greenlock-express.js/examples/cluster/server.js

"use strict";

var pkg = require("../../package.json");
//require("greenlock-express")
require("../../")
	.init(function getConfig() {
		// Greenlock Config

		return {
			package: { name: "websocket-example", version: pkg.version },
			maintainerEmail: "jon@example.com",

			// When you're ready to go full cloud scale, you just change this to true:
			// Note: in cluster you CANNOT use in-memory state (see below)
			cluster: true,

      // This will default to the number of workers being equal to
      // n-1 cpus, with a minimum of 2
      workers: 4
		};
	})
	.serve(httpsWorker);

function httpsWorker(glx) {
	// WRONG
	// This won't work like you
	// think because EACH worker
	// has ITS OWN `count`.
	var count = 0;

	var app = function(req, res) {
		res.end("Hello... how many times now? Oh, " + count + " times");
		count += 1;
	};

	// Serves on 80 and 443... for each worker
	// Get's SSL certificates magically!
	glx.serveApp(app);
}