Vagrantfile for a dockerhost

Vagrantfile

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"
 
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box  = "hashicorp/precise64"
  config.vm.synced_folder "./", "/vagrant", type: "rsync"
  
  # Access docker container via private_network interface
  # Port mapping to this IP can be defined in the Vagrantfile of the container
  config.vm.network "private_network", ip: "192.168.3.3", netmask: "255.255.255.0"
  config.vm.provider :virtualbox do |vb|
    vb.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"]
  end
 
  if Dir.glob("#{File.dirname(__FILE__)}/.vagrant/machines/default/*/id").empty?
    # Install Docker
    pkg_cmd = "wget -q -O - https://get.docker.io/gpg | apt-key add -;" \
      "echo deb http://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list;" \
      "apt-get update -qq; apt-get install -q -y --force-yes lxc-docker; "
    # Add vagrant user to the docker group
    pkg_cmd << "usermod -a -G docker vagrant; "
    config.vm.provision :shell, :inline => pkg_cmd
  end
end