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bashdockerdockerfile

how to reload .bashrc in dockerfile

I am adding many things to the .bashrc in the Dockerfile which is necessary to execute some of the commands I want to run later in the Dockerfile,
I tried source .bashrc which does not work.
I tried using RUN /bin/bash -c --login ... but I get an error : mesg: ttyname failed: inappropriate ioctl for device

Solution

  • Each command in a Dockerfile creates a new temporary container, but without tty (issue 1870, discussed in PR 4955, but closed in favor of PR 4882).

    The lack of tty during docker builds triggers the ttyname failed: inappropriate ioctl for device error message.

    What you can try instead is running a wrapper script which in it will source the .bashrc.

    Dockerfile:

    COPY myscript /path/to/myscript
RUN /path/to/myscript

    myscript:

    #!/bin/bash
source /path/to/.bashrc
# rest of the commands

    Abderrahim points out in the comments:

    In my case it was for nvm: it adds an init script to .bashrc therefore it wasn't usable in the Dockerfile context.
    Ended up making an install script with it's dependent command.