hack: dockerfiles: start off a nanoserver plus image

hacks/.gitignore

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 private/
+bin/

hacks/scripts/dockerfiles/nanoserver_plus/dockerfile

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+FROM mcr.microsoft.com/windows/nanoserver:ltsc2022
+
+# this is a minimal image based on nanoserver
+# mainly for the purpose of testing, e.g. integration
+# tests on moby/buildkit.
+
+# before building the image, run ./get_binaries.ps1
+# from the host. This dumps all the required binaries
+# in the ./bin directory that is later moved to
+# C:\Windows\system32 to be accessed within %PATH%
+
+COPY ./bin/* /Windows/System32/

hacks/scripts/dockerfiles/nanoserver_plus/get_binaries.ps1

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+
+# files to copy from Windows host.
+# this are mainly legacy binaries that don't have any
+# extra dependencies.
+$filePaths = @(
+    "C:\Windows\System32\fc.exe",
+    "C:\Windows\System32\whoami.exe"
+)
+
+$dest = "./bin"
+
+if (-not (Test-Path -Path $dest)) {
+    New-Item -ItemType Directory -Path $dest
+}
+
+foreach ($filePath in $filePaths) {
+    Copy-Item -Path $filePath -Destination $dest
+}