이제 .NET 6에서는 최상위문을 이용해 다음처럼 Razor 페이지를 사용할 수 있습니다.
var builder = WebApplication.CreateBuilder(args);
// Add services to the container.
builder.Services.AddRazorPages();
var app = builder.Build();
// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
app.UseExceptionHandler("/Error");
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
app.UseAuthorization();
app.MapRazorPages();
app.Run();
https://www.mikesdotnetting.com/article/357/razor-pages-startup-in-net-6