AWS API Gateway WebSockets Serverless

update 2019-10-03: websocket events are now “natively supported in serverless framework” no longer need to use serverless-websockets-plugin. see https://serverless.com/framework/docs/providers/aws/events/websocket/

below uses serverless-websockets-plugin

learn AWS API Gateway Websockets with serverless framework

• Using API Gateway WebSockets with the Serverless Framework
• serverless-websockets-plugin/example
• Control Access to a WebSocket API in API Gateway
• API Gateway Limits for Configuring and Running a WebSocket API