let
  pkgs_17_03 = (import (fetchTarball https://github.com/NixOS/nixpkgs-channels/archive/nixos-17.03.tar.gz) {
    inherit (config.nixpkgs) config system;
  }).pkgs;
in
{
  nixpkgs.config.virtualbox.enableExtensionPack = true;

  virtualisation = {
    docker = {
      # package = pkgs.docker_17_06;
      package = pkgs_17_03.docker_17_03;
      enable = true;
      enableOnBoot = true;
      liveRestore = false;
      logDriver = "json-file";
      listenOptions = [ "/var/run/docker.sock" "0.0.0.0:2375" ];
      extraOptions = ''
        --insecure-registry db-docker-fxcore.artifactory.danskenet.net --log-opt max-size=1M --log-opt max-file=1
      ''; # --iptables=false --ip-masq=false --bip $FLANNEL_SUBNET
    };
    virtualbox = {
      host.enable = false;
      guest.enable = true;
    };
  };