Kinesis Pool

application.ex

defmodule KinesisWriter do
  use Application

  def start(_type, _args) do
    children = [
      :poolboy.child_spec(
        :kinesis_writer_pool,
        [
          name: {:local, :kinesis_writer_pool},
          worker_module: KinesisWriter.Worker,
          size: 3,
          max_overflow: 5,
          strategy: :fifo
        ],
        []
      ),
      ...other children...
    ]

    opts = [strategy: :one_for_one, name: KinesisWriter.Supervisor]
    Supervisor.start_link(children, opts)
  end
end