public static void Seed(this HostDbContext context)
        {
            // migration'ları veritabanına uygula
            context.Database.Migrate();

            // Look for any tenants record.
            if (context.AppTenants.Any())
            {
                return;   // DB has been seeded
            }
            // Perform seed operations
            AddAppTenants(context);
        }
        public static void AddAppTenants(HostDbContext context)
        {
            var appTenant = new AppTenant();

            appTenant.Name             = "birinsan";
            appTenant.Title            = "Bir İnsan";
            appTenant.Hostname         = "localhost:60002";
            appTenant.Theme            = "edugate";
            appTenant.ConnectionString = $"Server=.;Database={appTenant.Name};Trusted_Connection=True;MultipleActiveResultSets=true";
            context.AppTenants.Add(appTenant);

            var appTenant2 = new AppTenant();

            appTenant2.Name             = "bilgikoleji";
            appTenant2.Title            = "Bilgi Koleji";
            appTenant2.Hostname         = "localhost:60001";
            appTenant2.Theme            = "edugate";
            appTenant2.ConnectionString = $"Server=.;Database={appTenant2.Name};Trusted_Connection=True;MultipleActiveResultSets=true";
            context.AppTenants.Add(appTenant2);
            context.SaveChanges();
        }