{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-22.11";
    utils.url = "github:numtide/flake-utils";
    backplane-server.url = "";
  };

  outputs = { self, nixpkgs, utils, backplane-server, ... }:
    utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
        backplane-server-pkgs = backplane-server.packages."${system}";
      in {
        packages = rec {
          default = backplane-dns;
          backplane-dns = import ./backplane-dns.nix {
            inherit pkgs;
            inherit (backplane-server.packages."${system}") backplane-server;
          };
        };
      }) // {
        nixosModules = rec {
          default = backplane-dns;
          backplane-dns =
            import ./module.nix { local-packages = self.packages; };
        };
      };
}