title: Spring Boot read value from application.properties
body: <p>In my application.properties I have defined port and server context.</p>
  
  <pre><code>server.port=8080
  server.context-path=/SekcjaN
  </code></pre>
  
  <p>How to read value context to insert it into RequestMapping value in controller.</p>
  
  <pre><code>@RestController
  @RequestMapping(value = server.context-path+"/auth")
  public class AuthController extends BaseController {
  }
  </code></pre>