service: serverless-websockets-service
# Load the plugin
plugins:
  - serverless-websockets-plugin
provider:
  name: aws
  runtime: nodejs8.10
  
  # Optional
  websocketApiName: foobar
  websocketApiRouteSelectionExpression: $request.body.action
functions:
  connectionManagement:
    handler: handler.connectionManagement
    events:
      - websocket:
          routeKey: $connect
      - websocket:
          routeKey: $disconnect
  defaultMessage:
    handler: handler.default
    events:
      - websocket:
          routeKey: $default
  chatMessage:
    handler: handler.chat
    events:
      - websocket:
          routeKey: message
  twoWayMessage:
    handler: handler.twoWay
    events:
      - websocket:
          routeKey: twoway
          # The property below will enable an integration response in the API Gateway.
          # See https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-websocket-api-route-response.html
          routeResponseSelectionExpression: $default