redirects_in_rails.rb

def query_params_to_query(request)
  query_params = request.params.except(:path, :format)
  query_params.any? ? "?#{query_params.to_query}" : ""
end

#redirect apex http://viewthespace.com http://vts.com domain to www.vts.com
constraints(host: %r{^vts.com}) do
  redirect_action = ->(params, _request) do
    "https://www.vts.com/#{params[:path]}#{query_params_to_query(_request)}"
  end
  root to: redirect(redirect_action)
  match '/*path', to: redirect(redirect_action)
end