app.js

/**
 * Module dependencies.
 */


var express = require('express')
  , routes = require('./routes')
  , user = require('./routes/user')
  , http = require('http')
  , path = require('path');

var app = express();

var mongoose = require('mongoose');

mongoose.connect('mongodb://localhost/photo_app');
var schema = new mongoose.Schema({
    name: String,
    path: String
});

var Photo = mongoose.model('Photo', schema);  

// all environments
app.set('port', process.env.PORT || 3000);
app.set('views', __dirname + '/views');
app.set('view engine', 'jade');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.bodyParser({uploadDir:'./uploads'}));
app.use(express.methodOverride());
app.use(app.router);
app.use(express.static(path.join(__dirname, 'public')));

// development only
if ('development' == app.get('env')) {
  app.use(express.errorHandler());
}

var path = require('path');
var fs = require('fs');
var join = path.join;

var submit = function (dir) {
    return function(req, res, next){
        var img = req.filez.photo.image;
        var name = req.body.photo.name || img.name;
        var path = join(dir, img.name);
        console.log(req.files.photo, req.body.photo);
        fs.rename(img.path, path, function(err){
            if (err)
                return next(err);
            Photo.create({
                name: name,
                path: img.name
            }, function (err) {
                if (err)
                    return next(err);
                res.redirect('/');
            });
        });
    };
};

app.get('/', routes.index);
app.get('/users', user.list);

app.post('/foobar', submit('./'));

http.createServer(app).listen(app.get('port'), function(){
  console.log('Express server listening on port ' + app.get('port'));
});

index.jade

extends layout

block content
  h1= title
  p Welcome to #{title}
  | <form method='post' enctype='multipart/form-data' action="/foobar">
  |   <input type='text' name='photo[name]'/>
  |   <input type='file' name='photo[image]'/>
  |   <input type='submit' value='Upload'/>
  | </form>