error: Cannot read property of undefined

Question

I\'m trying to configure my app using Express like the following way, but I\'m getting errors on doing that:

server.js

var express = require(\'express\')         


        

Answer 1

Assuming you aren't setting process.env.NODE_ENV and it's using the default value, then your problem here is a simple spelling mistake

process.env.NODE_ENV || 'devleopment';

should be

process.env.NODE_ENV || 'development';

Your config file doesn't export an object devleopment hence why it returns undefined.