defmodule Counter.Application do # See https://hexdocs.pm/elixir/Application.html # for more information on OTP Applications @moduledoc false use Application @impl true def start(_type, _args) do children = [ # Starts a worker by calling: Counter.Worker.start_link(arg) Supervisor.child_spec({Counter.Worker, :c1}, id: :counter1), Supervisor.child_spec({Counter.Worker, :c2}, id: :counter2) ] # See https://hexdocs.pm/elixir/Supervisor.html # for other strategies and supported options opts = [strategy: :one_for_one, name: Counter.Supervisor] Supervisor.start_link(children, opts) end end