Setup git via windows docker file

dockerfile docker-for-windows docker-desktop docker
Yuriy Zaletskyy picture Yuriy Zaletskyy · Apr 18, 2017 · Viewed 7.8k times · Source

I write Dockerfile which is based on windowsnanoserver. I need to add to this image git. In order to achieve it I did the following:

RUN Invoke-WebRequest 'https://github.com/git-for-windows/git/releases/download/v2.12.2.windows.2/Git-2.12.2.2-64-bit.exe'
RUN Invoke-Expression "c:\Git-2.12.2.2-64-bit.exe"

But when I execute this lines via docker build, I receive following error message:

Invoke-Expression : The term 'c:\Git-2.12.2.2-64-bit.exe' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

I realize that this error message indicates that due to console nature of windows docker images I'll not be able to execute GUI installers. Unfortunately git doesn't have console installer. Chocolatey works fine under windowsservercore image but doesn't work at windowsnanoserver. In order to install git for windowsnanoserver I have idea to repeat in Dockerfile commands from chocolatey git installer which is fine for me, but still I'd like to know is there any simpler way to install git on windowsnanoserver?

Answer

Yuriy Zaletskyy picture Yuriy Zaletskyy · Apr 28, 2017

I've solved issue with GUI through usage of MinGit and by putting information about mingit into environment/path variable. I've used following approach:

RUN Invoke-WebRequest 'https://github.com/git-for-windows/git/releases/download/v2.12.2.windows.2/MinGit-2.12.2.2-64-bit.zip' -OutFile MinGit.zip

RUN Expand-Archive c:\MinGit.zip -DestinationPath c:\MinGit; \
$env:PATH = $env:PATH + ';C:\MinGit\cmd\;C:\MinGit\cmd'; \
Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Environment\' -Name Path -Value $env:PATH

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