Add -Cpus parameter to DockerBuild.ps1 for CPU limit control

gfraiteur · claude · gfraiteur · commit dcddbe8c4c5a · 2025-12-23T22:56:06.000+01:00
Adds a new parameter to control Docker container CPU allocation, defaulting to the host's processor count. Passes --cpus to docker run commands. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
diff --git a/DockerBuild.ps1 b/DockerBuild.ps1
@@ -18,6 +18,7 @@ param(
     [string]$Script = 'Build.ps1', # The build script to be executed inside Docker.
     [string]$Isolation = 'process', # Docker isolation mode (process or hyperv).
     [string]$Memory = '8g', # Docker memory limit.
+    [int]$Cpus = [Environment]::ProcessorCount, # Docker CPU limit (defaults to host's CPU count).
     [Parameter(ValueFromRemainingArguments)]
     [string[]]$BuildArgs   # Arguments passed to `Build.ps1` within the container (or Claude prompt if -Claude is specified).
 )
@@ -916,8 +917,8 @@ if (-not $BuildImage)
         try
         {
             # Start new container with docker run
-            Write-Host "Executing: docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -e HOME=$containerUserProfile -e USERPROFILE=$containerUserProfile -w $ContainerSourceDir $ImageTag `"$pwshPath`" -Command `"$inlineScript`"" -ForegroundColor Cyan
-            docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgs @volumeArgs @envArgs -w $ContainerSourceDir $ImageTag $pwshPath -Command $inlineScript
+            Write-Host "Executing: docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -e HOME=$containerUserProfile -e USERPROFILE=$containerUserProfile -w $ContainerSourceDir $ImageTag `"$pwshPath`" -Command `"$inlineScript`"" -ForegroundColor Cyan
+            docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgs @volumeArgs @envArgs -w $ContainerSourceDir $ImageTag $pwshPath -Command $inlineScript
             $dockerExitCode = $LASTEXITCODE
         }
         finally
@@ -1039,8 +1040,8 @@ if (-not $BuildImage)
         else
         {
             # Start new container with docker run
-            Write-Host "Executing: ``docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -w $ContainerSourceDir $ImageTag `"$pwshPath`" $pwshArgs -Command `"$inlineScript`"" -ForegroundColor Cyan
-            docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgs @volumeArgs -w $ContainerSourceDir $ImageTag $pwshPath $pwshArgs -Command $inlineScript
+            Write-Host "Executing: ``docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -w $ContainerSourceDir $ImageTag `"$pwshPath`" $pwshArgs -Command `"$inlineScript`"" -ForegroundColor Cyan
+            docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgs @volumeArgs -w $ContainerSourceDir $ImageTag $pwshPath $pwshArgs -Command $inlineScript
         }
 
         if ($LASTEXITCODE -ne 0)
diff --git a/src/PostSharp.Engineering.BuildTools/Resources/DockerBuild.ps1 b/src/PostSharp.Engineering.BuildTools/Resources/DockerBuild.ps1
@@ -18,6 +18,7 @@ param(
     [string]$Script = 'Build.ps1', # The build script to be executed inside Docker.
     [string]$Isolation = 'process', # Docker isolation mode (process or hyperv).
     [string]$Memory = '8g', # Docker memory limit.
+    [int]$Cpus = [Environment]::ProcessorCount, # Docker CPU limit (defaults to host's CPU count).
     [Parameter(ValueFromRemainingArguments)]
     [string[]]$BuildArgs   # Arguments passed to `Build.ps1` within the container (or Claude prompt if -Claude is specified).
 )
@@ -916,8 +917,8 @@ if (-not $BuildImage)
         try
         {
             # Start new container with docker run
-            Write-Host "Executing: docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -e HOME=$containerUserProfile -e USERPROFILE=$containerUserProfile -w $ContainerSourceDir $ImageTag `"$pwshPath`" -Command `"$inlineScript`"" -ForegroundColor Cyan
-            docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgs @volumeArgs @envArgs -w $ContainerSourceDir $ImageTag $pwshPath -Command $inlineScript
+            Write-Host "Executing: docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -e HOME=$containerUserProfile -e USERPROFILE=$containerUserProfile -w $ContainerSourceDir $ImageTag `"$pwshPath`" -Command `"$inlineScript`"" -ForegroundColor Cyan
+            docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgs @volumeArgs @envArgs -w $ContainerSourceDir $ImageTag $pwshPath -Command $inlineScript
             $dockerExitCode = $LASTEXITCODE
         }
         finally
@@ -1039,8 +1040,8 @@ if (-not $BuildImage)
         else
         {
             # Start new container with docker run
-            Write-Host "Executing: ``docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -w $ContainerSourceDir $ImageTag `"$pwshPath`" $pwshArgs -Command `"$inlineScript`"" -ForegroundColor Cyan
-            docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgs @volumeArgs -w $ContainerSourceDir $ImageTag $pwshPath $pwshArgs -Command $inlineScript
+            Write-Host "Executing: ``docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -w $ContainerSourceDir $ImageTag `"$pwshPath`" $pwshArgs -Command `"$inlineScript`"" -ForegroundColor Cyan
+            docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgs @volumeArgs -w $ContainerSourceDir $ImageTag $pwshPath $pwshArgs -Command $inlineScript
         }
 
         if ($LASTEXITCODE -ne 0)

Original file line number	Diff line number	Diff line change
`@@ -18,6 +18,7 @@ param(`
`18`	`18`	`[string]$Script = 'Build.ps1', # The build script to be executed inside Docker.`
`19`	`19`	`[string]$Isolation = 'process', # Docker isolation mode (process or hyperv).`
`20`	`20`	`[string]$Memory = '8g', # Docker memory limit.`
	`21`	`+ [int]$Cpus = [Environment]::ProcessorCount, # Docker CPU limit (defaults to host's CPU count).`
`21`	`22`	`[Parameter(ValueFromRemainingArguments)]`
`22`	`23`	[string[]]$BuildArgs # Arguments passed to `Build.ps1` within the container (or Claude prompt if -Claude is specified).
`23`	`24`	`)`
`@@ -916,8 +917,8 @@ if (-not $BuildImage)`
`916`	`917`	`try`
`917`	`918`	`{`
`918`	`919`	`# Start new container with docker run`
`919`		- Write-Host "Executing: docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -e HOME=$containerUserProfile -e USERPROFILE=$containerUserProfile -w $ContainerSourceDir $ImageTag `"$pwshPath`" -Command `"$inlineScript`"" -ForegroundColor Cyan
`920`		`- docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgs @volumeArgs @envArgs -w $ContainerSourceDir $ImageTag $pwshPath -Command $inlineScript`
	`920`	+ Write-Host "Executing: docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -e HOME=$containerUserProfile -e USERPROFILE=$containerUserProfile -w $ContainerSourceDir $ImageTag `"$pwshPath`" -Command `"$inlineScript`"" -ForegroundColor Cyan
	`921`	`+ docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgs @volumeArgs @envArgs -w $ContainerSourceDir $ImageTag $pwshPath -Command $inlineScript`
`921`	`922`	`$dockerExitCode = $LASTEXITCODE`
`922`	`923`	`}`
`923`	`924`	`finally`
`@@ -1039,8 +1040,8 @@ if (-not $BuildImage)`
`1039`	`1040`	`else`
`1040`	`1041`	`{`
`1041`	`1042`	`# Start new container with docker run`
`1042`		- Write-Host "Executing: ``docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -w $ContainerSourceDir $ImageTag `"$pwshPath`" $pwshArgs -Command `"$inlineScript`"" -ForegroundColor Cyan
`1043`		`- docker run --rm --memory=$Memory --isolation=$Isolation $dockerArgs @volumeArgs -w $ContainerSourceDir $ImageTag $pwshPath $pwshArgs -Command $inlineScript`
	`1043`	+ Write-Host "Executing: ``docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgsAsString $VolumeMappingsAsString -w $ContainerSourceDir $ImageTag `"$pwshPath`" $pwshArgs -Command `"$inlineScript`"" -ForegroundColor Cyan
	`1044`	`+ docker run --rm --memory=$Memory --cpus=$Cpus --isolation=$Isolation $dockerArgs @volumeArgs -w $ContainerSourceDir $ImageTag $pwshPath $pwshArgs -Command $inlineScript`
`1044`	`1045`	`}`
`1045`	`1046`
`1046`	`1047`	`if ($LASTEXITCODE -ne 0)`