{
  inputs.utils.url = "github:numtide/flake-utils";

  description = "cryptic-net provides the foundation for an autonomous community cloud infrastructure";

  outputs = {
    self, utils,
  }: let

    supportedSystems = [
      "x86_64-linux"
      "aarch64-linux"
      "armv7l-linux" # rpi, I think?
      "i686-linux"
    ];

    mkPkg = (buildSystem: hostSystem: let

      defaultAttrs = (import ./default.nix) {
        inherit hostSystem buildSystem;
        revision = if self ? rev then self.rev else "dirty";
        releaseName = "flake";
      };

    in
      defaultAttrs.appImage
    );

    #pkgsForBuildSystem = (buildSystem: builtins.foldl'
    #  (sysPkgs: hostSystem:
    #    sysPkgs // { "compiled-for-${hostSystem}" = mkPkg buildSystem hostSystem; })
    #  { default = mkPkg buildSystem buildSystem; }
    #  supportedSystems
    #);

    pkgsForBuildSystem = (buildSystem:
      { default = mkPkg buildSystem buildSystem; });

  in {

    packages = (builtins.foldl'
      (pkgs: buildSystem:
        pkgs // { "${buildSystem}" = pkgsForBuildSystem buildSystem; })
      {}
      supportedSystems
    );

  };
}