aspnetcore microservice - linqpad

microservice.linq

<Query Kind="Program">
  <NuGetReference>Microsoft.AspNetCore</NuGetReference>
  <NuGetReference>Microsoft.AspNetCore.Mvc.Core</NuGetReference>
  <NuGetReference>Microsoft.AspNetCore.Mvc.Formatters.Json</NuGetReference>
  <NuGetReference>System.ValueTuple</NuGetReference>
  <Namespace>Microsoft.AspNetCore</Namespace>
  <Namespace>Microsoft.AspNetCore.Builder</Namespace>
  <Namespace>Microsoft.AspNetCore.Hosting</Namespace>
  <Namespace>Microsoft.AspNetCore.Mvc</Namespace>
  <Namespace>Microsoft.Extensions.DependencyInjection</Namespace>
</Query>

#define NONEST

public class Microservice : ControllerBase
{
	[HttpGet("/")]
	public IActionResult Hello() =>
		new JsonResult(new { Message = "Hello World" });

	public void Configure(IApplicationBuilder applicationBuilder, IHostingEnvironment env) =>
		applicationBuilder
			.UseMvc();

	public void ConfigureServices(IServiceCollection services) =>
		services
			.AddMvcCore()
			.AddJsonFormatters();

	private static void Main(string[] args)
	{
		using (var host = WebHost
			.CreateDefaultBuilder(args)
			.UseStartup<Microservice>()
			.Build())
		{
			host.Start();
			Console.ReadLine();
		}
	}
}

I'm getting an error when restoring nuget packages