Feature Request: Add TAB to Docker Containers to store /root/.profile

[Pcrossley69]

I have been developing quite a few scenarios recently using Docker Containers.
Mostly I use base Linux containers and then run different daemons in them according to my need (e.g. named, syslogd etc).

To configure my containers I have found it useful to:

i) set the start command to "sh -l" so that it starts a login shell which executes the users .profile.
ii) add /root to the persistent directories under the advanced tab
(this seems to be the default home directory for most stock linux containers).
iii) configure the /root/.profile to contain a short shell script which starts whichever daemons I require from this image.

I would like to be able to configure the /root/.profile in the same way as /etc/network/interfaces (currently selecting the EDIT button from the configuration dialogue allows me to change this).

Allowing /root/.profile to be used like this would have a couple of advantages:

i) I would only need a general purpose image instead of several with minor customisations.
ii) The configuration would be kept in the project rather than in a volume

This would make my projects more portable when exporting them.

Note: So far all the Docker Hub images for linux (that I have tried) have a /root/.profile so what I suggest would certainly work for me.

A more generalised solution would perhaps be to allow the filename to be specified.