Update Docker image tags

Dockerfile

-FROM mcr.microsoft.com/windows-insider:10.0.17744.1001 AS makeiso
+FROM mcr.microsoft.com/windows:ltsc2019 AS makeiso
 WORKDIR C:/source
 COPY . .
 RUN powershell -NoProfile -ExecutionPolicy unrestricted -file make_unattend_iso.ps1
 
-FROM mcr.microsoft.com/windowsservercore-insider:10.0.17744.1001
+FROM mcr.microsoft.com/windowsservercore:ltsc2019
 ENV chocolateyUseWindowsCompression false
 
 RUN powershell -NoProfile -ExecutionPolicy unrestricted -Command \

build_windows_2019_docker.sh

@@ -3,6 +3,6 @@
 packer build \
   --only=vmware-iso \
   --var vhv_enable=true \
-  --var iso_url=~/packer_cache/insider/Windows_InsiderPreview_Server_vNext_en-us_17744.iso \
-  --var "docker_images=mcr.microsoft.com/nanoserver-insider:10.0.17744.1001 mcr.microsoft.com/windowsservercore-insider:10.0.17744.1001 mcr.microsoft.com/windows-insider:10.0.17744.1001" \
+  --var iso_url=~/downloads/17763.1.180914-1434.rs5_release_SERVER_EVAL_x64FRE_en-us.iso \
+  --var "docker_images=mcr.microsoft.com/nanoserver:sac2019 mcr.microsoft.com/windowsservercore:ltsc2019 mcr.microsoft.com/windows:ltsc2019" \
   windows_2019_docker.json

upload-vhd.ps1

@@ -20,7 +20,7 @@ $urlOfUploadedImageVhd = ('https://' + $storageaccount + '.blob.core.windows.net
 Add-AzureRmVhd -ResourceGroupName $resourceGroup -Destination $urlOfUploadedImageVhd `
                   -LocalFilePath 'D:\work\output-hyperv-iso\Virtual Hard Disks\WindowsServer2019Docker.vhd'
 
-$imageName="windows_2019_docker_17744"
+$imageName="windows_2019_docker_17763"
 $imageConfig = New-AzureRmImageConfig -Location $location
 $imageConfig = Set-AzureRmImageOsDisk -Image $imageConfig -OsType Windows -OsState Generalized `
                   -BlobUri $urlOfUploadedImageVhd

windows_2019_docker.json

@@ -170,7 +170,7 @@
     "autounattend": "./answer_files/2019_core/Autounattend.xml",
     "disk_size": "61440",
     "disk_type_id": "1",
-    "docker_images": "mcr.microsoft.com/nanoserver-insider:10.0.17744.1001 mcr.microsoft.com/windowsservercore-insider:10.0.17744.1001 mcr.microsoft.com/windows-insider:10.0.17744.1001",
+    "docker_images": "mcr.microsoft.com/nanoserver:sac2019 mcr.microsoft.com/windowsservercore:ltsc2019 mcr.microsoft.com/windows:ltsc2019",
     "docker_provider": "ee",
     "docker_version": "18-03-1-ee-3",
     "headless": "false",

windows_2019_docker_azure.json

@@ -96,7 +96,7 @@
     "autounattend": "./answer_files/2019/Autounattend.xml",
     "disk_size": "51200",
     "disk_type_id": "1",
-    "docker_images": "mcr.microsoft.com/nanoserver-insider:10.0.17744.1001 mcr.microsoft.com/windowsservercore-insider:10.0.17744.1001 mcr.microsoft.com/windows-insider:10.0.17744.1001",
+    "docker_images": "mcr.microsoft.com/nanoserver:sac2019 mcr.microsoft.com/windowsservercore:ltsc2019 mcr.microsoft.com/windows:ltsc2019",
     "docker_provider": "ee",
     "docker_version": "18-03-1-ee-3",
     "headless": "false",