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Docker on Raspberry Pi

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Re: Docker on Raspberry Pi

#12
post #9

I'm looking for "the CoreOS of Raspberry Pi." Just a barebones Linux distro that just runs Docker images. Anyone have any ideas?

I wonder if Docker/Go will work on uClibc; busybox + docker would make for a very small image indeed.

However, I think there are better ARM targets for Docker, but for publicity and to get the ball rolling - you can't go past the Pi.

Re: Docker on Raspberry Pi

#15
post #9

I'm looking for "the CoreOS of Raspberry Pi." Just a barebones Linux distro that just runs Docker images. Anyone have any ideas?

I haven't seen anything yet, but I'm very interested in this area – I've got an application that uses a bunch of RasPi nodes, and running anything like Raspbian or even PiLFS feels too heavyweight for what I ultimately want (a single networked app that runs on startup).

Re: Docker on Raspberry Pi

#17
I, too, had the idea of utilizing Docker in the IoT - in fact, I chose that as the focus of my MSc dissertation (though my primary goal was to implement automated docker/LXC container provisioning for resources on a server to be utilized by a sensor device). I created a little open-source tool called Orchestrator (https://github.com/cvlc/orchestrator) to automatically provision docker instances on a remote server in response to DHCPv6 requests. Unfortunately, I've been side-tracked on other projects for a while and haven't really got the ball rolling yet - I'll be looking to update it fairly soon, though!

Jérôme Petazzoni (employee of Docker, formerly dotcloud) has created an excellent (I'd say essential) tool for dealing with networks under Docker called Pipework (https://github.com/jpetazzo/pipework) which is definitely worth a look if you're looking to network containers together.

Re: Docker on Raspberry Pi

#18
post #9

I'm looking for "the CoreOS of Raspberry Pi." Just a barebones Linux distro that just runs Docker images. Anyone have any ideas?

I looked for something like this myself - the closest I think you could get for now is a bespoke, stripped-down Gentoo with Docker. That said, there's a conversation taking place on the CoreOS mailing list that looks promising (https://groups.google.com/forum/#!topic/coreos-dev/cioNy0GjC...).

Re: Docker on Raspberry Pi

#19
I come from an Electrical Engineering/Low-level embedded background. I only just learned of Docker/Vagrant/et al., and although I can understand the utility in some contexts, I can't possibly understand the utility of running Docker on a Raspberry Pi (except as a toy exercise). What am I missing?

Re: Docker on Raspberry Pi

#20
post #19

I come from an Electrical Engineering/Low-level embedded background. I only just learned of Docker/Vagrant/et al., and although I can understand the utility in some contexts, I can't possibly understand the utility of running Docker on a Raspberry Pi (except as a toy exercise). What am I missing?

Very easy deployment. A Dockerfile that works on your desktop that refers to a container image can be very easily be sent to many devices and installed seamlessly.
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