erlang单独配置文件

[
    {doudizhu,[
            {listen_port, 7000},
            {node_caller_prefix,"ruby"},

            {pgsql_ip,"127.0.0.1"},
            {pgsql_username,"mmc"},
            {pgsql_password,"mmc"},
            {pgsql_db,"doudizhu_db"},

            {redis_ip,"127.0.0.1"},
            {redis_port,6379}
        ]
    }
].

erl -config doudizhu.config

[
 %% SASL config
 {sasl, [
         {sasl_error_logger, {file, "log/sasl-error.log"}},
         {errlog_type, error},
         {error_logger_mf_dir, "log/sasl"},      % Log directory
         {error_logger_mf_maxbytes, 10485760},   % 10 MB max file size
         {error_logger_mf_maxfiles, 5}           % 5 files max
        ]},
        "/Users/mmc/Projects/erlang/doudizhu/deploy/conf/doudizhu.config"
].