But your code is separated from the database. Meteor.js just installs MongoDB as part of it's setup.
From what I can see, it's installed on port
I don't know what
mongo_url is, but I guess it's the configuration parameter in Meteor.js, so in that case, it would be
mongodb://localhost:27017/myproject or however you have setup your MongoDB - so if you used authentication in the setup, your url changes to
You would probably find much better help in the forums of Meteor: https://forums.meteor.com/