rebar3/priv/templates/otp_app.app.src

{application, '{{name}}',
 [{description, "{{desc}}"},
  {vsn, "0.1.0"},
  {registered, []},
  {mod, {'{{name}}_app', []}},
  {applications,
   [kernel,
    stdlib
   ]},
  {env,[]},
  {modules, []}
 ]}.