@wcalderipe you need to use the latest alpha version of Aleph for this https://github.com/ztellman/aleph/releases/tag/0.4.7-alpha5 as this has the wrap-ring-async-handler function which is not released yet. you can then wrap your handler as (wrap-ring-async-handler app) and pass it to start-server

https://github.com/metosin/reitit/blob/master/examples/http-swagger/src/example/server.clj#L149