let API_URL: string;

API_URL = "http://localhost:3000/api";
export default API_URL;

let API_URL: string;

API_URL = `${window.location.protocol}//${window.location.hostname}:3000/api`;
export default API_URL;

Correct development URL to use port 3000 for api
CONFIG: Correct development URL to use port 3000 for api
