rebar.config

{erl_opts, [debug_info]}.
{deps, [
    {cowboy, "2.9.0"},
    {gun, "2.0.0-rc.2"},
    {jiffy, "1.1.1"}
]}.

{relx, [
    {release, {tweeter, "0.1.0"}, [
        {server, load},
        {client_simulator, load},
        {main, load},
        sasl,
        cowboy,
        gun,
        jiffy
    ]},

    {mode, dev},

    %% automatically picked up if the files
    %% exist but can be set manually, which
    %% is required if the names aren't exactly
    %% sys.config and vm.args
    {sys_config, "./config/sys.config"},
    {vm_args, "./config/vm.args"}

    %% the .src form of the configuration files do
    %% not require setting RELX_REPLACE_OS_VARS
    %% {sys_config_src, "./config/sys.config.src"},
    %% {vm_args_src, "./config/vm.args.src"}
]}.

{profiles, [
    {prod, [
        {relx,
            %% prod is the default mode when prod
            [
                %% profile is used, so does not have
                %% to be explicitly included like this
                {mode, prod}

                %% use minimal mode to exclude ERTS
                %% {mode, minimal}
            ]}
    ]}
]}.