node json server boilerplate

server.js

var express = require('express');
var app = express();
var http = require("http");
var fs = require("fs");
var cons = require('consolidate')
var mu = require('mu2');
var util = require('util');

app.configure(function(){
  mu.root = __dirname
  app.use(express.logger('dev'))
  app.use(express.static(__dirname))
  app.use(express.bodyParser())
  app.use(express.methodOverride())
  app.use(express.cookieParser("secret"))
  app.use(express.session({ secret: 'keyboard cat' }))
  app.use(app.router)
});

app.init = function(callback){
  fs.readFile('./sample.json', 'utf8', function(error, data) {
    if (error) {
      throw(error);
    }
    else
      app.set("json", data);
      callback();
  })
};

app.get('/things', function(req, res){
  res.set('Content-Type', 'text/json');
  res.send(app.get("json"));
});

app.get('/things/:id', function(req, res){
  res.set('Content-Type', 'text/json');
  res.send((JSON.parse(app.get("json")))[req.param('id')]);
});

app.get('/main', function(req, res){
  var firstThing = JSON.parse(app.get("json"))["0"];
  var stream = mu.compileAndRender('main.html', firstThing);
  util.pump(stream, res);
});

app.init(function() {
  app.listen(3000);  
})