gistfile1.ex

defmodule Server do
  use GenServer.Behaviour

  def start_link() do
    :gen_server.start_link(__MODULE__, [], [])
  end

end


defmodule Supervisor do
  use Supervisor.Behaviour

  def start_link do
    :supervisor.start_link({:local, :my_sup}, __MODULE__, [])
  end

  def init(_) do
    supervise([], strategy: :one_for_one)
  end

  def start_child() do    
    :supervisor.start_child(:my_sup, worker(Server, [], []))
  end
end