This SAM application provides the Lambda functions, DynamoDB table, and roles to allow you to build a simple chat application based on API Gateway's new WebSocket-based API feature.
samconfig.toml
With this release, the aws-sdk dependency is now removed. With this, the 6mb function package is reduced to a few kbs. This happens now as most of the users using the SDK have now the bare version needed that includes the WSS support.