public static async Task Main(string[] args) { var host = CreateHostBuilder(args).Build(); using var scope = host.Services.CreateScope(); var services = scope.ServiceProvider; try { var context = services.GetRequiredService <ApplicationDbContext>(); await context.Database.MigrateAsync(); var userManager = services.GetRequiredService <UserManager <Account> >(); var roleManager = services.GetRequiredService <RoleManager <AppRole> >(); await AuthorSeed.SeedAuthor(context); await BookSeed.SeedBooks(context); await UserSeed.SeedUsers(userManager, roleManager); } catch (Exception ex) { var logger = services.GetRequiredService <ILogger <Program> >(); logger.LogError(ex, "An error occurred during migration"); } await host.RunAsync(); }