The tutorial
docker run -d --name pihole -e ServerIP=172.26.224.1 -e WEBPASSWORD=asdf -e TZ=America/Sao_Paulo -e DNS1=127.17.0.1 -e DNS2=1.1.1.1 -e DNS3=1.0.0.1 -p 80:80 -p 53:53/tcp -p 53:53/udp -p 443:443 --restart=unless-stopped pihole/pihole:latest
O endereço para acessar o Pi Hole uma vez instalado: localhost admin