code: function startBroker() {
  	let worker = cluster.worker;
  
  	if (worker) {
  		Object.assign(config, {
  			nodeID: (config.nodeID || utils.getNodeID()) + "-" + worker.id
  		});
  	}
  
  	// Create service broker
  	broker = new Moleculer.ServiceBroker(Object.assign({}, config));
  
  	loadServices();
  
  	return broker.start()
  		.then(() => {
  			if (flags.repl && (!worker || worker.id === 1))
  				broker.repl();
  		});
  }
docs: Start Moleculer broker