Install Supervisor for websocket

How to configure WebSocket using supervisor?
I already installed supervisor, but my laravel application is not connecting with the socket. How to solve it?

What is the error message?

WebSocket connection to ‘wss://sitelink.sbs:6001/app/66468c2d5949ebe7ee090?protocol=7&client=js&version=4.3.1&flash=false’ failed: