alvesl

defmodule MyApp.Manager do
  use GenServer
  use Timex

  import Ecto.Query, warn: false

  @cache_pending_groups_expiry 60 * 5

  def start_link() do
    Singleton.start_child(__MODULE__, %{supervised_workers: 0, groups: nil}, {MyApp.Manager, 1})

alvesl

defmodule MyApp.Supervisor do
  use Supervisor

  def start_link do
    Supervisor.start_link(__MODULE__, :ok, name: __MODULE__)
  end

  def init(:ok) do
    children = [
      worker(Registry, [[name: Registry.MyApp, keys: :unique]]),