How normal is it to use a Servlet for Angular Authorization?

Question

Java

public class LoginServlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request, response);
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.login(....);
    }

}

Something like this

Answer 1

If something is serious, then so-so. Better Spring Security + JWT