{
  description = "tacocat's nix configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    helix = {
      url = "github:helix-editor/helix/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  # pass in the urls defined above
  # the @ syntax stores the arguments in the inputs variable
  outputs = inputs @ {
    self,
    nixpkgs,
    home-manager,
    helix,
    ...
  }: let
    system = "x86_64-linux";
    pkgs = inputs.nixpkgs.legacyPackages.${system};
  in {
    # nixosConfigurations: define options for different systems
    # desktop
    nixosConfigurations."BICEP" = nixpkgs.lib.nixosSystem {
      inherit system;
      modules = [
        ./hosts/BICEP/configuration.nix
        home-manager.nixosModules.home-manager
        {
          home-manager.useGlobalPkgs = true;
          home-manager.users."tacocat" = ./users/tacocat/home.nix;
        }
      ];
    };

    # laptop
    nixosConfigurations."JWST" = nixpkgs.lib.nixosSystem {
      inherit system;
      modules = [
        ./hosts/JWST/configuration.nix
        home-manager.nixosModules.home-manager
        {
          home-manager.useGlobalPkgs = true;
          home-manager.users."tacocat" = ./users/tacocat/home.nix;
        }
      ];
    };

    #homeConfigurations: define options for different users
    homeConfigurations."tacocat" = inputs.home-manager.lib.homeManagerConfiguration {
      inherit pkgs;
      extraSpecialArgs = {inherit inputs;}; # Pass flake inputs to our config
      modules = [
        ./users/tacocat/home.nix
      ];
    };

    packages.${system}."tacocat" = self.homeConfigurations."tacocat".activationPackage;
  };
}