app-simple.js

var express = require('express');

var ArticleProvider = require('./articleprovider-memory').ArticleProvider;

var app = express.createServer();

app.configure(function(){
  app.use(express.methodOverride());
  app.use(express.bodyDecoder());
  app.use(express.logger());
});

var articleProvider= new ArticleProvider();

app.get('/', function(req, res){
  articleProvider.findAll(function(error, docs){
    res.send(require('sys').inspect(docs));
  })
});

app.listen(3000);