{
  config,
  lib,
  ...
}:
with lib; {
  imports = [
    ./mailserver
    ./webserver.nix
  ];

  nixfiles.modules = {
    nsd = {
      enable = true;
      fqdn = "ns1.${config.networking.domain}";
    };
    unbound.enable = true;

    wireguard.server.enable = true;

    acme.enable = true;

    monitoring.enable = true;

    postgresql.enable = true;
    clickhouse.enable = true;

    git.server = {
      enable = true;
      domain = "git.${my.domain.azahi}";
    };

    matrix.dendrite = {
      enable = true;
      domain = my.domain.azahi;
    };
    murmur.enable = true;
    radicale.enable = true;
    rss-bridge.enable = true;
    shadowsocks.enable = true;
    soju = {
      enable = true;
      domain = my.domain.azahi;
    };
    vaultwarden.enable = true;
    ntfy.enable = true;
    plausible.enable = true;
  };

  # A VPN to play old LAN games with the boys.
  # secrets."wireguard-private-key-70".file = "${inputs.self}/secrets/wireguard-private-key-70";
  # networking = mkIf config.nixfiles.modules.wireguard.server.enable {
  #   wireguard.interfaces.wg70 = {
  #     ips = ["10.70.0.1/16"];
  #     listenPort = 7070;
  #     privateKeyFile = config.secrets."wireguard-private-key-70".path;
  #     peers = [
  #       {
  #         publicKey = "@PUBLIC_KEY@";
  #         allowedIPs = ["10.70.1.1/32"];
  #       }
  #       {
  #         publicKey = "@PUBLIC_KEY@";
  #         allowedIPs = ["10.70.1.2/32"];
  #       }
  #       {
  #         publicKey = "@PUBLIC_KEY@";
  #         allowedIPs = ["10.70.1.3/32"];
  #       }
  #       {
  #         publicKey = "@PUBLIC_KEY@";
  #         allowedIPs = ["10.70.1.4/32"];
  #       }
  #     ];
  #   };
  #   firewall.allowedUDPPorts = [7070];
  # };

  boot = {
    loader.grub = {
      enable = true;
      device = "/dev/sda";
    };

    initrd.availableKernelModules = [
      "virtio_pci"
      "virtio_scsi"
    ];
  };

  fileSystems = {
    "/" = {
      device = "/dev/sda2";
      fsType = "xfs";
      options = ["noatime"];
    };

    "/boot" = {
      device = "/dev/sda1";
      fsType = "xfs";
      options = ["noatime"];
    };
  };

  swapDevices = [
    {
      device = "/dev/sda3";
    }
  ];

  zramSwap = {
    enable = true;
    memoryPercent = 25;
  };
}