Program.cs

using Shop.Data;
using Shop.Interfaces;
using Shop.Mocks;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Authorization;
using Microsoft.SqlServer;
using Shop.Repository;
using Shop.Migrations;
using System.Web.Mvc;
using Microsoft.AspNetCore.Identity;

var builder = WebApplication.CreateBuilder(args);
builder.Configuration.AddJsonFile("appsettings.json",
        optional: false,
        reloadOnChange: true);

string connection = builder.Configuration["DefaultConnection"];

builder.Services.AddDbContext<AppDBContent>(options => options.UseSqlServer(connection));
// Add services to the container.
builder.Services.AddControllersWithViews();
builder.Services.AddTransient<IAllCars, CarRepository>();
builder.Services.AddTransient<ICarsCategory, CategoryRepository>();
builder.Services.AddTransient<IAllOrders, OrdersRepository>();
builder.Services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
builder.Services.AddScoped(sp => Shop.Models.ShopCart.GetCart(sp));
builder.Services.AddMemoryCache();
builder.Services.AddSession();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();
app.UseSession();
app.UseAuthorization();

app.UseEndpoints(endpoints =>
{
    endpoints.MapControllerRoute(
        name: "default",
        pattern: "{controller=Home}/{action=Index}/{id?}",
        defaults: new { controller = "Home", action = "Index"});
    endpoints.MapControllerRoute(
        name: "categoryFilter",
        pattern: "Car/{action}/{category?}",
        defaults: new { Controller = "Car", action = "List" });
});

using (var scope = app.Services.CreateScope())
{
    AppDBContent content = scope.ServiceProvider.GetRequiredService<AppDBContent>();
    DBObjects.Initial(content);
}
app.Run();