mad/priv/web/src/sample.app.src

{application, sample,
    [{description, "sample WebSocket application"},
     {vsn, "5.11"},
     {registered, []},
     {applications, [public_key,asn1,kernel,stdlib,mnesia,
                     kvs,cowlib,ranch,cowboy,gproc,n2o]},
     {mod, { sample, []}},
     {env, []}]}.