Setup-a-Windows-OVH-instance-for-CI.md

@@ -15,7 +15,35 @@ Invoke-WebRequest -UseBasicParsing "https://raw.githubusercontent.com/microsoft/
 
 The system will reboot!
 
-Follow instructions from [Install Build Tools into a container](https://learn.microsoft.com/en-us/visualstudio/install/build-tools-container?view=vs-2022) to generate the `buildtools` docker image.
+Follow instructions from [Install Build Tools into a container](https://learn.microsoft.com/en-us/visualstudio/install/build-tools-container?view=vs-2022) to generate the `buildtools` docker image. Use the following Dockerfile:
+
+```
+# escape=`
+
+# Use the latest Windows Server Core 2022 image.
+FROM mcr.microsoft.com/windows/servercore:ltsc2022
+
+# Restore the default Windows shell for correct batch processing.
+SHELL ["cmd", "/S", "/C"]
+
+RUN `
+    # Download the Build Tools bootstrapper.
+    curl -SL --output vs_buildtools.exe https://aka.ms/vs/17/release/vs_buildtools.exe `
+    `
+    # Install Build Tools with the Microsoft.VisualStudio.Workload.AzureBuildTools workload, excluding workloads and components with known issues.
+    && (start /w vs_buildtools.exe --quiet --wait --norestart --nocache `
+        --installPath "%ProgramFiles(x86)%\Microsoft Visual Studio\2022\BuildTools" `
+        --add Microsoft.VisualStudio.Workload.MSBuildTools `
+        --add MMicrosoft.VisualStudio.Workload.VCTools `
+        || IF "%ERRORLEVEL%"=="3010" EXIT 0) `
+    `
+    # Cleanup
+    && del /q vs_buildtools.exe
+
+# Define the entry point for the docker container.
+# This entry point starts the developer command prompt and launches the PowerShell shell.
+ENTRYPOINT ["C:\\Program Files (x86)\\Microsoft Visual Studio\\2022\\BuildTools\\Common7\\Tools\\VsDevCmd.bat", "&&", "powershell.exe", "-NoLogo", "-ExecutionPolicy", "Bypass"]
+```
 
 Install Gitlab runner: