oAuth2 in Razor .Net Core 8.0

namespace WebApplication2
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);

            // Add services to the container.
            builder.Services.AddRazorPages();

            builder.Services.AddAuthentication()
           .AddOAuth("Discord", o =>
           {
               o.AuthorizationEndpoint = "https://discord.com/oauth2/authorize";
               o.TokenEndpoint = "https://discord.com/api/oauth2/token";
               o.UserInformationEndpoint = "https://discord.com/api/v10/users/@me";

               o.CallbackPath = "/signin-discord";

               o.ClientId = "<redacted>";
               o.ClientSecret = "<redacted>";

               o.Scope.Add("guilds");
           });

            var app = builder.Build();

            // Configure the HTTP request pipeline.
            if (!app.Environment.IsDevelopment())
            {
                app.UseExceptionHandler("/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.UseAuthentication();
            app.UseAuthorization();

            app.MapRazorPages();

            app.Run();
        }
    }
}