defmodule DynamicEnv do use Application def start(_type, _args) do import Supervisor.Spec children = [ # Start your own worker by calling: DeploymentTool.Worker.start_link(arg1, arg2, arg3) worker(DynamicEnv.KeyStore, []) ] # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html # for other strategies and supported options opts = [strategy: :one_for_one, name: DynamicEnv.Supervisor] Supervisor.start_link(children, opts) end end