Re: [atomic-devel] We have a bugzilla requesting that we change the default CMD to systemd for base images in RHEL

[Daniel J Walsh <dwalsh redhat com>]

On 10/25/2016 04:30 PM, Josh Berkus wrote:
> On 10/25/2016 12:14 PM, Josh Berkus wrote:
>> On 10/25/2016 12:02 PM, Jeremy Eder wrote:
>>> When you "docker pull golang", the image is over 600MB (and it's built
>>> on alpine).
>>> Same with docker pull java...also > 600MB.
>>>
>>> docker pull alpine is not apples:apples.  If you're pulling alpine it's
>>> because you're about to shove in a ton of other stuff.
>> Yah, I'm less concerned about the exact size as I am with the dependency
>> graph.  Currently systemd pulls in a LOT of random stuff, any of which
>> requires various security updates.  There's also the effect on startup
>> time for calling a container which is running a websocket-activated app,
>> or a desktop app.
> You know, though: if we're just changing the default CMD, and NOT what
> we include in the base image, then it really doesn't break anything.
> Everyone who builds a container overrides the default CMD.
>
Right the problem is changing the default STOPCMD.