Read environment variables in Node.js

Question

Is there a way to read environment variables in Node.js code?

Like for example Python\'s os.environ[\'HOME\'].

Answer 1

When using Node.js, you can retrieve environment variables by key from the process.env object:

for example

var mode   = process.env.NODE_ENV;
var apiKey = process.env.apiKey; // '42348901293989849243'

Here is the answer that will explain setting environment variables in node.js