Node.js is often used because it is cool, new and easier for front-end developers to develop a functioning backend. For more traditional uses that want somethi

Node.js is often used because it is cool, new and easier for front-end developers to develop a functioning backend. For more traditional uses that want something less hackish, erlang for example, crashes only a single thread not the entire vm. Functional programming languages in general like haskell and erlang are interesting for backend core services.