here is my .env setup for ligess with notes:
===================================
LIGESS_USERNAME=XXXX
LIGESS_DOMAIN=XXXX (your domain)

LIGESS_LN_BACKEND=LND

LIGESS_LND_REST=https://X.X.X.X:8080 (this is node-kun's ip through the VPS)
LIGESS_LND_MACAROON=XXXX

LIGESS_NOSTR_ZAPPER_PRIVATE_KEY=XXXX (your nostr key in hex format)

HOST=127.0.0.1
PORT=XXXX (port using service)
===================================

let meow know if you have any questions.
hope this helps ^___^