# Pastebin 5eTzdMS6
let
  pkgs = import <nixpkgs> {};
  cpkgs = pkgs.pkgsCross.musl64;
in
pkgs.dockerTools.buildLayeredImage {
  name = "docker.nix";
  tag = "latest";
  contents = [ cpkgs.busybox ];
  config = {
    Cmd = [ "${cpkgs.busybox}/bin/sh" ];
  };
}