{ config, ... }:

# DERP is a relay system that Tailscale uses when a direct connection cannot be established.
# https://tailscale.com/blog/how-tailscale-works/#encrypted-tcp-relays-derp

{
  # https://login.tailscale.com/admin/machines

  services.tailscale.enable = true;
  # https://tailscale.com/kb/1085/auth-keys
  services.tailscale.authKeyFile = config.sops.secrets.tailscale-authkey.path; # also enables autoconnect
  sops.secrets.tailscale-authkey = {};
}