func addConfigToEnv(keyPrefix string, conf map[string]interface{}, ev *env.Env) {
for k, v := range conf {
key := keyPrefix + k
switch t := v.(type) {
case string:
ev.Set(key, t)
case int64:
ev.Set(key, strconv.FormatInt(t, 10))
case float64:
ev.Set(key, strconv.FormatFloat(t, 'f', -1, 64))
case map[string]interface{}:
addConfigToEnv(key+"_", t, ev)
}
}
}
