npm install express

gistfile1.js

npm install --save express body-parser compression cookie-session morgan cookie-parser express-session static-favicon response-time errorhandler method-override connect-timeout vhost csurf

server.js

var express = require("express");

var favicon = require("static-favicon");
var errorHandler = require("error-handler");
var methodOverride = require("method-override");
var morgan = require("morgan");
var cookieParser = require("cookie-parser");
var bodyParser = require("body-parser");
var expressSession = require("express-session");
var compression = require("compression");
var cookieSession = require("cookie-session");