gistfile1.txt

~/ElixirProjects/elixir-usersystem/app ￥sudo MIX_ENV=prod iex -S mix phoenix.server
Erlang/OTP 17 [erts-6.3] [source] [64-bit] [smp:8:8] [async-threads:10] [hipe] [kernel-poll:false]

Compiled lib/user_system.ex
Compiled web/controllers/page_controller.ex
Compiled lib/user_system/endpoint.ex
Compiled web/view.ex
Compiled web/router.ex
Compiled web/views/error_view.ex
Compiled web/views/layout_view.ex
Compiled web/views/page_view.ex
Generated user_system.app

=INFO REPORT==== 6-Mar-2015::21:34:58 ===
    application: logger
    exited: stopped
    type: temporary

=INFO REPORT==== 6-Mar-2015::21:34:58 ===
    application: cowboy
    exited: stopped
    type: temporary

=INFO REPORT==== 6-Mar-2015::21:34:58 ===
    application: cowlib
    exited: stopped
    type: temporary

=INFO REPORT==== 6-Mar-2015::21:34:58 ===
    application: ranch
    exited: stopped
    type: temporary
** (Mix) Could not start application user_system: UserSystem.start(:normal, []) returned an error: shutdown: failed to start child: UserSystem.Endpoint
    ** (EXIT) shutdown: failed to start child: Phoenix.Endpoint.Server
        ** (EXIT) an exception was raised:
            ** (RuntimeError) :port in config is nil, please use a valid port number
                (phoenix) lib/phoenix/endpoint/server.ex:44: Phoenix.Endpoint.Server.to_port/1
                (phoenix) lib/phoenix/endpoint/server.ex:41: Phoenix.Endpoint.Server.default/3
                (phoenix) lib/phoenix/endpoint/server.ex:23: Phoenix.Endpoint.Server.init/1
                (stdlib) supervisor.erl:243: :supervisor.init/1
                (stdlib) gen_server.erl:306: :gen_server.init_it/6
                (stdlib) proc_lib.erl:237: :proc_lib.init_p_do_apply/3