Clean up smoke tests a little

tracer/build/_build/docker/smoke.windows.fleet-installer.dockerfile

@@ -18,7 +18,6 @@ WORKDIR /app
 
 ARG CHANNEL
 ARG TARGET_PLATFORM
-COPY ./build/_build/bootstrap/dotnet-install.ps1 .
 
 # Install the hosting bundle
 RUN  $url='https://builds.dotnet.microsoft.com/dotnet/aspnetcore/Runtime/' + $env:CHANNEL + '.0/dotnet-hosting-' + $env:CHANNEL + '.0-win.exe'; \
@@ -56,17 +55,14 @@ COPY --from=builder /src/publish /app/.
 RUN Remove-WebSite -Name 'Default Web Site'; \
     $ENABLE_32_BIT='false'; \
     if($env:TARGET_PLATFORM -eq 'x86') { $ENABLE_32_BIT='true' }; \
-    Write-Host "Creating website with 32 bit reg key: $env:ENABLE_32_BIT"; \
-    c:\Windows\System32\inetsrv\appcmd add apppool /startMode:"AlwaysRunning" /autoStart:"false" /name:AspNetCorePool /managedRuntimeVersion:"" /enable32bitapponwin64:$ENABLE_32_BIT; \
+    Write-Host "Creating website with 32 bit enabled: $env:ENABLE_32_BIT"; \
+    c:\Windows\System32\inetsrv\appcmd add apppool /startMode:"AlwaysRunning" /autoStart:"true" /name:AspNetCorePool /managedRuntimeVersion:"" /enable32bitapponwin64:$ENABLE_32_BIT; \
     New-Website -Name 'SmokeTest' -Port 5000 -PhysicalPath 'c:\app' -ApplicationPool 'AspNetCorePool'; \
     Set-ItemProperty "IIS:\Sites\SmokeTest" -Name applicationDefaults.preloadEnabled -Value True;
 
-# Restart IIS
-RUN net stop /y was; \
-    net start w3svc
-
 # We override the normal service monitor entrypoint, because we want the container to shut down after the request is sent
 # We would really like to get the pid of the worker processes, but we can't do that easily
+# This is all way more convoluted than it feels like it should be, but it's the only way I could find to get things to work as required
 RUN echo 'Write-Host \"Running servicemonitor to copy variables\"; Start-Process -NoNewWindow -PassThru -FilePath \"c:/ServiceMonitor.exe\" -ArgumentList @(\"w3svc\", \"AspNetCorePool\");' > C:\app\entrypoint.ps1; \
     echo 'Write-Host \"Starting AspNetCorePool app pool\"; Start-WebAppPool -Name \"AspNetCorePool\" -PassThru;' >> C:\app\entrypoint.ps1; \
     echo 'Write-Host \"Making 404 request\"; curl http://localhost:5000;' >> C:\app\entrypoint.ps1; \