mherger wrote: 
> In order to update you'd have to re-build the container? Or can it 
> update itself?
It could, but that's "holding it wrong".
In principle, an image is used to spawn a container, then you kill it or
clone it, and the next container will be completely identical except for
a few details like hostname, network parameters, etc.
It is possible to commit live modifications made to a container to a new
image, but the expected method would rather be to pull (from Docker Hub)
a new image that is updated before launching the container:

https://docs.docker.com/engine/reference/commandline/pull/ wrote: 
> When using tags, you can docker pull an image again to make sure you
> have the most up-to-date version of that image. For example, docker pull
> ubuntu:14.04 pulls the latest version of the Ubuntu 14.04 image.



2 SB 3 • 1 PCP 6 • Libratone Loop, Zipp, Zipp Mini • iPeng (iPhone +
iPad) • LMS 7.9 (linux) with plugins: CD Player, WaveInput, Triode's BBC
iPlayer by bpa • IRBlaster by Gwendesign (Felix) • Smart Mix, Music Walk
With Me, What Was That Tune? by Michael Herger • PowerSave by Jason
Holtzapple • Song Info, Song Lyrics by Erland Isaksson • AirPlay Bridge
by philippe_44 • WeatherTime by Martin Rehfeld • Auto Dim Display,
SaverSwitcher, ContextMenu by Peter Watkins.
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