Re: [Userops] Why is it hard to move from one machine to another? An analysis.

[Bob Mottram]

On Thu, Apr 09, 2015 at 12:17:25PM -0400, Dave Crossland wrote:
> I think this is bare-metal mindset. You don't update the container; you create
> a new one, and you throw throw the old one away after its no longer in use. 
> 
> Containers are light.


Containers are light, but they still need to be built.


>     Another problem is detecting when a rebuild should occur. Currently I 
> don't
>     know of any mechanism which would initiate that, and something new would
>     need
>     to be written to check upstream repos for changes.
> 
> 
> https://docs.docker.com/docker-hub/builds/


Well, that's nice, but it looks like it depends upon infrastructure and 
proprietary
services which I don't own or control. If it's all built with free software then
in principle there could be a community effort to collectively fund/run such an
infrastructure, but that's not really my use case.