for a multiplayer game using Scala, Akka and GraalVM

Actor systems are perfect match for multiplayer game backends - Akka actors translate very well into in-game entities, and AWS Lambda is a convenient way to deploy them without much of DevOps hassle. In this talk I will present how to implement fast and cost-effective backend for a multiplayer game using Scala, Akka and GraalVM.
Understanding the exact properties that disqualify a data type from being an instance of a given abstraction turns out to be surprisingly helpful
I will show you how you can build your own IDE for scala based on my nvim setup
A sneak-peek of the "FEDA: Powered by Scala 3" book.