ASP.NET Core 2.2 DI - Troubles

****************************** Program.cs

using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;

namespace NCHInternalWebSite
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //var logRepository = LogManager.GetRepository(Assembly.GetEntryAssembly());
            //XmlConfigurator.Configure(logRepository, new FileInfo("log4net.config"));

            CreateWebHostBuilder(args).Build().Run();
        }

        // -------------- Exception thrown here
        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>();
    }
}

****************************** Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace NCHInternalWebSite
{
    public class Startup
    {
        private readonly ILogger _logger;

        public Startup(IConfiguration configuration, ILogger<Startup> logger)
        {
            Configuration = configuration;
            _logger = logger;

            _logger.LogInformation("Starting web application . . .");
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.Configure<CookiePolicyOptions>(options =>
            {
                // This lambda determines whether user consent for non-essential cookies is needed for a given request.
                options.CheckConsentNeeded = context => true;
                options.MinimumSameSitePolicy = SameSiteMode.None;
            });

            services.AddLogging(logging =>
            {
                logging.AddConsole();
                logging.AddDebug();
            });

            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);

            _logger.LogInformation("Configured Services . . .");
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggingBuilder loggingBuilder)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }

            app.UseHttpsRedirection();
            app.UseStaticFiles();
            app.UseCookiePolicy();

            // TODO: Configure logging via dependency injection?
            //loggingBuilder.AddLog4Net();
            loggingBuilder.AddDebug();
            loggingBuilder.AddConsole();


            // TODO: Is CORS worth it? Cross site forgery anti token will tank .net core applications without a policy in place first
            // https://weblog.west-wind.com/posts/2016/sep/26/aspnet-core-and-cors-gotchas

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Login}/{action=Index}/");
            });

            _logger.LogInformation("Configuring . . .");
        }
    }
}