Add environment override back

bridge/config/config.go

@@ -225,7 +225,9 @@ func OverrideCfgFromEnv(cfg *Config, protocol string, account string) {
 				if res != "" {
 					fieldVal := protoStruct.Field(i)
 					if fieldVal.Kind() == reflect.String {
-						log.Printf("config: overriding %s from env with %s\n", key, res)
+						log.WithFields(log.Fields{
+							"prefix": "config",
+						}).Infof("overriding %s from env with %s\n", key, res)
 						fieldVal.Set(reflect.ValueOf(res))
 					}
 				}

gateway/gateway.go

@@ -81,6 +81,8 @@ func (gw *Gateway) AddBridge(cfg *config.Bridge) error {
 	br := gw.Router.getBridge(cfg.Account)
 	if br == nil {
 		br = bridge.New(cfg)
+		// override config from environment
+		config.OverrideCfgFromEnv(gw.Config, br.Protocol, br.Name)
 		// set logging
 		br.Log = log.WithFields(log.Fields{"prefix": "bridge"})
 		// get the protocol configuration (eg irc)