Sharing objects and avoiding globals in node.js

Question

What would be the most appropriate way of sharing the database connection in the below snippet ( the db variable) with my routers/controllers without turning the

Answer 1

I ended up using Vadim Baryshev's answer and took it a bit further by creating a State module holding commonly used modules together, to keep things tidy:

state.js:

module.exports = {
    mongo: require('mongoskin'),
    db: require('mongoskin').db('myProject-' +process.env.NODE_ENV )
} 

app.js:

var state = require('./state');
require('./controllers/Users')(app, state);

controllers/users.js:

module.exports = function (app, state) {

    app.post('/users', function(req, res, next) {
        state.db.find({}, function(doc, err) {});
    });

};