Websocket proxy nginx config

websocket_proxy_nginx

   map $http_upgrade $connection_upgrade {
        default upgrade;
        ''      close;
    }

    location /ws/ {
        proxy_pass         http://127.0.0.1:1982;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";

        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_buffering off;
    }