How to Create an Authenticated REST API on AWS with API Gateway, Lambda, Cognito, & AWS Amplify

In this video I'll use the Amplify CLI to deploy a REST API backed by AWS Lambda and then connect to the API from a client-side project using React. I'll show how to configure the REST API to enable a Cognito Authorizer, only allowing authenticated requests to interact with the endpoint. I'll also show how to securely access the user's identity in the Lambda function event.
Here is some of the code I used: gist.github.co...