Nginx Reverse Proxy Subpath for Jupyter

nginx.defaults

# setting up upstream to Jupyter running on port 8889
upstream notebook {
  server localhost:8889;
  keepalive 32;
}

server {

	root /var/www/html;

	# Add index.php to the list if you are using PHP
	index index.html index.htm index.nginx-debian.html;
    server_name YOURDOMAIN.com; # managed by Certbot


	location / {
		# First attempt to serve request as file, then
		# as directory, then fall back to displaying a 404.
		try_files $uri $uri/ =404;
	}

	location = /notebook {
		rewrite ^/(.*)$ $1/ permanent;
	}

	location /notebook {
		error_page 403 = @proxy_notebook;
		deny 127.0.0.1;
		allow all;
		# set a webroot, if there is one
		root /some-webroot;
		try_files $uri @proxy_notebook;
	}

	location @proxy_notebook {
		proxy_read_timeout 300s;
      		proxy_pass http://notebook;
		proxy_set_header X-Real-Ip $remote_addr;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	}

	location ~ /notebook/api/kernels/ {
		proxy_pass            http://notebook;
		proxy_set_header      Host $host;
		# websocket support
		proxy_http_version    1.1;
		proxy_set_header      Upgrade "websocket";
		proxy_set_header      Connection "Upgrade";
		proxy_read_timeout    86400;
	}

	location ~ /notebook/terminals/ {
		proxy_pass            http://notebook;
		proxy_set_header      Host $host;
		# websocket support
		proxy_http_version    1.1;
		proxy_set_header      Upgrade "websocket";
		proxy_set_header      Connection "Upgrade";
		proxy_read_timeout    86400;
	}
		
    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/YOURDOMAIN.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/YOURDOMAIN.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}
server {
    if ($host = YOURDOMAIN.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


	listen 80 ;
	listen [::]:80 ;
    server_name YOURDOMAIN.com;
    return 404; # managed by Certbot


}