{
  description = "Systant - System monitoring agent with MQTT and Home Assistant integration";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
  inputs.flake-utils.url = "github:numtide/flake-utils";

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
      ...
    }:
    {
      # Home Manager module (system-independent)
      homeManagerModules.default = import ./nix/nixos-module.nix;

      # Overlay to add systant to pkgs
      overlays.default = final: prev: {
        systant = final.callPackage ./nix/package.nix { src = self; };
      };
    }
    //
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = true;
          overlays = [ self.overlays.default ];
        };
      in
      {
        packages = {
          systant = pkgs.systant;
          default = pkgs.systant;
        };

        apps.default = {
          type = "app";
          program = "${pkgs.systant}/bin/systant";
        };

        devShells.default = pkgs.mkShell {
          buildInputs = with pkgs; [
            bashInteractive
            glibcLocales
            git
            bun
            inotify-tools
          ];

          shellHook = ''
            export PROJECT_ROOT=$PWD
          '';
        };
      }
    );
}