Learn how to build a solid user authentication system in Angular with Firebase Google SignIn, then create custom data in Firestore. Source code and article 👉 https://fireship.io/lessons/angularfire-google-oauth/
Original Lesson: https://angularfirebase.com/lessons/google-user-auth-with-firestore-custom-data/
Firebase: https://firebase.google.com/
Angular: https://angular.io/
ngx-firebase-ui: https://www.npmjs.com/package/ngx-auth-firebaseui