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Do you want connectivity for opening channels to your node? Or only for receiving payments?
If it’s just for payments, you can run Alby Lite on a VPS, connected to your node with NOSTR Wallet Connect (NWC).
If it’s for Lightning channels, you can use the standard Linux VPN, WireGuard, to connect your node to a VPS. But that’s an actual VPN, not “VPN-style”. Likewise, many people use Tailscale, which simplifies it.
It would be a handy utility to have a drop-in pair of apps that essentially sets up the necessary port forwarding for the Lighting, Electrum, Bitcoin ports, between a VPS and a node. “Lightning Proxy”.