DutchTreat/Program.cs

using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.IO;
using DutchTreat.Data;
using System.Linq;

namespace DutchTreat
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //CreateHostBuilder(args).Build().Run();
            var host = BuildWebHost(args);
            if (args.Length > 0)
            {
                bool seed = args.Any(arg => arg == "/seed");
                if (seed)
                {
                    RunSeeding(host);
                }
            }
            else
            {
                host.Run();
            }
        }

        private static void RunSeeding(IWebHost host)
        {
            var scopeFactory = host.Services.GetService<IServiceScopeFactory>();
            using (var scope = scopeFactory.CreateScope())
            {
                var seeder = scope.ServiceProvider.GetService<DutchSeeder>();
                seeder.SeedAsync().Wait();
            }
        }

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

        private static void SetupConfiguration(WebHostBuilderContext ctx, IConfigurationBuilder builder)
        {
            builder.Sources.Clear();
            builder.AddJsonFile("config.json", false, true)
                   .AddEnvironmentVariables();
            //builder.SetBasePath(Directory.GetCurrentDirectory())
            //    .AddJsonFile("config.json")
            //    .AddEnvironmentVariables();
        }
    }
}