process.env.NODE_ENV is undefined


Question

I'm trying to follow a tutorial on NodeJs. I don't think I missed anything but whenever I call the process.env.NODE_ENV the only value I get back is undefined. According to my research the default value should be 'development'. How is this value dynamically set and where is it set initially?

1
145
11/13/2014 6:20:24 PM

Accepted Answer

process.env is a reference to your environment, so you have to set the variable there.

To set an environment variable in Windows:

SET NODE_ENV=development

on OS X or Linux:

export NODE_ENV=development
174
6/19/2012 3:29:39 PM

For people using *nix (Linux, OS X, etc.), there's no reason to do it via a second export command, you can chain it as part of the invoking command:

NODE_ENV=development node server.js

Easier, no? :)


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