{ config, pkgs, lib, inputs, nixpkgs-nixos-unstable-and-unfree, ... }: {
  imports = [
    ./common-hardware.nix
    ./common-services.nix
    ./security.nix
    ./syncthing.nix
  ];

  security.allowUserNamespaces = true;

  environment.enableDebugInfo = true;

  environment.systemPackages = with pkgs; [
    wget
    git
    gnupg
    curl
    tmux
    htop
    atop
    home-manager
    pciutils
    powertop
    fd
    dnsutils
    usbutils
    nixpkgs-nixos-unstable-and-unfree.veracrypt
  ];

  i18n.defaultLocale = "en_GB.UTF-8";

  users.users.cyryl = {
    isNormalUser = true;
    extraGroups = [
      "wheel"
      "networkmanager"
      "video"
      "scanner"
      "lp"
      "docker"
      "vboxusers"
      "adbusers"
      "libvirtd"
      "dialout"
      "wireshark"
    ];
    shell = pkgs.zsh;
  };

  networking.nameservers =
    [ "91.239.100.100" "89.233.43.71" "1.1.1.1" "8.8.8.8" ];

  networking.hosts = { "10.11.99.1" = [ "remarkable" ]; };

  programs.light.enable = true;
  programs.adb.enable = true;
  programs.wireshark.enable = true;

  virtualisation.docker = {
    enable = true;
    autoPrune.enable = true;
  };

  fonts.fontconfig = {
    enable = true;
    defaultFonts.monospace = [ "Berkeley Mono" ];
  };

  fonts.fonts = with pkgs; [
    (fetchzip {
      name = "berkeley-mono-fonts";
      url = "file:///" + ./fonts.zip;
      postFetch = ''
        mkdir -p $out/share/fonts
        unzip -j $downloadedFile \*.otf -d $out/share/fonts/opentype
        unzip -j $downloadedFile \*.ttf -d $out/share/fonts/truetype
      '';
      sha256 = "sha256-r4R7+GrdbksV+EtV68RlzTauTgBS3tzlqawgTMXyJW8=";
    })

    emojione
    fira-code
    font-awesome
    iosevka
    material-icons
    nerdfonts
    noto-fonts-emoji
    powerline-fonts
    source-code-pro
    weather-icons
  ];

  nix = {
    autoOptimiseStore = true;
    gc.automatic = true;
    optimise.automatic = true;
    package = pkgs.nixUnstable;
    extraOptions = ''
      experimental-features = nix-command flakes
    '';
  };

  system = { stateVersion = "20.03"; };
}