Program.cs

using BethanysPieShop.Models;
using Microsoft.EntityFrameworkCore;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllersWithViews();

builder.Services.AddScoped<ICategoryRepository, CategoryRepository>();
builder.Services.AddScoped<IPieRepository, PieRepository>();

builder.Services.AddScoped<IShoppingCart, ShoppingCart>(sp => ShoppingCart.GetCart(sp));
builder.Services.AddSession();
builder.Services.AddHttpContextAccessor();

builder.Services.AddDbContext<BethanysPieShopDbContext>(options =>
{
    options.UseSqlServer(
        builder.Configuration["ConnectionStrings:BeathanysPieShopDbContextConnection"]);
});


var app = builder.Build();

app.UseStaticFiles();
app.UseSession();

if (app.Environment.IsDevelopment())
{
    app.UseDeveloperExceptionPage();
}

app.MapDefaultControllerRoute(); //"{controller=Home}/{action=Index}/{id?}"

//app.MapControllerRoute(
//    name: "default",
//    pattern: "{controller=Home}/{action=Index}/{id?}");

DbInitializer.Seed(app);

app.Run();