isn/Controllers/HomeController.cs

using System.Threading.Tasks;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using nuget_host.Entities;
using nuget_host.Models;

namespace nuget_host.Controllers
{
    public class HomeController : Controller
    {
        private readonly ILogger _logger;
        readonly IHostingEnvironment _environment;
        public SmtpSettings _smtpSettings { get; } //set only via Secret Manager

        public HomeController(
            IOptions<SmtpSettings> smtpSettings,
            IHostingEnvironment environment,
            ILogger<HomeController> logger)
        {
            _environment = environment;
            _logger = logger;
            _smtpSettings = smtpSettings.Value;
        }
        
        public IActionResult Index()
        {
            return View();
        }

        public IActionResult About()
        {
            ViewData["Message"] = "Your application description page.";

            return View();
        }

        public IActionResult Contact()
        {
            ViewData["Message"] = "Your contact page.";

            return View();
        }

        public IActionResult Privacy()
        {
            ViewData["Message"] = "Your Privacy page.";

            return Ok(ViewData);
        }

    }
}