Fix some metric on dashboard (#584)

samples/frontend-backend/frontend/Program.cs

@@ -14,9 +14,6 @@ namespace Frontend
         {
             Activity.DefaultIdFormat = ActivityIdFormat.W3C;
             CreateHostBuilder(args).Build().Run();
-
-            
-
         }
 
         public static IHostBuilder CreateHostBuilder(string[] args) =>

samples/frontend-backend/tye.yaml

@@ -5,5 +5,4 @@ services:
 - name: backend
   project: backend/backend.csproj
 - name: frontend
-  project: frontend/frontend.csproj
-  replicas: 4
+  project: frontend/frontend.csproj

src/Microsoft.Tye.Hosting/ProcessRunner.cs

@@ -397,6 +397,15 @@ namespace Microsoft.Tye.Hosting
                     {
                         _logger.LogError(0, ex, "Failed to launch process for service {ServiceName}", replica);
 
+                        if (!_options.Watch)
+                        {
+                            // Only increase backoff when not watching project as watch will wait for file changes before rebuild.
+                            backOff *= 2;
+                        }
+
+                        service.Restarts++;
+                        service.Replicas.TryRemove(replica, out var _);
+
                         try
                         {
                             await Task.Delay(backOff, processInfo.StoppedTokenSource.Token);