- https://github.com/andreivmaksimov/serverless-framework-aws-lambda-amazon-api-gateway-s3-dynamodb-and-cognito
- https://hands-on.cloud/serverless-framework-building-web-app-using-aws-lambda-amazon-api-gateway-s3-dynamodb-and-cognito-part-1/
- https://hands-on.cloud/serverless-framework-building-web-app-using-aws-lambda-amazon-api-gateway-s3-dynamodb-and-cognito-part-2/