public static void Main(string[] args) { //BuildWebHost(args).Run(); var host = BuildWebHost(args); using (var scope = host.Services.CreateScope()) { var services = scope.ServiceProvider; try { var context = services.GetRequiredService <ApplicationDbContext>(); var roleManager = services.GetRequiredService <RoleManager <IdentityRole> >(); ApplicationDbInitializer.InitializeIdentity(context, roleManager).Wait(); } catch (Exception ex) { var logger = services.GetRequiredService <ILogger <Program> >(); logger.LogError(ex, "Error occured while seeding database"); } } host.Run(); }