Program.cs

using Genometric.TVQ.WebService.BuildingBlocks.WebHost;
using Genometric.TVQ.WebService.Infrastructure;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Serilog;
using System;
using System.IO;

namespace Genometric.TVQ.WebService
{
    public sealed class Program
    {
        public const string AppName = "TVQ";
        public const string APIPrefix = "api/v1/";
        public static readonly string Namespace = typeof(Program).Namespace;

        public static void Main(string[] args)
        {
            var configuration = GetConfiguration();
            Log.Logger = CreateSerilogLogger(configuration);

            try
            {
                var host = BuildWebHost(configuration, args);
                host.MigrateDbContext<TVQContext>((context, services) =>
                {
                    var env = services.GetService<IWebHostEnvironment>();
                    var settings = services.GetService<IOptions<Settings>>();
                    var logger = services.GetService<ILogger<TVQContextSeed>>();

                    TVQContextSeed.SeedAsync(context, env, settings, logger).Wait();
                });

                Log.Information("Starting web host ({ApplicationContext})...", AppName);
                host.Run();
            }
#pragma warning disable CA1031 // Do not catch general exception types
            catch (Exception ex)
            {
                Log.Fatal(ex, "Program terminated unexpectedly ({ApplicationContext})!", AppName);
            }
#pragma warning restore CA1031 // Do not catch general exception types
            finally
            {
                Log.CloseAndFlush();
            }
        }

        private static IWebHost BuildWebHost(IConfiguration configuration, string[] args) =>
            WebHost.CreateDefaultBuilder(args)
            .CaptureStartupErrors(false)
            .UseStartup<Startup>()
            .UseContentRoot(Directory.GetCurrentDirectory())
            .UseConfiguration(configuration)
            .Build();

        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>();

        private static IConfiguration GetConfiguration()
        {
            var builder = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
                .AddEnvironmentVariables();

            return builder.Build();
        }

        private static Serilog.ILogger CreateSerilogLogger(IConfiguration configuration)
        {
            //var seqServerUrl = configuration["Serilog:SeqServerUrl"];
            //var logstashUrl = configuration["Serilog:LogstashgUrl"];
            return new LoggerConfiguration()
                .MinimumLevel.Verbose()
                .Enrich.WithProperty("ApplicationContext", AppName)
                .Enrich.FromLogContext()
                //.WriteTo.Console()
                //.WriteTo.Seq(string.IsNullOrWhiteSpace(seqServerUrl) ? "http://seq" : seqServerUrl)
                //.WriteTo.Http(string.IsNullOrWhiteSpace(logstashUrl) ? "http://logstash:8080" : logstashUrl)
                //.ReadFrom.Configuration(configuration)
                .CreateLogger();
        }
    }
}