dotenv not working code example

Example 1: dotenv not loading process.env in node

Rename your file to just .env, removing any prefix
require it as early as possible in your application with the code snippet below
require('dotenv').config();

Example 2: .env file vars nto defined in child directory

const ck = require('ckey');

const userName = ck.USER;     // [email protected]
const password = ck.PASSWORD; // iampassword123
const apiKey   = ck.API_KEY;  // 1234567890