Pi-hole

curl -sSL https://install.pi-hole.net | bash
sudo apt install haproxy
sudo apt install nginx
pihole -a -p

Load Balancing

frontend chorke-http
   bind *:80
   mode http
   default_backend chorke-nginx
   acl path-prefix-is-pihole  path_beg /admin/
   use_backend chorke-pihole if path-prefix-is-pihole

backend chorke-nginx
   server nginx1 127.0.0.1:2013
   mode http

backend chorke-pihole
   server pihole1 127.0.0.1:2015
   mode http

Knowledge

systemctl status lighttpd systemctl status haproxy systemctl status nginx	vim /etc/nginx/sites-enabled/default vim /etc/lighttpd/lighttpd.conf vim /etc/haproxy/haproxy.cfg	pihole -c -j
sudo ss -tulwn | grep LISTEN sudo ss -tulpn | grep LISTEN | grep nginx sudo ss -tulpn | grep LISTEN | grep haproxy sudo ss -tulpn | grep LISTEN | grep lighttpd

References

Pi-hole » Automated Install Pi-hole » Uninstall Pi-hole » Reset IP Pi-hole
ZA Proxy HAProxy Nginx