Re: no systemd in containers: Requires -> Recommends

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On Thu, Dec 17, 2015 at 08:28:13AM -0500, Neil Horman wrote:
> I would question why its necessecary to keep systemd out so ardently.
> If you build your container layers properly, you can effectively put
> systemd in a base container and layer other applications in child
> containers that inherit from it. One systemd installation can be used
> by 1000's of child containers, making the overhead negligible.

Initial deploy isn't insignificant, though, especially in the case
where you're bringing up and down multiple hosts in a cluster.

More importantly, rebuilding all of those child containers when there's
a systemd change isn't negligible at all.

And third, not all application container formats support Docker's
concept of layering, and I'd like to make sure we can adapt to those
too.

-- 
Matthew Miller
<mattdm@xxxxxxxxxxxxxxxxx>
Fedora Project Leader
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