Building scalable Flutter apps using GraphQL, Hasura and event-driven serverless, Part 2 - Setting up Auth

This tutorial series demonstrates how to build scalable Flutter apps using GraphQL, Hasura, and event-driven serverless. Part 2 focuses on setting up authentication with Firebase services and Hasura. The guide covers enabling Email/Password sign-in method in Firebase, creating custom claims for users during registration, and deploying Firebase functions to sync Firebase users with Hasura. Additionally, it explains how to configure Hasura to switch to JWT mode and decode Firebase user tokens. Finally, the tutorial introduces event triggers as a way to handle cases where client trust is not sufficient or additional business logic is required.