TLDR:

1. take any linux machine, install lnbits, takes few command lines and 10 min

2. Use caddy for reverse proxy and link to a subdomain (lnbits.yourdomain.com), takes 2 min

3. connect to your LN node or any other LSP (LNpay or LNTipBot for example). Takes 1 min

Done! You have a working LNbits instance.