windows: update default base image for dev container

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/.windows.yml

@@ -75,9 +75,12 @@ jobs:
       -
         name: Build base image
         run: |
-          docker pull ${{ env.WINDOWS_BASE_IMAGE }}:${{ env.WINDOWS_BASE_IMAGE_TAG }}
-          docker tag ${{ env.WINDOWS_BASE_IMAGE }}:${{ env.WINDOWS_BASE_IMAGE_TAG }} microsoft/windowsservercore
-          docker build --build-arg GO_VERSION -t ${{ env.TEST_IMAGE_NAME }} -f Dockerfile.windows .
+          & docker build `
+            --build-arg WINDOWS_BASE_IMAGE `
+            --build-arg WINDOWS_BASE_IMAGE_TAG `
+            --build-arg GO_VERSION `
+            -t ${{ env.TEST_IMAGE_NAME }} `
+            -f Dockerfile.windows .
       -
         name: Build binaries
         run: |
@@ -152,9 +155,12 @@ jobs:
       -
         name: Build base image
         run: |
-          docker pull ${{ env.WINDOWS_BASE_IMAGE }}:${{ env.WINDOWS_BASE_IMAGE_TAG }}
-          docker tag ${{ env.WINDOWS_BASE_IMAGE }}:${{ env.WINDOWS_BASE_IMAGE_TAG }} microsoft/windowsservercore
-          docker build --build-arg GO_VERSION -t ${{ env.TEST_IMAGE_NAME }} -f Dockerfile.windows .
+          & docker build `
+            --build-arg WINDOWS_BASE_IMAGE `
+            --build-arg WINDOWS_BASE_IMAGE_TAG `
+            --build-arg GO_VERSION `
+            -t ${{ env.TEST_IMAGE_NAME }} `
+            -f Dockerfile.windows .
       -
         name: Test
         run: |

Dockerfile.windows

@@ -154,13 +154,9 @@
 
 # The number of build steps below are explicitly minimised to improve performance.
 
-# Extremely important - do not change the following line to reference a "specific" image, 
-# such as `mcr.microsoft.com/windows/servercore:ltsc2022`. If using this Dockerfile in process
-# isolated containers, the kernel of the host must match the container image, and hence
-# would fail between Windows Server 2016 (aka RS1) and Windows Server 2019 (aka RS5).
-# It is expected that the image `microsoft/windowsservercore:latest` is present, and matches
-# the hosts kernel version before doing a build. 
-FROM microsoft/windowsservercore
+ARG WINDOWS_BASE_IMAGE=mcr.microsoft.com/windows/servercore
+ARG WINDOWS_BASE_IMAGE_TAG=ltsc2022
+FROM ${WINDOWS_BASE_IMAGE}:${WINDOWS_BASE_IMAGE_TAG}
 
 # Use PowerShell as the default shell
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]

testutil/environment/environment.go

@@ -70,7 +70,7 @@ func getPlatformDefaults(info system.Info) PlatformDefaults {
 			ContainerStoragePath: toSlash(containersPath),
 		}
 	case "windows":
-		baseImage := "microsoft/windowsservercore"
+		baseImage := "mcr.microsoft.com/windows/servercore:ltsc2022"
 		if overrideBaseImage := os.Getenv("WINDOWS_BASE_IMAGE"); overrideBaseImage != "" {
 			baseImage = overrideBaseImage
 			if overrideBaseImageTag := os.Getenv("WINDOWS_BASE_IMAGE_TAG"); overrideBaseImageTag != "" {