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javascriptnode.js

Why is process.env.NODE_ENV undefined?

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?

Solution

  • 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 macOS / OS X or Linux:

    export NODE_ENV=development