public IServiceProvider ConfigureServices(IServiceCollection services)
        {
           // services.AddScoped<IUnitOfWork, ApplicationDbContext>();
            //services.AddScoped<IUsersService, UsersService>();
            //services.AddScoped<IRolesService, RolesService>();
            //services.AddScoped<ISecurityService, SecurityService>();

            //services.AddScoped<ICookieValidatorService, CookieValidatorService>();
            //services.AddScoped<IDbInitializerService, DbInitializerService>();
            var container = new Container();
            container.Configure(config =>
 {
                config.AddRegistry(new MyStructuremapRegistry());
                config.Populate(services);

            });

           services.AddDbContext<ApplicationDbContext>(options =>
            {
              options.UseSqlServer(
              Configuration.GetConnectionString("DefaultConnection"),
                serverDbContextOptionsBuilder =>  {

                        var minutes = (int)TimeSpan.FromMinutes(3).TotalSeconds;
                        serverDbContextOptionsBuilder.CommandTimeout(minutes);
                        serverDbContextOptionsBuilder.EnableRetryOnFailure();

                    });
            });

            // Only needed for custom roles.
            services.AddAuthorization(options =>
           {
                options.AddPolicy(CustomRoles.Admin, policy => policy.RequireRole(CustomRoles.Admin));
                options.AddPolicy(CustomRoles.User, policy => policy.RequireRole(CustomRoles.User));
            });
            // Needed for cookie auth.
           services
                .AddAuthentication(options =>
                {
                   options.DefaultChallengeScheme = CookieAuthenticationDefaults.AuthenticationScheme;
                    options.DefaultSignInScheme = CookieAuthenticationDefaults.AuthenticationScheme;
                   options.DefaultAuthenticateScheme = CookieAuthenticationDefaults.AuthenticationScheme;
                })
                .AddCookie(options =>
                {
                    options.SlidingExpiration = false;
                    options.LoginPath = "/api/account/login";
                    options.LogoutPath = "/api/account/logout";
                    //options.AccessDeniedPath = new PathString("/Home/Forbidden/");
                    options.Cookie.Name = ".my.app1.cookie";
                    options.Cookie.HttpOnly = true;
                    options.Cookie.SecurePolicy = CookieSecurePolicy.SameAsRequest;
                    options.Cookie.SameSite = SameSiteMode.Lax;
                    options.Events = new CookieAuthenticationEvents
                    {
                        OnValidatePrincipal = context =>
                        {
                        var cookieValidatorService = context.HttpContext.RequestServices.GetRequiredService<ICookieValidatorService>();

                        return cookieValidatorService.ValidateAsync(context);
                        }

                    };

                });
            services.AddCors(options =>
            {
               options.AddPolicy("CorsPolicy",
                    builder => builder
                        .AllowAnyOrigin()
                        .AllowAnyMethod()
                        .AllowAnyHeader()
                        .AllowCredentials());

            });
            services.AddMvc();
            return container.GetInstance<IServiceProvider>();
        }