Conditional Forwarding stops working when I reboot host or restart container

I can't get this to work? I get:

Can't find a suitable configuration file in this directory or anyparent. Are you in the right directory? Supported filenames: docker-compose.yml, docker-compose.yaml

Can you explain how to do this?

I did that because on container spin up one google upstream dns server would be checked in the UI in addition to the Custom 1 DNS (for cloudflared). I added it in a second time, which prevents the Google one from getting checked. I can undo it if necessary.

Yeah I don't know what those are. I adapted my docker-compose from here:

Should I remove? Would they even be used with Pi-hole?