Real world applications are hard to imagine without side effects such as writing to a DB or UI. IO-monads were introduced into the Haskell language to write programs in a robust way. And we have been using monads in our day to day job without even knowing those are monads such as IEnumerable/IObservable in languages like C#, Java.

This talk is to give a basic understanding about monads and why should we care about that, and a little bit about onion/clean architecture.

This talk is about giving a high level overview, benefits and technologies available in the market to achieve reactive programming. Though, we could do reactive programming without functional programming concepts, but applying immutable, Monet, etc. in the reactive approach would help us achieve many things like concurrency, readability in a declarative way.

Talk will be based on Spring Webflux using Netty server and Mongo DB.