My nixos configuration

nixos.nix

{ config, lib, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  # Bootloader.
  boot = {
    #kernelPackages = pkgs.linuxPackages_latest;
    #initrd.kernelModules = [ "nvidia" "nvidia_modeset" "nvidia_uvm" "nvidia_drm" ];
    #systemd-boot.enable = false;
    loader = {
      #systemd-boot.enable = true;
      efi = {
        canTouchEfiVariables = true;
        efiSysMountPoint = "/boot/efi";
      };
      grub = {
        devices = [ "nodev" ];
        enable = true;
        #efiInstallAsRemovable = true;
        configurationLimit = 5;
        efiSupport = true;
        #version = 2;
        useOSProber = true;
      };
    };
  };

  time.hardwareClockInLocalTime = true;

  networking.hostName = "nixos"; # Define your hostname.
  networking.networkmanager.enable = true;

  time.timeZone = "Europe/Moscow";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "ru_RU.UTF-8";
    LC_IDENTIFICATION = "ru_RU.UTF-8";
    LC_MEASUREMENT = "ru_RU.UTF-8";
    LC_MONETARY = "ru_RU.UTF-8";
    LC_NAME = "ru_RU.UTF-8";
    LC_NUMERIC = "ru_RU.UTF-8";
    LC_PAPER = "ru_RU.UTF-8";
    LC_TELEPHONE = "ru_RU.UTF-8";
    LC_TIME = "ru_RU.UTF-8";
  };

 
  services.xserver.enable = true;
  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
  };
  nixpkgs.config.allowUnfreePredicate = pkg:
    builtins.elem (lib.getName pkg) [
      "nvidia-x11"
      "nvidia-settings"
    ];

  services.xserver.videoDrivers = ["nvidia"];
  hardware.nvidia = {
    modesetting.enable = true;
    open = true;
    nvidiaSettings = true;
    package = config.boot.kernelPackages.nvidiaPackages.stable;
  };

  # Enable the KDE Plasma Desktop Environment.
  services.xserver.displayManager.sddm.enable = true;
  services.xserver.desktopManager.plasma5.enable = true;

  # Configure keymap in X11
  services.xserver = {
    layout = "ru";
    xkbVariant = "";
  };

  # Enable CUPS to print documents.
  services.printing.enable = true;

  # Enable sound with pipewire.
  sound.enable = true;
  hardware.pulseaudio.enable = false; 
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  users.defaultUserShell = pkgs.zsh;
  users.users.sashapop10 = {
    isNormalUser = true;
    description = "sashapop10";
    extraGroups = [ "docker" "networkmanager" "wheel" ];
    packages = with pkgs; [
      firefox
      kate
    #  thunderbird
    ];
  };

  # Fonts
  fonts.fonts = with pkgs; [
    noto-fonts
    noto-fonts-cjk
    roboto
    noto-fonts-emoji
    liberation_ttf
    fira-code
    fira-code-symbols
    mplus-outline-fonts.githubRelease
    dina-font
    proggyfonts
  ];

  # Enable automatic login for the user.
  services.xserver.displayManager.autoLogin.enable = true;
  services.xserver.displayManager.autoLogin.user = "sashapop10";
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  environment.systemPackages = with pkgs; [
      wget
      vscode
      btop  
      flameshot
      brave
      discord
      anydesk
      tmux
      gimp
      gparted
      gcc
      bash
      git   
      nodejs
      fzf
      tldr
      yarn
      lightly-qt
      bat
      unzip
      telegram-desktop
      unrar
      python3
      postman
      libreoffice-qt
      hunspell
      hunspellDicts.ru_RU
      gnumake
      neofetch
      ntfs3g
      cargo
      rustup
      chromium
      rustc
      rustfmt
      act
      asciiquarium
      mkcert
      bun
      pgadmin
      dbeaver
      zoom-us
      pkgs.nodePackages.npm-check-updates
  ];

  services.postgresql = {
    enable = true;
    ensureDatabases = [ "mydatabase" ];
    authentication = pkgs.lib.mkOverride 10 ''
      #type database  DBuser  auth-method
       local all all              trust
       host  all all 127.0.0.1/32 trust
       host  all all ::1/128      trust
    '';
  };

  programs.zsh = {
    autosuggestions.enable = true;
    syntaxHighlighting.enable = true;
    enable = true;
    ohMyZsh = {
      enable = true;
      plugins = [  "git" "node" "vscode" "postgres" "docker" "kubectl" ];
      theme = "robbyrussell";
    };
  };


  # services.openssh.enable = true;
  system.stateVersion = "23.05"; 
  system.autoUpgrade.enable = true;
  system.autoUpgrade.allowReboot = true;  
  
  # custom
  hardware.bluetooth.enable = true;
  virtualisation.docker.enable = true;
}