gistfile1.txt

#connectDb.coffee
module.exports = (mongoString) ->
  mongoose = require 'mongoose'
  db = mongoose.createConnection mongoString
  return db


#dbConfig.coffee
module.exports = (mongoInstance) ->
  models = {}
  mongoInstance.model "youModel", youSchema
  models.youModel = mongoInstance "youModel"
  #CONFIG DB HERE
  return models



#app.coffee
db = require('connectDb)("mongoString")  #require returns a function. the second parenthesis executes function
dbWithModels = require('dbConfig')(db)
dbWithModels.youModels.find etc....