laravel reverb websocket not connected.

i conigure reverb in production server with below steps.

1. install reverb
2. added bellow code on server but still getting

`location /app {
    proxy_http_version 1.1;
    proxy_set_header Host $http_host;
    proxy_set_header Scheme $scheme;
    proxy_set_header SERVER_PORT $server_port;
    proxy_set_header REMOTE_ADDR $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";

    proxy_pass http://0.0.0.0:8080;
}`

still getting WebSocket connection faild

Thanks in advance