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