Startup.cs

using System;
using System.Collections.Generic;
using DryIoc;
using DryIoc.AspNetCore.DependencyInjection;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Serilog;

namespace EmployeeDirectory.Api
{
    public class Startup
    {
        public Startup(IHostingEnvironment env)
        {
            Log.Logger = new LoggerConfiguration()
                .MinimumLevel.Debug()
                .Enrich.FromLogContext()
                .WriteTo.LiterateConsole()
                .WriteTo.RollingFile(
                    Environment.ExpandEnvironmentVariables(@"%southernroot%\logs\EmployeeDirectory.log"),
                    outputTemplate: "{Timestamp:u} [{Level}] ({CorrelationId}) {Message}{NewLine}{Exception}")
                .CreateLogger();

            var builder = new ConfigurationBuilder()
                .SetBasePath(env.ContentRootPath)
                .AddJsonFile("appsettings.json", true, true)
                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", true)
                .AddEnvironmentVariables();
            Configuration = builder.Build();
        }

        public IConfigurationRoot Configuration { get; }


        // This method gets called by the runtime. Use this method to add services to the container.
        public IServiceProvider ConfigureServices(IServiceCollection services)
        {
            // Add framework services.
            services.AddMvc();

            var container = new Container().WithDependencyInjectionAdapter(services);
            //container.Register<IRepository, Repository>(Reuse.Singleton);
            var serviceProvider = container.Resolve<IServiceProvider>();
            return serviceProvider;
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();
            loggerFactory.AddSerilog();
            app.UseCorrelationId();
            app.UseMvc();
        }

        internal class ServiceCollection : List<ServiceDescriptor>, IServiceCollection
        {
        }
    }
}