Dotnet new webapi project Dependency Injection

Program.cs

using webapi;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

// builder.Services.AddSingleton<ISampleInterface, SampleClass>();
// builder.Services.AddTransient<ISampleInterface, SampleClass>();
builder.Services.AddScoped<ISampleInterface, SampleClass>();

var app = builder.Build();

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

app.UseHttpsRedirection();

var summaries = new[]
{
    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
};

app.MapGet("/weatherforecast", (ISampleInterface isampleInterfae) =>
{
    var forecast =  Enumerable.Range(1, 5).Select(index =>
        new WeatherForecast
        (
            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
            Random.Shared.Next(-20, 55),
            summaries[Random.Shared.Next(summaries.Length)] + isampleInterfae.Name
        ))
        .ToArray();
    return forecast;
})
.WithName("GetWeatherForecast")
.WithOpenApi();

app.Run();

record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
{
    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
}

    public interface ISampleInterface
    {
        public string Name { get; set; }

        public int Id { get; set; }
    }
    
        public class SampleClass : ISampleInterface
    {
        public string Name { get; set; }

        // public int Id { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
        public int Id { get; set; }

        // public SampleClass(string name) {
        public SampleClass() {
            Name = DateTime.Now.ToString();

        }
    }