{
  description = "Nixos config flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-23.11";

    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # nixvim = {
    #   url = "github:nix-community/nixvim";
    #   inputs.nixpkgs.follows = "nixpkgs";
    # };
    nixvim-config = {
      type = "gitlab";
      owner = "MFlossmann";
      repo = "nixvim_config";
    };

    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    sops-nix = {
      url = "github:mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    ...
  } @ inputs: let
    # basic boilerplate-reducing lib with a bunch of functions
    helperLib = import ./helperLib/default.nix {inherit inputs;};
    nixvim_config = inputs.nixvim_config;
  in {
    packages = helperLib.forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});

    formatter = helperLib.forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);

    nixosConfigurations = {
      remus = helperLib.mkSystem ./hosts/remus/configuration.nix;
      muffinman = helperLib.mkSystem ./hosts/muffinman/configuration.nix;
    };

    homeConfigurations = {
      "prunebutt@remus" = helperLib.mkHome "x86_64-linux" ./hosts/remus/home.nix;
      "prunebutt@muffinman" = helperLib.mkHome "x86_64-linux" ./hosts/muffinman/home.nix;
    };

    homeManagerModules.default = ./modules/home;
    nixosModules.default = ./modules/nixOS;

    # overlays.additions =
    #   (final: prev: {
    #     neovim = nixvim_config.packages.${prev.system}.default;
    #   });
  };
}