.NET Core Console Accessing User Secrets

consolewithusersecrets.cs

using Microsoft.Extensions.Configuration;
using System;

namespace TestSecrets
{
  // NuGet
  // 
  // Microsoft.Extensions.Configuration
  // Microsoft.Extensions.Configuration.UserSecrets
  
  // Add key/values to usersecrets.json


  class Program
	{
    private static IConfigurationRoot Configuration { get; set; }

    static void Main(string[] args)
		{
      BootstrapConfiguration();
      Console.WriteLine("Hello World!");
      
      var test = Configuration["TestSecret"];
      Console.WriteLine($"secret is {test}");
    }

    /// <summary>
    /// This is a helper to set up access to the UserSecrets file
    /// </summary>
    private static void BootstrapConfiguration()
    {
      string env = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");

      if (string.IsNullOrWhiteSpace(env))
      {
        env = "Development";
      }

      var builder = new ConfigurationBuilder();

      if (env == "Development")
      {
        builder.AddUserSecrets<Program>();
      }

      Configuration = builder.Build();
    }

  }
}