public void ConfigureServices(IServiceCollection services)
{
    // Register the serilog UI services
    services.AddSerilogUi(options => 
      // each provider exposes extension methods to configure.
      // example with MSSqlServerProvider:
      options.UseSqlServer("ConnectionString", "LogTableName"));
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    (...)

    app.UseRouting();
    app.UseAuthentication();
    app.UseAuthorization();
        
    // Enable middleware to serve log-ui (HTML, JS, CSS, etc.).
    app.UseSerilogUi();

    (...)

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