search_worker1.exs

defmodule SearchWorker do
  use GenServer

  @idle_timeout_ms 10 * 60 * 1000

  @impl GenServer
  def init(state) do
    # send ourselves a message after 10 seconds and cleanup the proc tree when we get this
    Process.send_after(self(), :idle_timeout, @idle_timeout_ms)
    {:ok, state}
  end

  @impl GenServer
  def handle_info(:idle_timeout, state) do
    # do whatever you want to do to cleanup your process tree
    shutdown_proc_tree(state)
    {:noreply, state}
  end
end