From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@gnu.org>
Subject: Re: guix pack -f docker and name ?
Date: Tue, 21 May 2019 10:52:49 +0200
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	(zimoun's message of "Mon, 20 May 2019 21:34:32 +0200")
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To: zimoun <zimon.toutoune@gmail.com>
Cc: Guix Devel <guix-devel@gnu.org>

Howdy!

zimoun <zimon.toutoune@gmail.com> skribis:

> On Mon, 20 May 2019 at 17:42, Ludovic Court=C3=A8s <ludo@gnu.org> wrote:

[...]

>> I think =E2=80=98guix pack=E2=80=99 should have a =E2=80=98-r/--root=E2=
=80=99 option like =E2=80=98guix build=E2=80=99
>> so you can do:
>>
>>   guix pack -r my-image -f docker foo bar baz
>>
>> WDYT?
>
> Yes, it better fits what I am more or less doing by hand.
> Nice `guix pack` owns this option.

Cool.  Note that the advantage is the GC root, but if it=E2=80=99s just abo=
ut
creating a symlink, you can also do:

  ln -s $(guix pack -f docker whatever) my-symlink

>> > 2.
>> > Once loaded with `docker load < /gnu/store/<hash>-docker-pack.tar`
>> > then `docker image ls` list all the images. The REPOSITORY and TAG are
>> > not super helpful. :-)
>> > It is always: profile and <hash>.
>> >
>> > Maybe REPOSITORY should be guix and TAG should be <short-hash>-<name>.
>> > Because when one has more than 2 images, after holidays it is not
>> > possible to remember or they needs to track in a separate file what it
>> > is.
>>
>> I agree, we can do better here.  :-)
>>
>> We could allow for user-provided names, and/or, when =E2=80=98--save-pro=
venance=E2=80=99
>> is used, we could show the commit ID or something.
>>
>> Ideas?
>
> I was proposing:
>  guix pack -f docker -r foo
> generates the file:
> /gnu/store/<long-hash>-docker-pack.tar
> where the symlink foo to this file and the field REPOSITORY should be
> guix and the field TAG should `foo-<short-hash>` where <short-hash>`
> is let say 6 characters.

OK.

> I do not know if it is the right way. What do people using Docker think ?

Yup, I=E2=80=99m curious what people think best practice is!  Because I don=
=E2=80=99t
really qualify as a =E2=80=9CDocker user=E2=80=9D myself.  :-)

Thank you,
Ludo=E2=80=99.