text: var express = require("express");
  var bodyParser = require("body-parser");
  var methodOverride = require("method-override");
  
  var port = process.env.PORT || 3000;
  
  var app = express();
  
  // Add static content for the app 
  app.use(express.static(process.cwd() + "/public"));
  
  app.use(bodyParser.urlencoded({ extended: false }));
  
  // Override with POST 
  app.use(methodOverride("_method"));
  
  // Add Handlebars
  var exphbs = require("express-handlebars");
  
  app.engine("handlebars", exphbs({ defaultLayout: "main" }));
  app.set("view engine", "handlebars");
  
  // Import routes 
  var routes = require("./controllers/burgers_controller.js");
  
  app.use("/", routes);
  
  app.listen(port);