In this tutorial, I'll show you how to set up a Firebase Realtime Database for your web app. Learn to handle user authentication, write secure rules, and optimize performance with data validation and indexes. We'll build a simple app with a profile page and a status feed to show you how it all works. Subscribe: / @errorfarm Music by Freepik https://tunes.freepik.com/ Chapters 0:00 - Intro 0:45 - Create Firebase Backend 2:15 - Create Realtime Database 3:44 - Set up Google Authentication 5:03 - Set Security Rules for Authenticated Users 6:30 - Data Validation (.validate parameter) 7:42 - Indexes (.indexOn parameter)