At the terminal

To start backend run clj -A:backend

To start frontend run clj -A:frontend

For Cider + Emacs:

To start a backend REPL, open src/example/server.clj and type C-c C-x j j

To start a frontend REPL, open src/example/client.cljs and type C-c C-x j s

For production

To pack the backend into a jar run clj -A:uberjar

To compile frontend with advanced optimizations run clj -A:prod