have a look at sails to borrow some ideas

[opensas]

sails

db support: https://github.com/balderdashy/sails/wiki/Database-Support

app configuration: https://github.com/balderdashy/sails/wiki/Guide:-Configuration#wiki-application.js

passport example: https://gist.github.com/theangryangel/5060446

models: https://github.com/balderdashy/sails/wiki/Models