e.js

var fs = require('fs'),
    ws = require('ws'),
    sys = require('sys'),
    url = require('url'),
    http = require('http'),
    path = require('path');


    var httpServer = http.createServer( function(request, response) {
       var pathname = url.parse(request.url).pathname;
        if (pathname == "/") pathname = "index.html";
        var filename = path.join(process.cwd(), 'public', pathname);

        path.exists(filename, function(exists) {
            if (!exists) {
                 response.writeHead(404, {"Content-Type": "text/plain"});
                 response.write("404 Not Found");
                 response.end();
                 return;
            }

            response.writeHead(200, {'Content-Type': mime.lookup(filename)});
            fs.createReadStream(filename, {
               'flags': 'r',
               'encoding': 'binary',
               'mode': 0666,
               'bufferSize': 4 * 1024
            }).addListener("data", function(chunk) {
                 response.write(chunk, 'binary');
             }).addListener("close",function() {
                 response.end();
             });
       });
   });


var server = ws.createServer({server: httpServer});
server.listen(8000);