Program.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Triplann.Data;

namespace Triplann {
    public class Program {
        public static void Main (string[] args) {
            var host = BuildWebHost (args);
            using (var scope = host.Services.CreateScope ()) {
                var services = scope.ServiceProvider;
                var context = services.GetRequiredService<ApplicationDbContext> ();
                try {
                    Data.DbInitializer.Initialize (services);
                } catch (Exception ex) {
                    var logger = services.GetRequiredService<ILogger<Program>> ();
                    logger.LogError (ex, "An error occurred seeding the DB.");
                }
            }
            host.Run ();
        }

        public static IWebHost BuildWebHost (string[] args) =>
            WebHost.CreateDefaultBuilder (args)
            .UseStartup<Startup> ()
            .Build ();

    }
}