TEAMModelOS/TEAMModelOS.Extension/Contest.Server/Program.cs

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

var app = builder.Build();

app.UseDefaultFiles();
app.UseStaticFiles();

// Configure the HTTP request pipeline.
app.UseHttpsRedirection();
app.MapFallbackToFile("/index.html");
app.Run();