private static IHostBuilder CreateHostBuilder(string[] args) { var builder = Host.CreateDefaultBuilder(args) .UseSerilog() .ConfigureWebHostDefaults(builder => { builder.UseUrls("http://*:4703"); builder.UseKestrel(); builder.UseStartup <Startup>(); }); if (EnvironmentContext.InContainer()) { builder.UseContentRoot("/app"); } return(builder); }