{ config, ... }:

# Tailscale node joined to the self-hosted headscale control server.
# Auto-registers on boot from a sops pre-auth key. Requires the importing host
# to declare `sops.secrets.tailscale_authkey` (see each host's secrets.nix).
# Not for the VM (no sops).
{
  services.tailscale = {
    enable = true;
    openFirewall = true;                       # UDP 41641 for direct connections
    authKeyFile = config.sops.secrets.tailscale_authkey.path;
    extraUpFlags = [ "--login-server=https://vpn.mgaction.town" ];
  };
  # Reach the host's services over the tailnet without opening LAN ports.
  networking.firewall.trustedInterfaces = [ "tailscale0" ];
}