app.js

/**
 * Module dependencies.
 */

var express = require('express');
var app = module.exports = express.createServer();

// Configuration

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

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

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

//mongodb
var mongoose = require('mongoose');
var db = mongoose.connect('mongodb://localhost/mydb');

var Schema = mongoose.Schema;
var Posts = new Schema({
    title    : String,
    message    : String,
    board       : String
});
mongoose.model('Post', Posts);

//Routes

app.get('/:board', function(req,res,next){
    var Post = mongoose.model('Post');
    Post.find({},function(err,posts){
        console.log(posts);
        res.render('index',{
            title: req.params.board,
            board: req.params.board,
            locals: { posts: posts }
        });
    });
//        res.render('index',{
//        title: req.params.board,
//        locals: { posts: posts } 
});

app.get('/:board/new', function(req,res){
    res.render('post',{
        title: 'Create new thread'        
    });   
});

app.post('/create', function(req, res){
//  res.render('index', {
//    title: 'nota'
//  });
    var BoardPost = mongoose.model('Post');
    var post = new BoardPost();
    post.title=req.body.post.title;
    post.message = req.body.post.message;
    post.board = req.body.post.board;
    post.save(function(err){
        if(!err){
            res.render('sent',{
                title:'Posted with success.',
                post: post
            })
        ;}
    });
});

// Only listen on $ node app.js

if (!module.parent) {
  app.listen(3000);
  console.log("Notachan rodando na porta %d, fode sim.", app.address().port)
}