If you have a running LND node you can just run Alby Hub next to LND and connect these two by choosing "Advanced Setup" during the Alby Hub setup.
Alby Hub then uses your existing LND node to facilitate payments.
Discussion
Create wallet with custom Node>lnd?Where do i get the details for the Formular? (Lnd Adresse (grpc) Tls certificate (hex) Admin macaroon (hex))
I don't have the commands ready, but you should find guides on how to generate these things in the LND docs:
https://docs.lightning.engineering/
Putting out a bounty of 21k sats for a detailed guide on how to make it work. 🔥