what is the use of dotenv code example
Example 1: dotenv
$ npm install dotenv
//--------------------
on file .env
//--------------------
DB_HOST=localhost
DB_USER=root
DB_PASS=s1mpl3
DB_NAME=banco_de_dados
DB_PORT=3306
//--------------------
import the config from .env file
//--------------------
require('dotenv').config()
module.exports = {
username:process.env.DB_USER,
password:process.env.DB_PASS,
database:process.env.DB_NAME,
host:process.env.DB_HOST,
dialect:"mysql"
}
Example 2: dotenv
require('dotenv').config()
Example 3: .env tutorial
npm install dotenv --save
Example 4: .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}.`)})