title: Using services for constans list in backend or declare constants in front application
body: <p>I want to know what is the best practice for application that use angular in FRONT and Rest in BACK.</p>
  
  <p>I have an enumuration in the backend application, so in my front application I need to use select input from a list of choices that contain the Enumuration values.</p>
  
  <p>What is the best practice to feed this list, do I need to use service in Backend app or just use Contants property that contain the Enumuration values?</p>