diff --git a/Yavsc/Startup/Startup.SanityChecks.cs b/Yavsc/Startup/Startup.SanityChecks.cs
new file mode 100644
index 00000000..c49347ad
--- /dev/null
+++ b/Yavsc/Startup/Startup.SanityChecks.cs
@@ -0,0 +1,47 @@
+using System;
+using Google.Apis.Auth.OAuth2;
+using Microsoft.AspNet.Builder;
+using Microsoft.AspNet.Hosting;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+
+
+namespace Yavsc
+{
+    public partial class Startup
+    {
+        public void CheckServices(IServiceCollection services)
+        {
+            
+        }
+
+        public void CheckApp(IApplicationBuilder app,
+                SiteSettings siteSettings, IHostingEnvironment env,
+                ILoggerFactory loggerFactory
+                )
+        {
+            var logger = loggerFactory.CreateLogger<Startup>();
+
+            var creds = GoogleSettings?.Account?.private_key;
+            if (creds==null)
+              throw new InvalidOperationException("No Google API credential");
+            var initializer = new ServiceAccountCredential.Initializer(Startup.GoogleSettings.Account.client_email);
+            initializer = initializer.FromPrivateKey(Startup.GoogleSettings.Account.private_key);
+            if (initializer==null)
+
+              throw new InvalidOperationException("Invalid Google API credential");
+            
+            foreach (var feature in app.ServerFeatures) 
+            {
+                var val = JsonConvert.SerializeObject(feature.Value);
+                 logger.LogInformation( $"#Feature _{feature.Key}_: {val}" );
+            }
+            foreach (var prop in app.Properties) 
+            {
+                var val = JsonConvert.SerializeObject(prop.Value);
+                 logger.LogInformation( $"#Property _{prop.Key}_: {val}" );
+            }
+        }
+    }
+}
diff --git a/Yavsc/Yavsc.csproj b/Yavsc/Yavsc.csproj
index 59602a41..0e42c784 100644
--- a/Yavsc/Yavsc.csproj
+++ b/Yavsc/Yavsc.csproj
@@ -1226,6 +1226,10 @@
     <Content Include="Views\Manage\SetGoogleCalendar.cshtml" />
     <Content Include="Views\Shared\Components\Calendar\Default.cshtml" />
     <Content Include="wwwroot\js\site.js" />
+    <Content Include="GoogleApiSupport\Google.Apis\Util\Store\FileDataStore.cs" />
+    <Content Include="appsettings.Development.json" />
+    <Content Include="Views\BrusherProfile\Edit.cshtml" />
+    <Content Include="Startup\Startup.SanityChecks.cs" />
   </ItemGroup>
   <Import Project="../YavscLib/YavscLib.csproj" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />