code: func (m *Manager) Reconfigure(config *config.Config) error {
  	services, err := parseServicesConfig(config.Services)
  	if err != nil {
  		return err
  	}
  	m.mtx.Lock()
  	defer m.mtx.Unlock()
  	config.Labels = m.Config.Labels // don't overwrite labels
  	m.Config = config
  	for name, client := range services {
  		m.services[name] = client
  	}
  	return nil
  }
docs: // Reconfigure updates the configuration on the manager.