HOW TO ADD DOTENV code example

Example 1: node dotenv

require('dotenv').config();

console.log(process.env.MY_ENV_VAR);

Example 2: how to use dotenv in javascript

dotenv file use

Example 3: .env tutorial

const express = require('express');const app = express();const port = process.env.PORT || 3000;require('dotenv').config();app.get('/', (req, res) => {    res.send(process.env.SECRET_KEY);})app.listen(port, () => {    console.log(`Server is running on port ${port}.`)})

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