src/Services/Ordering/Ordering.API/Program.cs

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var configuration = GetConfiguration();

Log.Logger = CreateSerilogLogger(configuration);

try
{
    Log.Information("Configuring web host ({ApplicationContext})...", Program.AppName);
    var host = BuildWebHost(configuration, args);

    Log.Information("Applying migrations ({ApplicationContext})...", Program.AppName);
    host.MigrateDbContext<OrderingContext>((context, services) =>
    {
        var env = services.GetService<IWebHostEnvironment>();
        var settings = services.GetService<IOptions<OrderingSettings>>();
        var logger = services.GetService<ILogger<OrderingContextSeed>>();

        new OrderingContextSeed()
            .SeedAsync(context, env, settings, logger)
            .Wait();
    })
    .MigrateDbContext<IntegrationEventLogContext>((_, __) => { });

    Log.Information("Starting web host ({ApplicationContext})...", Program.AppName);
    host.Run();

    return 0;
}
catch (Exception ex)
{
    Log.Fatal(ex, "Program terminated unexpectedly ({ApplicationContext})!", Program.AppName);
    return 1;
}
finally
{
    Log.CloseAndFlush();
}

IWebHost BuildWebHost(IConfiguration configuration, string[] args) =>
    WebHost.CreateDefaultBuilder(args)
        .CaptureStartupErrors(false)
        .ConfigureKestrel(options =>
        {
            var ports = GetDefinedPorts(configuration);
            options.Listen(IPAddress.Any, ports.httpPort, listenOptions =>
            {
                listenOptions.Protocols = HttpProtocols.Http1AndHttp2;
            });

            options.Listen(IPAddress.Any, ports.grpcPort, listenOptions =>
            {
                listenOptions.Protocols = HttpProtocols.Http2;
            });

        })
        .ConfigureAppConfiguration(x => x.AddConfiguration(configuration))
        .UseStartup<Startup>()
        .UseContentRoot(Directory.GetCurrentDirectory())
        .UseSerilog()
        .Build();