migrator.ex

defmodule App.Repo.Migrator do
  @moduledoc false

  @doc false

  use GenServer

  def start_link() do
    GenServer.start_link(__MODULE__, %{}, name: __MODULE__)
  end

  ## this processes only purpose is to run migrations on init
  def init(app, repo) do
    migrations = Application.app_dir(app, "priv") <> "/db/migrations/"
    _ = Ecto.Migrator.run(repo, migrations, :up, [ { :all, true } ])
    { :stop, :normal, state }
  end
end