Building a multi-tenant Amplify app with a React frontend

The text provides a comprehensive guide to setting up a multi-tenant Software as a Service (SaaS) application using Amazon Web Services (AWS), focusing on a to-do list application. It introduces the concept of tenants in SaaS, explains different tenancy models, and emphasizes the multi-tenant model for this setup. AWS resources such as Cognito for authentication, AppSync for the GraphQL API, and DynamoDB for database management are utilized. The architecture involves a React client for user interaction, where users authenticate and manage to-do items, with data stored in a DynamoDB table using a composite primary key. The article details the backend setup, including serverless deployment, and touches on frontend development using Ant Design for UI components. It also highlights the importance of database design in multi-tenancy, the use of mapping templates for data operations, and the role of AWS Lambda functions in the process. Finally, the guide suggests deploying the project with different stages to test the multi-tenancy model and encourages readers to explore the provided code repository for further learning.