public static void ConfigureIdentityRoles(this IApplicationBuilder app, IServiceProvider serviceProvider)
+       {
+           var roleManager = serviceProvider.GetRequiredService<RoleManager<AppRole>>();
+           string[] roleNames = { "Admin", "Owner", "Customer", "Agent" }; // TODO: switch TO enum OR const
+
+           foreach (var roleName IN roleNames)
+           {
+               var roleExist = roleManager.RoleExistsAsync(roleName).GetAwaiter().GetResult();
+               IF (!roleExist)
+               {
+                   roleManager.CreateAsync(NEW AppRole(roleName)).GetAwaiter().GetResult();
+               }
+           }
+
+       }