This is a test server in node for websocket communication It is using https://www.npmjs.com/package/ws or https://github.com/websockets/ws

as the websocket library package and

I'm deploying it as detomata.com https://detomata.com

So access would be

-> wss://detomata.com

See using postman for testing here: https://blog.postman.com/set-up-a-websockets-server-in-node-js-postman/