Webjobs SDK using ConfigureServices

Program.cs

    class Program
    {
        private static IConfiguration Configuration { get; set; }

        static async Task Main()
        {
            var builder = new HostBuilder();
            builder.ConfigureWebJobs(b =>
            {
                b.AddAzureStorageCoreServices()
                 .AddAzureStorage()
                 .AddTimers();
            });

            builder.ConfigureLogging((context, b) =>
            {
                b.AddConsole();

                string instrumentationKey = context.Configuration["APPINSIGHTS_INSTRUMENTATIONKEY"];
                if (!string.IsNullOrEmpty(instrumentationKey))
                {
                    b.AddApplicationInsightsWebJobs(o => o.InstrumentationKey = instrumentationKey);
                }
            });

            builder.ConfigureServices((context, s) =>
            {
                ConfigureServices(s);
                s.BuildServiceProvider();
            });

            var tokenSource = new CancellationTokenSource();
            var ct = tokenSource.Token;
            var host = builder.Build();
            using (host)
            {
                await host.RunAsync(ct);
            }
        }

        private static void ConfigureServices(IServiceCollection services)
        {
            var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");

            Configuration = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
                .AddJsonFile($"appsettings.{environment}.json", true, true)
                .AddEnvironmentVariables()
                .Build();

            services.AddSingleton<IService, SimpleService>();
            services.AddApplicationInsightsTelemetry();
            services.AddApplicationInsightsTelemetryProcessor<SuccessfulDependencyFilter>();
        }
    }