{
  description = "srx personal robotnix configuration";

  nixConfig = {
    extra-substituters = [ "https://robotnix.cachix.org" ];
    extra-trusted-public-keys = [ "robotnix.cachix.org-1:+y88eX6KTvkJyernp1knbpttlaLTboVp4vq/b24BIv0=" ];
  };

  inputs.robotnix.url = "github:nix-community/robotnix";

  outputs = { self, robotnix, ... }:
  let
    ccache.enable = true;
    microg.enable = true;
  in
  {
    robotnixConfigurations = {
      localTesting = robotnix.lib.robotnixSystem ({ config, pkgs, ... }: {
        device = "x86_64";
        flavor = "vanilla";
        inherit ccache microg;
      });

      pixel7a = robotnix.lib.robotnixSystem ({ config, pkgs, ... }: {
        device = "lynx";
        flavor = "grapheneos";
        inherit ccache microg;
      });

      pixel4a = robotnix.lib.robotnixSystem ({ config, pkgs, ... }: {
        device = "sunfish";
        flavor = "vanilla";
        inherit ccache microg;
      });
    };

    defaultPackage.x86_64-linux = self.robotnixConfigurations.localTesting.img;
  };
}