{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs =
    { self, nixpkgs }@inputs:
    let
      lib = nixpkgs.lib;
      mod = import ./mod { inherit lib; };
      specialArgs = { inherit inputs mod; };
    in
    {
      nixosConfigurations = {
        "solo" = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          inherit specialArgs;
          modules = [ ./host/solo ];
        };

        "c2" = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          inherit specialArgs;
          modules = [ ./host/c2 ];
        };
      };

      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;
    };
}