Answers for "create dotenv file nodejs"

node dotenv

require('dotenv').config();

console.log(process.env.MY_ENV_VAR);

dotenv nodejs

// Terminal/CMD
npm i dotenv

//In .env file
special_key = 0000000 //whatever the key

//In JS file - 2 point usage
//1 - initialisation
require('dotenv').config();
//2 - using the special key
const specialKey = process.env.special_key
console.log(specialKey);