diff --git a/DAL/DIExtensions.cs b/DAL/DIExtensions.cs
new file mode 100644
index 0000000..509be36
--- /dev/null
+++ b/DAL/DIExtensions.cs
@@ -0,0 +1,43 @@
+using DAL.Repositories;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DAL
+{
+    public static class DIExtensions
+    {
+        public static IServiceCollection AddStaffDBRepositories(this IServiceCollection services)
+        {
+            services.AddScoped<AdWebAppToWebAppRoleRepository>();
+            services.AddScoped<CostCentreRepository>();
+            services.AddScoped<DepartmentRepository>();
+            services.AddScoped<DepartmentToWebAppToEmployeeForWindreamRepository>();
+            services.AddScoped<DocumentArtRepository>();
+            services.AddScoped<DocumentArtToDepartmentRepository>();
+            services.AddScoped<EmployeeAttributeRepository>();
+            services.AddScoped<EmployeeRepository>();
+            services.AddScoped<EmployeeStatusRepository>();
+            services.AddScoped<EmployeeToAttributeRepository>();
+            services.AddScoped<EmployeeToDepartmentRepository>();
+            services.AddScoped<EmployeeToWebAppRepository>();
+            services.AddScoped<ProjectRepository>();
+            services.AddScoped<RangRepository>();
+            services.AddScoped<SubsidiaryRepository>();
+            services.AddScoped<WebAppAdditionalRoleRepository>();
+            services.AddScoped<WebAppRepository>();
+            services.AddScoped<WebAppRoleRepository>();
+            services.AddScoped<WebAppToDepartmentRepository>();
+            services.AddScoped<WebAppToWebAppAdditionalRoleRepository>();
+            services.AddScoped<WebAppToWebAppRoleRepository>();
+            services.AddScoped<WindreamColumnsToDepartmentRepository>();
+            services.AddScoped<WindreamIndexRepository>();
+            services.AddScoped<WindreamIndexToWindreamSearchToDepartmentRepository>();
+            services.AddScoped<WindreamInputFolderRepository>();
+            services.AddScoped<WindreamSearchItemRepository>();
+            services.AddScoped<WindreamSearchItemToWindreamSearchToDepartmentRepository>();
+            services.AddScoped<WindreamSearchRepository>();
+            services.AddScoped<WindreamSearchToDepartmentRepository>();
+
+            return services;
+        }
+    }
+}
diff --git a/StaffDBServer/Startup.cs b/StaffDBServer/Startup.cs
index 1639b76..9025d10 100644
--- a/StaffDBServer/Startup.cs
+++ b/StaffDBServer/Startup.cs
@@ -22,15 +22,18 @@ namespace StaffDBServer
             services.ConfigureWebApiExtensionsAtFirst(); //at first
 
             services.ConfigureRepositoryWrapper(); //add repos
-
+                
             services.AddDbContext<WebApiContext>(options =>
             {
                 const int dbTimeoutInMin = 5;
+                var cnnStr = WebApiConfig.ConnectionString(EN_ConnectionType.SQLServer);
                 options
-                .UseSqlServer(WebApiConfig.ConnectionString(EN_ConnectionType.SQLServer),
+                .UseSqlServer(cnnStr,
                     opts => opts.CommandTimeout((int)TimeSpan.FromMinutes(dbTimeoutInMin).TotalSeconds));
             });
 
+            services.AddStaffDBRepositories();
+
             services.ConfigureWebApiExtensionsEnd(); //should come last
         }