Get a domain, most tutorials use Cloudflare, so get that and switch if you want only after learning a bit more.

I recommend this setup to easily host anything you could ever want, access it remotely without exposing your network. Use Proxmox Helper Scripts.

Proxmox VE (host)
├── VM #1: Tailscale Exit Node
└── VM #2: VM
    └── Docker
        ├── Traefik
        ├── Coolify
        └── Zitadel