sudo touch /var/lib/misc/dnsmasq.leases
chown pihole:pihole /var/lib/misc/dnsmasq.leases
the first command may not be needed but i have it here just in case
Should create the file and allow pihole-FTL to see and use it.
I see a docker process is this being run in docker as well or is that something else on your system. The reason i ask is if we need to bring in the docker expert we just need to know