jupyterhub.nginx.conf

        location /my-jupyter/ {
                proxy_pass http://my-jupyter:8000;

                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
		            proxy_read_timeout 90;

                add_header Access-Control-Allow-Origin *;
        }

    	location ~* /my-jupyter/.+\/.+\/(api/kernels/[^/]+/(channels|iopub|shell|stdin)|terminals/websocket)/? {
        	proxy_pass http://my-jupyter:8000;
        	proxy_set_header X-Real-IP $remote_addr;
        	proxy_set_header Host $host;
        	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        
        	# WebSocket support
        	proxy_http_version 1.1;
        	proxy_set_header      Upgrade "websocket";
        	proxy_set_header      Connection "Upgrade";
        	proxy_read_timeout    86400;
    	}