Vagrantfile for a zotonic development environment on a standard ubuntu 12.04 box.

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant::Config.run do |config|
  # Every Vagrant virtual environment requires a box to build off of.
  config.vm.box = "precise32"
  config.vm.box_url = "http://files.vagrantup.com/precise32.box"

  # config.vm.boot_mode = :gui
  config.vm.host_name = "zotonic-dev"

  # Setup locales for UTF8 support
  config.vm.provision :shell, :inline => "locale-gen en_US.UTF-8"

  # Simple provisioning for a working zotonic setup
  config.vm.provision :shell, :inline => "apt-get -y update"  
  config.vm.provision :shell, :inline => "apt-get -y install ack-grep build-essential git vim"
  config.vm.provision :shell, :inline => "apt-get -y install imagemagick postgresql-9.1 postgresql-client-9.1"
  config.vm.provision :shell, :inline => "apt-get -y install erlang-base erlang-tools erlang-parsetools erlang-inets erlang-ssl erlang-eunit erlang-dev erlang-xmerl erlang-src"

  # Forwarding port 8000, 8443, 2525 
  config.vm.forward_port 8000, 8000
  config.vm.forward_port 8443, 8443
  config.vm.forward_port 2525, 2525

  # The directory containing the sites and modules you are working on.
  config.vm.share_folder "project", "/project", "~/Work/the-project"

  config.vm.customize ["modifyvm", :id, 
    "--memory", 1024,
    "--cpus", 2]

end

Oh, and if you create a new database you should do this:

CREATE USER zotonic WITH PASSWORD 'zotonic';
CREATE DATABASE zotonic WITH OWNER zotonic ENCODING = 'UTF-8'
LC_CTYPE = 'en_US.utf8' LC_COLLATE = 'en_US.utf8'
TEMPLATE template0;
GRANT ALL ON DATABASE zotonic TO zotonic;