So the error "attempt to write a readonly database" was in my case solved by resetting the ACL with this command;
sudo setfacl -Rbn /opt/docker/pihole_v5/
Hopefully it helps others with the same problem.
Thanks all for helping!
So the error "attempt to write a readonly database" was in my case solved by resetting the ACL with this command;
sudo setfacl -Rbn /opt/docker/pihole_v5/
Hopefully it helps others with the same problem.
Thanks all for helping!