Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Fri2Ends.Identity.Context;
using Fri2Ends.Identity.DomainClass;
using Fri2Ends.Identity.Services.Repository;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Fri2Ends.Identity.Services.Srevices;

namespace Fri2Ends.Identity
{
    public class Startup
    {
        public IConfiguration Configuration { get; set; }

        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }
        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews();

            services.AddDbContext<IdentityContext>(options =>
            {
                options.UseSqlServer(Configuration.GetConnectionString("IdentityConnection"));
            });
            

            #region --ApiCors--

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

            #endregion

            #region Dependensies

            services.AddTransient<UserServices>();
            services.AddScoped<LoginServices>();
            services.AddScoped<SessionServices>();
            services.AddScoped<RoleServices>();
            services.AddScoped<SelectedRoleServices>();
            services.AddScoped<AccountServices>();

            #endregion

        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseRouting();
            app.UseStaticFiles();
            app.UseCors();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapGet("/", async context =>
                {
                    await context.Response.WriteAsync("Hello World!");
                });
            });
        }
    }
}