Organization of Expressjs type of node apps

ExpressjsDriver.js

var mode = process.argv[2] ? process.argv[2] : "local";
mode = mode.replace("/", "") == "tests" ? "local" : mode;

var express = require('express');
var app = express();
var config = require("./config/" + mode).config;
var glob = require("glob");
var path = require('path');

// helper middlewares
var attach = function(req, res, next) {
    // attach something needed to req
    next();
}

var init = function() {
    var root = __dirname;
    glob(root + "/actions/**/*.js", function (err, files) { 
        files.reverse();
        for(var i in files) {
            var action = require(files[i]).action;
            if(action) {
                var route = path.dirname(files[i]);
                route = route.replace(root, "").replace("/actions", "");
                if(path.basename(files[i]) != "index.js") {
                    route += "/" + path.basename(files[i]).replace(".js", "");
                }
                route = route == "" ? "*" : route;
                console.log("route (" + (action.method || "all") + ") > " + route + " (" + files[i] + ")");
                app[action.method || "all"](route, [attach, currentUser, action.handler]);
            }
        }
    });
    app.use(express.bodyParser());
    app.listen(config.port);
    console.log('listening on port ' + config.port);    
}

exports.app = app;
exports.init = init;

init();

/*
Example of action:

exports.action = {
    handler: function(req, res, next) {
        res.json(200, {});
    }
}
*/