What are the challenges with a user pool per tenant in a an AWS multi-tenant serverless application
问题 I am considering creating a user pool per tenant based on the recommended multi-tenant architecture (for ex: https://aws.amazon.com/quickstart/saas/identity-with-cognito/) The rest of the resources in the application are going to be using pooled resources (for ex: API gateway, dynamoDB tables). Considering the silo model just for the Cognito/auth part of the application. Application requirements: Subdomain per tenant i.e. tenant1.company.com an tenant2.company.com A user can belong to