Setup environment variables with Node.js + Dotenv Tutorial | Configuring Environment Variables Node

Описание: Today I will explain how to access the Environment variable in the Node js project. Working with environment variables is a great way to configure different aspects of your Node.js application.

a) what is env variable

b) How many ways we can setup the env variable in Node.js

c) Using dotenv with NodeJS and Environment Variables



development - port, db config,username, password etc- 8000, smtp auth{email, pass}

Testing - port, db config,username, password, filepath etc - 8001

Production - port, db config,username, password, filepath etc - 8002, 8003 auth{email, pass}




Command line argumant--- PORT= 3000 npm start

create .env file and declare the values inside that file.

create .env file inside project directory

add this .gitignore

Declare all your config values

dotenv module npm library

Fetch those env values to Node.js file


Link to get the dotenv module

https://www.npmjs.com/package/dotenv

Get the updated code from here

https://github.com/subhrajyotiw5rtc/t...