Program.cs

using InvestixDev.Data;
using InvestixDev.Models;
using InvestixDev.Repository;
using InvestixDev.Repository.DB;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;

namespace InvestixDev
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);

            // Add services to the container.
            builder.Services.AddControllersWithViews();
            builder.Services.AddDbContext<AppDbContext>(options =>
                options.UseSqlServer(builder.Configuration.GetSection("ConnectionStrings").GetSection("DefaultConnection").Value));
            builder.Services.AddScoped<DB_Update>();
            builder.Services.AddScoped<DB_Stocks>();
            builder.Services.AddScoped<DB_User>();

            builder.Services.AddIdentity<Users, IdentityRole>(options =>
            {
                options.Password.RequireNonAlphanumeric = false;
                options.Password.RequiredLength = 8;
                options.Password.RequireUppercase = false;
                options.Password.RequireLowercase = false;
                options.User.RequireUniqueEmail = false;
                options.SignIn.RequireConfirmedPhoneNumber = true;
                options.SignIn.RequireConfirmedAccount = false;
            }).AddEntityFrameworkStores<AppDbContext>().AddDefaultTokenProviders();

            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.UseAuthorization();

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

            app.Run();
        }
    }
}