To start backend run clj -A:backend
To start frontend run clj -A:frontend
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
To pack the backend into a jar run clj -A:uberjar
To compile frontend with advanced optimizations run clj -A:prod