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Docker 0.6.5: name your containers, link them together, selectively publish ports, and more
Today we’re happy to announce Docker 0.6.5. Don’t be fooled by the version number: this is a significant release! Think of it as a preparation for 0.7, which will be even more significant. In addition to numerous bug fixes, this release introduces container naming, links between containers, better host integration, and advanced port redirects. A big thank […]
Call me Moby Dock
Last month we asked the Docker community to vote for the name of the Docker whale. We received 411 votes and today we are excited to announce that the community chose Moby Dock.
Gathering LXC and Docker containers metrics
Linux Containers rely on control groups which not only track groups of processes, but also expose a lot of metrics about CPU, memory, and block I/O usage. We will see how to access those metrics, and how to obtain network usage metrics as well. This is relevant for “pure” LXC containers, as well as for […]
Docker can now run within Docker
One of the (many!) features of Docker 0.6 is the new “privileged” mode for containers. It allows you to run some containers with (almost) all the capabilities of their host machine, regarding kernel features and device access. Among the (many!) possibilities of the “privileged” mode, you can now run Docker within Docker itself. First, we […]
How to use your own Registry
One of the things that makes Docker so useful is how easy it is to pull ready-to-use images from a central location, Docker’s Central Registry. It is just as easy to push your own image (or collection of tagged images as a repository) to the same public registry so that everyone can benefit from your newly Dockerized service. […]