Dockerfile-windows.template

FROM mcr.microsoft.com/windows/{{ env.windowsVariant }}:{{ env.windowsRelease }}

SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]

# https://github.com/docker-library/python/pull/557
ENV PYTHONIOENCODING UTF-8

ENV PYTHON_VERSION {{ .version }}
{{ if .checksums.windows.sha256 then ( -}}
ENV PYTHON_SHA256 {{ .checksums.windows.sha256 }}
{{ ) else "" end -}}

RUN $url = ('https://www.python.org/ftp/python/{0}/python-{1}-amd64.exe' -f ($env:PYTHON_VERSION -replace '[a-z]+[0-9]*$', ''), $env:PYTHON_VERSION); \
	Write-Host ('Downloading {0} ...' -f $url); \
	[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
	Invoke-WebRequest -Uri $url -OutFile 'python.exe'; \
{{ if .checksums.windows.sha256 then ( -}}
	\
	Write-Host ('Verifying sha256 ({0}) ...' -f $env:PYTHON_SHA256); \
	if ((Get-FileHash python.exe -Algorithm sha256).Hash -ne $env:PYTHON_SHA256) { \
		Write-Host 'FAILED!'; \
		exit 1; \
	}; \
{{ ) else "" end -}}
	\
	Write-Host 'Installing ...'; \
# https://docs.python.org/3/using/windows.html#installing-without-ui
	$exitCode = (Start-Process python.exe -Wait -NoNewWindow -PassThru \
		-ArgumentList @( \
			'/quiet', \
			'InstallAllUsers=1', \
			'TargetDir=C:\Python', \
			'PrependPath=1', \
			'Shortcuts=0', \
			'Include_doc=0', \
			'Include_pip=1', \
			'Include_test=0' \
		) \
	).ExitCode; \
	if ($exitCode -ne 0) { \
		Write-Host ('Running python installer failed with exit code: {0}' -f $exitCode); \
		Get-ChildItem $env:TEMP | Sort-Object -Descending -Property LastWriteTime | Select-Object -First 1 | Get-Content; \
		exit $exitCode; \
	} \
	\
# the installer updated PATH, so we should refresh our local value
	$env:PATH = [Environment]::GetEnvironmentVariable('PATH', [EnvironmentVariableTarget]::Machine); \
	\
	Write-Host 'Verifying install ...'; \
	Write-Host '  python --version'; python --version; \
	\
	Write-Host 'Removing ...'; \
	Remove-Item python.exe -Force; \
	Remove-Item $env:TEMP/Python*.log -Force; \
	\
	$env:PYTHONDONTWRITEBYTECODE = '1'; \
	\
	Write-Host 'Verifying pip install ...'; \
	pip --version; \
	\
	Write-Host 'Complete.'

CMD ["python"]