Dockerfile

# escape=`
FROM microsoft/windowsservercore:latest

LABEL maintainer="PowerShell Team <powershellteam@hotmail.com>"
LABEL readme.md="https://github.com/PowerShell/PowerShell/blob/master/docker/README.md"
LABEL description="This Dockerfile will install the latest release of PS."

ARG POWERSHELL_MSI=https://github.com/PowerShell/PowerShell/releases/download/v6.0.0-beta.4/PowerShell-6.0.0-beta.4-win10-win2016-x64.msi

RUN setx /M PATH "%ProgramFiles%\PowerShell\latest;%PATH%"
# Setup PowerShell - Log-to > C:\Docker.log
SHELL ["C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe", "-command"]
ADD $POWERSHELL_MSI /PowerShell-win10-x64.msi

# Install PowerShell package and clean up
RUN $ErrorActionPreference='Stop'; `
    $ConfirmPreference='None'; `
    $VerbosePreference='Continue'; `
    Start-Transcript -path C:\Dockerfile.log -append -IncludeInvocationHeader ; `
    $PSVersionTable | Write-Output ; `
    $VerInfo = Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' ; `
    ('FullBuildString: '+$VerInfo.BuildLabEx) | Write-Output ; `
    ('OperatingSystem:  '+$VerInfo.ProductName+' '+$VerInfo.EditionId+' '+$VerInfo.InstallationType)  | Write-Output ; `
    [System.IO.FileInfo]$MsiFile = Get-Item -Path ./PowerShell-win10-x64.msi ; `
    Start-Process -FilePath msiexec.exe -ArgumentList '-qn','-i c:\PowerShell-win10-x64.msi', `
      '-log c:\PowerShell-win10-x64.msi.log','-norestart' -wait ; `
    $log=get-content -Path C:\PowerShell-win10-x64.msi.log -Last 10 ; `
    if ($log -match 'Installation success or error status: 0') { `
      Remove-Item -Path $MsiFile ; `
      $psexe=Get-Item -Path $Env:ProgramFiles\PowerShell\*\powershell.exe ; `
      New-Item -Type SymbolicLink -Path $Env:ProgramFiles\PowerShell\ -Name latest -Value $psexe.DirectoryName `
    } else { throw 'Installation failed!  See c:\PowerShell-win10-x64.msi.log' } ;

# Verify New Powershell.exe runs
SHELL ["C:\\Program Files\\PowerShell\\latest\\PowerShell.exe", "-command"]
RUN Start-Transcript -path C:\Dockerfile.log -append -IncludeInvocationHeader ; `
    $ErrorActionPreference='Stop'; `
    Write-Output $PSVersionTable ; `
    If (-not($PSVersionTable.PSEdition -Match 'Core')) { `
      Throw [String]$('['+$PSVersionTable.PSEdition+'] is not [Core]!') ; `
    } ;

# Persist %PSCORE% ENV variable for user convenience
ENV PSCORE='"C:\Program Files\PowerShell\latest\PowerShell.exe"'

CMD ["PowerShell.exe"]