-config string
    	specify alternate config.yml file as command line arg
  -healthcheck
    	invoke healthcheck (check process return value)
  -help
    	show usage
  -loglevel value
    	set log level to one of: panic, error, warn, info, debug (default Level(-2))
  -logtest
    	print a series of log messages and exit (used for testing)
  -port int
    	port (default -1)
  -version
    	display version and exit