App deployed and live on below link https://instagram-clone-react-40aec.web.app/ For Working Locally follow below steps Clone app and Install required npm modules npm install Create a web project on firebase console https://console.firebase.google.com/ Grab the config Firebase sdk from project settings Replace config with the existing config present in src/firebase.js Start app npm start App live and running on below link http://localhost:3000 / http://127.0.0.1:3000