windows-container

How can i define variables in the Dockerfile for a windows image so they are accessible in subsequent RUN statements? My test Dockerfile looks like this FROM microsoft/windowsservercore SHELL ["powershell", "-Command"] ARG viaArg=value ENV viaEnv="""value""" RUN $viaShell=\"value\" RUN echo """viaArg: $env:viaArg""" RUN echo """viaEnv: $env:viaEnv""" RUN echo """viaShell: $myusername""" RUN echo """viaShell+env: $env:viaShell""" when building the image via PS > docker build -t myImage . only viaArg and viaEnv show (a) value. The first example here puts multiple commands in one line like RUN

I am making a docker containerized application using visual studio 2017. When running docker through visual studio first, I got an error that "ERROR: client version 1.22 is too old". This error was resolved by updating docker compose to version 2.1 Below link contains further instruction about this specific error ERROR: client version 1.22 is too old After this error was resolved ,On Building docker now I get "HNS failed with error : The parameter is incorrect." From multiple github discussion I have found that it is a windows network error. Is there a solution to this problem ? Should I down

I need to append to the PATH within a Windows Docker container, and I've tried many permutations. ENV PATH=%PATH%;C:\\Foo\\bin ENV PATH=$PATH;C:\\Foo\\bin ENV PATH="%PATH%;C:\Foo\bin" ENV PATH="$PATH;C:\Foo\bin" RUN "set PATH=%PATH%;C:\Foo\bin" None of these work: they don't evaluate the preexisting PATH variable. What is the right syntax to append to the PATH? Can I even append to the PATH inside Docker? (I can on similar Linux containers) Unfortunately ENV won't work, because windows environment variable work a little differently than linux. more info As of now the only way to do this is