nginx websocket proxy

ngx_ws.conf

    location /publish/dev/app/ws {
        proxy_pass http://test:80;
        # include conf.d/ws.txt;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        proxy_pass_request_headers on;
        proxy_pass_header Server;
        real_ip_header X-Real-IP;
        # proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $http_host;
        proxy_set_header X-Scheme $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }