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);
}