app.config

[
 {gproc, [
          %% Start up gproc in global mode
          %% {gproc_dist, all}
         ]},
 {timer2, [
          %% Define the number of acceptors and processors
          {timer2_acceptors, 1},
          {timer2_processors, 1}
         ]},
 {lager, [
          %% What handlers to install with what arguments
          %% The defaults for the logfiles are to rotate the files when
          %% they reach 10Mb or at midnight, whichever comes first, and keep
          %% the last 5 rotations. See the lager README for a description of
          %% the time rotation format:
          %% https://github.com/basho/lager/blob/master/README.org
          %%
          %% If you wish to disable rotation, you can either set the size to 0
          %% and the rotation time to "", or instead specify a 2-tuple that only
          %% consists of {Logfile, Level}.
          {handlers, [
                      {lager_console_backend, [debug, true]},
                      {lager_file_backend, [
                                            {"log/error.log", error, 10485760, "$D0", 5},
                                            {"log/console.log", info, 10485760, "$D0", 5}
                                           ]}
                     ]},

          %% Whether to write a crash log, and where.
          %% Commented/omitted/undefined means no crash logger.
          {crash_log, "log/crash.log"},

          %% Maximum size in bytes of events in the crash log - defaults to 65536
          {crash_log_msg_size, 65536},

          %% Maximum size of the crash log in bytes, before its rotated, set
          %% to 0 to disable rotation - default is 0
          {crash_log_size, 10485760},

          %% What time to rotate the crash log - default is no time
          %% rotation. See the lager README for a description of this format:
          %% https://github.com/basho/lager/blob/master/README.org
          {crash_log_date, "$D0"},

          %% Number of rotated crash logs to keep, 0 means keep only the
          %% current one - default is 0
          {crash_log_count, 5},

          %% Whether to redirect error_logger messages into lager - defaults to true
          {error_logger_redirect, true}
         ]}
].