Firebase React Authentication System

Create a .env file having credentials from firebase.

.env file should look like:

REACT_APP_FIREBASE_KEY="xxxxxxxxxx"
REACT_APP_FIREBASE_DOMAIN="xxxxxxxxxx"
REACT_APP_FIREBASE_PROJECT_ID="xxxxxxx"
REACT_APP_FIREBASE_STORAGE_BUCKET="xxxxxxxx"
REACT_APP_FIREBASE_SENDER_KEY=xxxxxxx
REACT_APP_FIREBASE_APP_ID="xxxxxxx"
REACT_APP_FIREBASE_MEAS_ID="xxxxxxxxx"

Install Dependencies by npm install.

And start the app with npm start or yarn start