{ pkgs, app-docker }:
pkgs.writeShellApplication {
  name = "build-script";
  text = ''
    image=$1
    tags=("''${@:2}")
    for tag in "''${tags[@]}"; do
      ${pkgs.skopeo}/bin/skopeo --tmpdir . --insecure-policy copy docker-archive://${app-docker} "docker://$image:$tag"
    done
  '';
}