Websocket connection using kong api gateway community version

Installation/Setup
1

Is it possible to use a WebSocket connection in the Kong API gateway community version?

If yes then I am using dbless mode for the Kong gateway.
but I am not able to connect Websocket through Postman.

here is my kong.yml

_format_version: "3.0"
_transform: true

services:
  - name: auth_service
    host: auth
    port: 9001
    protocol: http
    routes:
      - name: auth_route
        paths:
          - /auth
        protocols:
          - http
        strip_path: true
  - name: chat_service
    host: chat
    port: 9002
    protocol: http
    routes:
      - name: chat_route
        paths:
          - /chat
        protocols:
          - http
        strip_path: true

and I am trying to connect websocket connection on the chat service using the below URL
here, I have a namespace of the socket in the chat service.

ws://localhost:8000/chat/socket?token={{auth_token}}

any help would be much appreciated.