Developing in erlang/elixir gives you a varient of this, in that your code is broken up into many small "processes" which are messaging each other even when you

Developing in erlang/elixir gives you a varient of this, in that your code is broken up into many small "processes" which are messaging each other even when you're only deploying a single app to a single server. Then if you need to distribute and scale, introducing networks between the components is relatively small change (sun's fallacies of distributed computing meaning it's never a 0 cost change however)