configuration.nix/hosts/skipper/wireguard.nix

{ config
, secrets
, ...
}:
let
  inherit (secrets.wireguard_config) peers;
in
{
  networking.firewall.trustedInterfaces = [ "wg0" ];
  networking.wireguard = {
    enable = true;
    interfaces = {
      wg0 = {
        inherit (peers."${config.networking.hostName}") ips listenPort;
        privateKeyFile = "/etc/wireguard/private.key";
        generatePrivateKeyFile = true;
        peers = with peers; [
          Proxy.peer
        ];
      };
    };
  };
}