I've used it for client work that was in production and for a side-project that's in production, but private with few users. It has been reliable for me. Note

I've used it for client work that was in production and for a side-project that's in production, but private with few users. It has been reliable for me. Note that Compojure is more of a routing library than a framework. It's similar to Flask or Sinatra. Clojure's philosophy includes aggressive separation of concerns such that full-stack frameworks aren't really "the Clojure way".