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Dockerfile-windowsservercore.template
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Dockerfile-windowsservercore.template
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FROM microsoft/windowsservercore
SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop';"]
ENV PYTHON_VERSION %%PLACEHOLDER%%
ENV PYTHON_RELEASE %%PLACEHOLDER%%
# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
ENV PYTHON_PIP_VERSION %%PLACEHOLDER%%
RUN $url = ('https://www.python.org/ftp/python/{0}/python-{1}-amd64.exe' -f $env:PYTHON_RELEASE, $env:PYTHON_VERSION); \
Write-Host ('Downloading {0} ...' -f $url); \
(New-Object System.Net.WebClient).DownloadFile($url, 'python.exe'); \
\
Write-Host 'Installing ...'; \
# https://docs.python.org/3.5/using/windows.html#installing-without-ui
Start-Process python.exe -Wait \
-ArgumentList @( \
'/quiet', \
'InstallAllUsers=1', \
'TargetDir=C:\Python', \
'PrependPath=1', \
'Shortcuts=0', \
'Include_doc=0', \
'Include_test=0' \
); \
\
# 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; \
\
$pipInstall = ('pip=={0}' -f $env:PYTHON_PIP_VERSION); \
Write-Host ('Installing {0} ...' -f $pipInstall); \
# we use "--force-reinstall" for the case where the version of pip we're trying to install is the same as the version bundled with Python
# ("Requirement already up-to-date: pip==8.1.2 in /usr/local/lib/python3.6/site-packages")
# https://github.com/docker-library/python/pull/143#issuecomment-241032683
pip install --no-cache-dir --upgrade --force-reinstall $pipInstall; \
\
Write-Host 'Verifying pip install ...'; \
pip --version; \
\
Write-Host 'Complete.';
CMD ["python"]