{ pkgs ? import <nixpkgs> {} }:
let
  k8sImage = img: pkgs.dockerTools.buildImage {
    name = img.Name;
    tag = pkgs.kubernetes.version;

    config.Cmd = [ "${pkgs.kubernetes}/bin/hyperkube" ] ++ img.Cmd;
    config.ExposedPorts = img.ExposedPorts;
    config.Volumes = { "/var/lib/kubernetes" = {}; } // img.Volumes;
    config.WorkingDir = "/var/lib/kubernetes";
    contents = [ pkgs.kubernetes ] ++ img.ExtraPkgs;
  };
in {
   scheduler = k8sImage {
     Name = "scheduler";
     Cmd = ["kube-scheduler" "--config=/var/lib/kubernetes/configs/kube-scheduler.yaml"];
     ExposedPorts = { "10259/tcp" = {}; };
     Volumes = {};
     ExtraPkgs = [];
   };
}