Use changes and ENV to set the PATH, see
https://www.packer.io/docs/builders/docker.html#basic-example-changes-to-metadata

On Mar 8, 2018 7:00 PM, "Alvaro Miranda Aguilera" <kiki...@gmail.com> wrote:

> where packer fits here ?
>
> On Thu, Mar 8, 2018 at 6:02 PM, Ivan Ribakov <ivan.ribak...@gmail.com>
> wrote:
>
>> I'm building a docker image and using Ansible for provisioning. I would
>> like to be able to update image's PATH variable from inside the container
>> (I don't need these changes to take effect immediately, as long as they are
>> commited to an image and are available later). Is there a way to do it?
>>
>> To illustrate my point:
>>
>> $ docker run -itd --name test centos:6
>> $ docker exec -it test /bin/bash
>> [root@006a9c3195b6 /]# echo 'echo SUCCESS' > /root/test.sh
>> [root@006a9c3195b6 /]# chmod +x /root/test.sh
>> [root@006a9c3195b6 /]# echo 'export PATH=/root:$PATH' > 
>> /etc/profile.d/my_settings.sh
>> [root@006a9c3195b6 /]# echo 'PATH=/root:$PATH' > /etc/environment
>> [root@006a9c3195b6 /]# echo 'export PATH=/root:$PATH' > ~/.bashrc
>> [root@006a9c3195b6 /]# exit
>> $ docker commit test test-image:1
>> $ docker exec -it test-image:1 test.sh
>> OCI runtime exec failed: exec failed: container_linux.go:296: starting 
>> container process caused "exec: \"test.sh\": executable file not found in 
>> $PATH": unknown
>>
>>
>> However, following works:
>>
>> $ docker run -it test-image:1 /bin/bash
>> [root@8f821c7b9b82 /]# test.sh
>> SUCCESS
>>
>>
>> Any ideas as to what I'm doing wrong?
>>
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>
>
>
> --
> Alvaro
>
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