public static async Task Main(string[] args) { // outside of middleware in the Main method var host = CreateHostBuilder(args).Build(); using var scope = host.Services.CreateScope(); // creating a scope for the services var services = scope.ServiceProvider; try { var context = services.GetRequiredService <DataContext>(); var userManager = services.GetRequiredService <UserManager <AppUser> >(); var roleManager = services.GetRequiredService <RoleManager <AppRole> >(); await context.Database.MigrateAsync(); await Seed.SeedAdmins(userManager, roleManager); await Seed.AddGamesAndTypes(context); } catch (Exception ex) { var logger = services.GetRequiredService <ILogger <Program> >(); logger.LogError(ex, "An error occurred during migration."); } await host.RunAsync(); }