{
  inputs = {
    # Core Nixpkgs
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
    # Numbus server configuration
    numbus.url = "git+https://gittea.dev/numbus/numbus-backup-server";
    numbus.inputs.nixpkgs.follows = "nixpkgs";
    # Disk-partitioning helper
    disko.url = "github:nix-community/disko";
    disko.inputs.nixpkgs.follows = "nixpkgs";
    # Secrets handling
    sops-nix.url = "github:Mic92/sops-nix";
    sops-nix.inputs.nixpkgs.follows = "nixpkgs";
    # Power savings
    autoaspm.url = "git+https://git.notthebe.ee/notthebee/AutoASPM";
    autoaspm.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = { self, nixpkgs, numbus, disko, sops-nix, autoaspm, ... }@inputs: let
    # System definition
    system = "x86_64-linux";
    pkgs = import nixpkgs {
      inherit system;
      config.allowUnfree = true;
    };
  in 
  {
    nixosConfigurations = {
      numbus-server = nixpkgs.lib.nixosSystem {
        inherit system;
        specialArgs = { inherit inputs; };
        modules = [
          # Numbus server configuration
          numbus.nixosModules.numbus
          # Disk-partitioning helper
          disko.nixosModules.disko
          # Secrets handling
          sops-nix.nixosModules.sops
          # Power savings
          autoaspm.nixosModules.autoaspm
          # Core host configuration
          ./configuration.nix
          ./hardware-configuration.nix
        ];
      };
    };
  };
}