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Thanks. I had seen packer.io but then forgot about it. I had another look at Docker in November and had issues installing what I needed via apt for some reason

Thanks. I had seen packer.io but then forgot about it. I had another look at Docker in November and had issues installing what I needed via apt for some reason. It wasn't a drop-in replacement for VMs for several reasons (I wanted an alternative backend to provision with salt), but when it hits 1.0 I'll have a look again, if not before.

edwinnathaniel 13y ago
Definitely it is not. You'd have to prepare the docker instance a little bit differently than you would for VM. For example: Docker does not run upstart by default. re: issues with installing via apt => Docker public registry provided a stock Ubuntu 12.04 with a lot of things stripped out including the /etc/apt/sources.list (it contains only 1 entry). You'd have to populate that sources.list with a Ubuntu/Debian that you already have.
- jamtur01 13y ago
  That's just by default though. You can easily run upstart (or other init styles) inside Docker. Additionally you can use a number of base images if the stock Ubuntu image doesn't suit you.