{
  description = "A simple Nix flake for server configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    {
      self,
      nixpkgs,
      home-manager,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
        # This is the main entry point for a user's home configuration.
        # The user should be changed to the actual username.
        username = "root";
      in
      {
        packages.default = pkgs.btop;

        homeConfigurations.${username} = home-manager.lib.homeManagerConfiguration {
          inherit pkgs;
          modules = [
            (
              { config, pkgs, ... }:
              {
                home.username = username;
                home.homeDirectory = "/home/${username}";

                home.stateVersion = "23.11"; # Please change this to your version.

                home.alias = {
                  l = "ls -hal";
                };

                home.packages = [
                  pkgs.btop
                ];
              }
            )
          ];
        };
      }
    );
}