nix-config/hosts/hosting-02/default.nix

{ config, ... }:
{
  imports = [
    ./disk-config.nix
    {
      _module.args.disks = [ "/dev/sda" ];
    }

    ../common/servers
  ];

  time.timeZone = "Europe/Berlin";

  networking.hostName = "hosting-02";
  networking.firewall = {
    enable = true;
    allowedTCPPorts = [
      80
      443
    ];
    allowedUDPPorts = [
      51820
    ];
  };

  networking.iproute2.enable = true;
  systemd.network.config = {
    routeTables = {
      vpn = 133;
    };
    addRouteTablesToIPRoute2 = true;
  };

  systemd.network.networks."30-wan" = {
    address = [
      "2a01:4f8:c013:7fc0::/64"
    ];

    routingPolicyRules = [
      {
        From = "10.64.244.95/32";
        Table = "vpn";
      }
      {
        From = "fc00:bbbb:bbbb:bb01::1:f45e/128";
        Table = "vpn";
      }
      {
        User = config.users.users.vpn.uid;
        Table = "vpn";
        Family = "both";
      }
    ];
  };

  users.groups.vpn = { };
  users.users.vpn = {
    isSystemUser = true;
    group = "vpn";
    uid = 51280;
  };

  networking.wireguard = {
    enable = true;

    interfaces.wg0 = {
      ips = [
        "10.64.244.95/32"
        "fc00:bbbb:bbbb:bb01::1:f45e/128"
      ];

      peers = [
        {
          publicKey = "KkShcqgwbkX2A9n1hhST6qu+m3ldxdJ2Lx8Eiw6mdXw=";
          allowedIPs = [
            "0.0.0.0/0"
            "::0/0"
          ];
          endpoint = "146.70.117.226:51820";
          persistentKeepalive = 25;
        }
      ];

      listenPort = 51820;
      privateKeyFile = config.sops.secrets.wireguardKey.path;
      table = "133";
    };
  };

  sops.secrets = {
    wireguardKey = {
      owner = "root";
      sopsFile = ./secrets.yaml;
    };
  };

  security.acme.defaults.email = "landervandenbulcke@gmail.com";
  security.acme.acceptTerms = true;

  system.stateVersion = "25.05";
}