Log SQL commands in migration

release.ex

defmodule MyApp.Release do
  # Log SQL commands generated by migrations.
  # More info here https://hexdocs.pm/ecto_sql/Ecto.Migrator.html#up/4-options
  @migrator_default_opts [log_migrations_sql: :info]
  
  ...
  
  def migrate(opts \\ [all: true]) do
    load_app()
    opts = @migrator_default_opts ++ opts

    for repo <- repos() do
      {:ok, _fun_return, _apps} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, opts))
    end
  end
end