Maybe I’m a caveman or a fool, but I don’t love Docker volumes. By moving data to a host filesystem I can manage the data more easily using standard software, and can modify it more easily if needed. The little trick of using tar to pipe data out of a Docker volume allowed me to do this with applications like Postgres, Redis, and MySQL, not to mention WordPress. I hope this helps you get your data out of Docker volumes too!
Docker
What’s the Deal with Containers?
Lately, it seems like everyone just can’t stop talking about containers. But I’m sensing a distinct lack of real understanding of the technology from many people, not to mention lots of confusion about what containers really mean for today’s datacenter folks. So I set about learning more and figuring out for myself what the deal is with containers. Here’s where I’m at.
Cloud Without Virtualization
Lots of folks conflate cloud computing and virtualization, but these are not necessarily intrinsically related. Although most cloud servers today use a hypervisor like KVM or Xen to share compute hardware, there’s no reason it has to be this way. My takeaway from Gigaom Structure this week is that an alternative paradigm is emerging: Cloud without […]
