location / {
       client_max_body_size 50M;

       proxy_pass             http://localhost:8065/;
       proxy_set_header       Host $http_host;
       proxy_buffering off;

       proxy_set_header X-Forwarded-Proto $scheme;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
       proxy_set_header X-Real-IP $remote_addr;

       # Web-socket headers
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
       proxy_set_header Connection "upgrade";
}