javascript tutorial - [Solved-3 Solutions] Read environment variables in Node.js - javascript - java script - javascript array
Problem:
How to read environment variables in Node.js?
Solution 1:
process.env.ENV_VARIABLE
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Where ENV_VARIABLE is the name of the variable
Solution 2:
- using Node.js , you can retrieve environment variables by key from the
process.envobject: - for example
var mode = process.env.NODE_ENV;
var apiKey = process.env.apiKey; // '42348901293989849243'
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Solution 3:
want to use a string key generated in your Node.js program, say, var v = 'HOME', we can use process.env[v] .
Otherwise, process.env.VARNAME has to be hardcoded