# install locally (recommended)
npm install dotenv --save

import 'dotenv/config'

{"tags":[{"tag":"textarea","content":"\/\/in your script file\nimport 'dotenv\/config';\n\/\/alertnatively you can do this when you env file is not in your main folder\nimport dotenv from 'dotenv';\nimport path from 'path';\ndotenv.config({path: '.\/config\/.env'});\n\/\/or\ndotenv.config({path: path.resolve(__dirname, 'config\/.env')});","code_language":"csharp"}]}

{"tags":[{"tag":"textarea","content":"require('dotenv').config()\nconsole.log(process.env) \/\/ remove this after you've confirmed it is working","code_language":"whatever"}]}

const db = require('db')
db.connect({ host: process.env.DB_HOST, username: process.env.DB_USER, password: process.env.DB_PASS
})

must install dotenv package from terminal using
yarn add --dev dotenv
// this is under config.js
require("dotenv").config();
// RPC_url & Private key masked by dotenv
const GOERLI_RPC_URL = process.env.GOERLI_RPC_URL;
const PRIVATE_KEY = process.env.PRIVATE_KEY;
// This are under .env
GOERLI_RPC_URL = https://eth-goerli.g.alchemy.com/v2/QQCTg89Ei5ZfBUQ0Y5g0j_aN2PwmwX67
PRIVATE_KEY = f8494e7b7d5a8bd284150015ac99074c12ff3d7f06d574c837ea6a2a78918a17
ETHERSCAN_API_KEY = C419PC8HGZ6ZA7V3K41A9YRWTDMD3XDYCB

DB_HOST=localhost
DB_USER=root
DB_PASS=s1mpl3