Tailscale is a commercial, yet widely open-sourced VPN provider, based on the Wireguard protocol. The service enables to connect devices to each other, without having to open anything up to the broader internet.
It can be used extensively for free, up to 3 users.
Basic commands
Advanced stuff
In your Tailscale network, DNS configurations can be made
Coupling Tailscale with…
For Nginx, there are configurations available.
See more in