komutan/lib/komutan_web.ex

defmodule KomutanWeb do
  use Application
  require Logger

  def start(_type, _args) do
    port = Application.get_env(:komutan, :port)
    
    children = [
      
      Plug.Adapters.Cowboy.child_spec(:http, KomutanWeb.Router, [], [port: port])
    ]
    Logger.info("Started application")

    Supervisor.start_link(children, strategy: :one_for_one)
  end
end