logLevel | emerg/alert/crit/error/warning/notice/info/debug | info | string | winston logging level
logFile | | combined.log | string | log file relative path
logErrorFile | | error.log | string | error log file relative path
logLevel | emerg/alert/crit/error/warning/notice/info/debug | info | string | winston logging level
logFile | | combined.log | string | log file relative path
logErrorFile | | error.log | string | error log file relative path