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

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

    gotify.enable = true;
    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;
  };

  # 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;
  };
}