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