init files

Dockerfile

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+FROM microsoft/iis
+
+COPY . /scripts
+
+WORKDIR /scripts
+
+RUN powershell -File shrink-image.ps1

shrink-image.ps1

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+iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
+choco install -y boxstarter
+BoxstarterShell
+Remove-WindowsFeature -Name 'Powershell-ISE'
+Get-WindowsFeature | 
+? { $_.InstallState -eq 'Available' } | 
+Uninstall-WindowsFeature -Remove
+Install-WindowsUpdate -AcceptEula
+$pageFileMemoryKey = "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management"
+Set-ItemProperty -Path $pageFileMemoryKey -Name PagingFiles -Value ""
+Dism.exe /online /Cleanup-Image /StartComponentCleanup /ResetBase
+Optimize-volume -DriveLetter c
+wget http://download.sysinternals.com/files/SDelete.zip -OutFile sdelete.zip
+[System.Reflection.Assembly]::LoadWithPartialName("System.IO.Compression.FileSystem")
+[System.IO.Compression.ZipFile]::ExtractToDirectory("sdelete.zip", ".") 
+./sdelete.exe /accepteula -z c: