port events processor over to webjobs sdk 3

src/EventsProcessor/Program.cs

@@ -1,21 +1,40 @@
-using Microsoft.Azure.WebJobs;
+using System;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
 
 namespace Bit.EventsProcessor
 {
-    public class Program
+    class Program
     {
-        private static void Main()
+        static void Main(string[] args)
         {
-            var config = new JobHostConfiguration();
-            if(config.IsDevelopment)
+            var builder = new HostBuilder();
+            builder.ConfigureWebJobs(b =>
             {
-                config.UseDevelopmentSettings();
+                b.AddAzureStorageCoreServices();
+                b.AddAzureStorage(a =>
+                {
+                    a.BatchSize = 5;
+                });
+                // Not working. ref: https://github.com/Azure/azure-webjobs-sdk/issues/1962
+                b.AddDashboardLogging();
+            });
+            builder.ConfigureLogging((context, b) =>
+            {
+                b.AddConsole();
+                b.SetMinimumLevel(LogLevel.Warning);
+            });
+            builder.ConfigureHostConfiguration(b =>
+            {
+                b.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
+                b.AddEnvironmentVariables();
+            });
+            var host = builder.Build();
+            using(host)
+            {
+                host.Run();
             }
-
-            config.Queues.BatchSize = 5;
-
-            var host = new JobHost(config);
-            host.RunAndBlock();
         }
     }
 }