app.js

#!/usr/bin/env node

var express = require('express'),
    db = require('mongojs').connect('mongodb://', ['db']),
    routes = require('./routes')(db),
    app = module.exports = express.createServer();

app.configure(function() {
  app.set('views', __dirname + '/views');
  app.set('view engine', 'jade');
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(app.router);
  app.use(express.static(__dirname + '/public'));
});

app.configure('development', function() {
  app.use(express.errorHandler({ dumpExceptions: true, showStack: true })); 
});

app.configure('production', function() {
  app.use(express.errorHandler()); 
});

app.get('/', routes.index);
app.get('/:page([0-9]{1,3})?', routes.index)
app.get('/:slug([a-z0-9-]{3,255})', routes.item);

app.listen(8080);

app.on('listening', function() {
  console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
});

index.js

module.exports = function(db) {
  var obj = {};

  obj.index = function(req, res) {
    if (req.params.page) {
      res.send('Viewing page: ' + req.params.page)
    }
    else
    {
      res.send(db)
    }
  };

  obj.item = function(req, res) {
    db.blog_posts.find({slug: req.param('slug')}, function (err, post) {
      if (err || !post.length) {
        res.send('Could not find a post with the slug: ' + req.param('slug'));
      }
      else
      {
        res.send(post.title);
      }
    });
  };

  return obj;
};