rebar3/priv/templates/listenapp.app.src

{application, {{appid}},
 [
   {description, "{{appid}}"}
  ,{vsn, "0.1.0"}
  ,{registered, [{{appid}}_sup]}
  ,{applications,
    [kernel
     ,stdlib
    ]}
  ,{mod, { {{appid}}, []} }
  ,{env,
    [
    ]}
  ,{start_phases,
    [{listen, []}
    ]}
 ]}.