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Echo Chat Application

Echo Chat Application

Understand core concepts of WebSocket using an echo chat application.

WebSocket on AWS

The AWS API Gateway enables simple implementation of Websocket API. When configuring a WebSocket API, we don’t have to worry about the server-side protocol. Instead, we can create a new entity when we’re ready to use it.

A WebSocket API configuration requires integrations for specific events or routes in the incoming request.

  • On Connect: When a new connection is established.

  • On Disconnect: When an existing connection is terminated.

  • Additional custom action (optional): We can specify custom actions in the API.

  • Default action (optional): Invoked when the action in the incoming message isn’t configured explicitly. ...