package config

import "github.com/spf13/viper"

// NewViper returns the viper that reads the settings: each setting's
// environment variable, bound to its own name. Every setting of discriminator
// and rproxy is read through it, and none is read with os.Getenv or
// os.LookupEnv outside it. An environment variable that is set but empty is
// set, as one that holds a value is, which viper does not take for granted.
func NewViper() *viper.Viper {
	v := viper.New()
	v.AutomaticEnv()
	v.AllowEmptyEnv(true)

	return v
}