message: Use WS protocol within the cluster
diff: @@ -41,7 +41,7 @@ export default class JsonRestChargingStationClient extends ChargingStationClient
  chargingStationURL = chargingStationURL.substring(0, chargingStationURL.length - 1);
  }
  // Keep
  - this.serverURL = `wss://${chargingStation.cloudHostIP}/REST/${tenantID}/${chargingStation.tokenID}/${chargingStation.id}`;
  + this.serverURL = `ws://${chargingStation.cloudHostIP}/REST/${tenantID}/${chargingStation.tokenID}/${chargingStation.id}`;
  // Override
  if (Utils.isDevelopmentEnv()) {
  this.serverURL = `${chargingStationURL}/REST/${tenantID}/${chargingStation.tokenID}/${chargingStation.id}`;
  