distillery split before

mix.exs

defmodule Systematize.Mixfile do
  use Mix.Project

  # ...
  
  defp deps do
    [
      {:phoenix, "~> 1.3.3"},
      {:phoenix_pubsub, "~> 1.0"},
      {:phoenix_html, "~> 2.10"},
      {:phoenix_live_reload, "~> 1.0", only: :dev},
      {:gettext, "~> 0.11"},
      {:cowboy, "~> 1.0"},
      {:distillery, "~> 1.5", runtime: false}
    end
  end
end