{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-25.11";
    systems.url = "github:nix-systems/default";
    git-hooks.url = "github:cachix/git-hooks.nix";
  };

  outputs =
    {
      self,
      systems,
      nixpkgs,
      ...
    }@inputs:
    let
      forEachSystem = inputs.nixpkgs.lib.genAttrs (import systems);
    in
    {
      formatter = forEachSystem (
        system:
        let
          pkgs = inputs.nixpkgs.legacyPackages.${system};
        in
        pkgs.treefmt
      );

      checks = forEachSystem (system: {
        pre-commit-check = inputs.git-hooks.lib.${system}.run {
          src = ./.;
          hooks = {
            treefmt.enable = true;
            treefmt.settings.formatters = [ inputs.nixpkgs.legacyPackages.${system}.nixfmt ];
            statix.enable = true;
            deadnix.enable = true;
            nil.enable = true;
          };
        };
      });

      devShells = forEachSystem (system: {
        default =
          let
            pkgs = nixpkgs.legacyPackages.${system};
            inherit (self.checks.${system}.pre-commit-check) shellHook enabledPackages;
          in
          pkgs.mkShell {
            inherit shellHook;
            buildInputs = enabledPackages;
          };
      });

      nixosConfigurations = {
        vm = nixpkgs.lib.nixosSystem { modules = [ ./systems/vm/configuration.nix ]; };
      };
    };
}