Serverless REST API with Cognito Authentication

Build a production-style serverless REST API entirely from the AWS CLI. You will create a DynamoDB table, a Python Lambda function, and an HTTP API in API Gateway with GET and POST routes. Then you will add Amazon Cognito authentication so only users with a valid JWT can access the API.

You'll learn to:

• Create a DynamoDB table and a Lambda function that reads and writes to it
• Build an HTTP API (API Gateway v2) with Lambda integration and routes
• Set up an Amazon Cognito User Pool and app client
• Create a JWT authorizer on the API Gateway and attach it to routes
• Authenticate with Cognito and test protected endpoints with curl

Key Resources:

• API Gateway HTTP APIs
• Lambda Developer Guide
• Cognito User Pools