Working with Environment Variables in Node.js
https://www.twilio.com/blog/2017/08/working-with-environment-variables-in-node-js.html
Aug 11, 2017 . Working with environment variables is a great way to configure different aspects of your Node.js application. Many cloud hosts (Heroku, Azure, AWS, now.sh, etc.) and Node.js modules use environment variables. Hosts, for example, will set a PORT variable that specifies on which port the server should listen to properly work. Modules might have different behaviors (like logging) depending …
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