Notes/Program.cs

using BinaryDad.Notes;
using BinaryDad.Notes.Services;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();
builder.Services.AddSignalR();
builder.Services.AddSingleton<INoteService, FileNoteService>();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseHttpsRedirection();
}

app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

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

app.MapHub<NoteHub>("/noteHub");

app.Run();