medium-consumer-rabbitmq-messages-using-elixir-connection-pool.ex

defmodule Rabbit.ConnectionPool do
  use Supervisor
  
  def start_link do
    Supervisor.start_link(__MODULE__, [])
  end
  
  def init(_) do
    pool_options = [
      {:name, {:local, :rabbit_connection_pool}},
      {:worker_module, Rabbit.ConnectionWorker},
      {:size, 1},
      {:max_overflow, 5}
    ]
    children = [
      :poolboy.child_spec(:rabbit_connection_pool, pool_options, %{
        host: "localhost",
        port: 5672,
      })
    ]
    supervise children, strategy: :one_for_one
  end
end