KeymailSpecials2/Program.cs

using KeymailSpecials2.Components;
using KeymailSpecials2.Components.Services;

internal class Program
{
  private static void Main(string[] args)
  {
    var builder = WebApplication.CreateBuilder(args);

    // Add services to the container.
    builder.Services.AddRazorComponents()
        .AddInteractiveServerComponents();
    
    builder.Services.AddSingleton<GlobalService>(); // Global variables shared by all users

    var app = builder.Build();

    // Configure the HTTP request pipeline.
    if (!app.Environment.IsDevelopment())
    {
      app.UseExceptionHandler("/Error", createScopeForErrors: true);
      // 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.UseAntiforgery();

    app.MapRazorComponents<App>()
        .AddInteractiveServerRenderMode();

    app.Run();
  }
}