gistfile1.txt

#!/usr/bin/env node

var http = require('http'),
    httpProxy = require('http-proxy');

// your grunt bin path (note, that for windows You need to call the target grunt file here, not its alias)
var gruntBin = 'c:/Users/Krzysiek/AppData/Roaming/npm/node_modules/grunt-cli/bin/grunt';

var cp = require('child_process');
var grunt = cp.spawn('node', [gruntBin, 'server'], {cwd: '.', env: process.env});

grunt.stdout.setEncoding('utf8');
grunt.stdout.on('data', function(data) {
    console.log("%s", data)
});
grunt.stderr.setEncoding('utf8');
grunt.stderr.on('data', function(data) {
    console.log("%s", data)
});

// a little timeout here, they don't want to run one after another
setTimeout(function()
{
    require("supervisor").run('-w api -e js -x node app.js'.split(' '));
},2000);

// very simple proxy which does whole this magic here
httpProxy.createServer(function (req, res, proxy) {

    if ( req.url.match('/components/') !== null || req.url.match('/styles/') !== null || req.url.match('/images/') !== null || req.url.match('/scripts/') !== null || req.url.match('/logic/') !== null || req.url == '/' )
    {
        console.log('Bouncing', req.url, 'into yeoman instance');
        proxy.proxyRequest(req, res, {
            host: 'localhost',
            port: 9000
        });
    }
    else
    {
        console.log('Bouncing', req.url, 'into sails instance');
        proxy.proxyRequest(req, res, {
            host: 'localhost',
            port: 1337
        });
    }

}).listen(80);