public static IHostBuilder CreateHostBuilder()

in services/thumbnails/csharp/Program.cs [27:37]


        public static IHostBuilder CreateHostBuilder(string[] args)
        {
            var port = Environment.GetEnvironmentVariable("PORT") ?? "8080";
            var url = String.Concat($"http://0.0.0.0:{port}");

            return Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>().UseUrls(url);
                });
        }