export const CLIENT_URL = process . env . REACT_APP_CLIENT_URL || 'http://localhost:3000' ; export const SERVER_URL = process . env . REACT_APP_SERVER_URL || 'http://localhost:5000' ; export const SOCKET_URL = process . env . REACT_APP_SOCKET_URL || 'http://localhost:5000' ; export const CDRT_SERVER = process . env . REACT_APP_CRDT_SERVER || 'ws://localhost:1234' ; export const PRODUCTION = process . env . REACT_APP_PROD === 'true' ; export const GOOGLE_ANALYTICS_KEY = process . env . REACT_APP_GOOGLE_ANALYTICS_KEY || 'UA-000000000-0' ;