learn_phoenix.ex

defmodule LearnPhoenix do
  use Application

  def start(_type, _args) do
    ...

    # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
    # for other strategies and supported options
    opts = [strategy: :one_for_one, name: LearnPhoenix.Supervisor]
    start_result = Supervisor.start_link(children, opts)

    # Run migrations on start
    Ecto.Migrator.run(LearnPhoenix.Repo, "priv/repo/migrations", :up, all: true)

    start_result
  end
  
 end