JAVASCRIPT

dotenv npm

//In CMD
npm i dotenv


//in JS file 
require('dotenv').config();

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

node dotenv

const config = require('dotenv-config')();
 
console.log(config.test); // localhost
 
module.exports = config;

dotenv npm

import * as dotenv from 'dotenv' // see https://github.com/motdotla/dotenv#how-do-i-use-dotenv-with-import
dotenv.config()
import express from 'express'

dotenv in node js

This is used to add a specific path to locate the .env file if we use like this 
.config() then this is finding .env file in our cwd - current working directory.


require('dotenv').config({ path: '/custom/path/to/.env' })

what is dotenv in nodejs

this module is used to access environment variable in our application

dotenv npm

import * as dotenv from 'dotenv' // see https://github.com/motdotla/dotenv#how-do-i-use-dotenv-with-import
dotenv.config()
import express from 'express'