public static void Main(string[] args) { var host = CreateWebHostBuilder(args).Build(); using (var scope = host.Services.CreateScope()) { var services = scope.ServiceProvider; try { var serviceProvider = services.GetRequiredService <IServiceProvider>(); var configuration = services.GetRequiredService <IConfiguration>(); RolesManager.CreateRoles(serviceProvider).Wait(); UsersManager.CreateSuperUser(serviceProvider, configuration).Wait(); var context = services.GetRequiredService <ApplicationDbContext>(); DbInitializer.Initialize(context); } catch (Exception exception) { var logger = services.GetRequiredService <ILogger <Program> >(); logger.LogError(exception, "An error occurred while creating roles"); } } host.Run(); }