pkg/flags/flag.go
func FlagToEnv(prefix, name string) string {
	return prefix + "_" + strings.ToUpper(strings.Replace(name, "-", "_", -1))
}
func FlagToEnv(prefix, name string) string {
	return prefix + "_" + strings.ToUpper(strings.Replace(name, "-", "_", -1))
}
func FlagToEnv ( prefix , name string ) string { return prefix + " " + strings . ToUpper ( strings . Replace ( name , " " , " " , - 1 ) ) }
// FlagToEnv converts flag string to upper-case environment variable key string.
FlagToEnv converts flag string to upper - case environment variable key string .