Deprecated!

I won't update it any more and just leave it here.
So you can use it if you want, but it has been moved to https://github.com/bargees/barge. Thanks.

DockerRoot

DockerRoot (formerly RancherOS Lite) is a lightweight Linux distribution made with Buildroot ~~especially to run a Docker daemon as PID 1~~.

It's designed for a local development with Docker in a virtual machine.

It's inspired by the following projects.

Features

Based on Buildroot 2016.02 with Linux kernel v4.4.8 and GLIBC.
~~Runs a Docker daemon as PID 1~~
Strip down the Linux kernel modules and drivers
Busybox + the following utilities from Buildroot
- sudo, bash, wget, xz, sntp, logrotate
- ssh, scp, sftp, rsync
- acpid, sshd, dhcpcd, xtables-multi
- e2fsck, mke2fs, resize2fs, tune2fs
Default username: docker
Default password: docker
dumb-init binary is built-in /usr/bin.

e.g., docker run -d -v /usr/bin/dumb-init:/dumb-init:ro --entrypoint=/dumb-init <image> <command>

pkg command is built-in. You can install individual packages from Buildroot + α.

docker@docker-root ~]$ pkg
sage: pkg {build|install} [-f] <package-name> [build options]
      pkg show <package-name>
      pkg list

e.g., sudo pkg install vim

Enable to switch between Docker versions.

docker@docker-root ~]$ sudo /etc/init.d/docker
sage /etc/init.d/docker {start|stop|restart|status} [<version>|latest|default]

e.g., sudo /etc/init.d/docker restart latest

Licensed under the GNU General Public License, version 2 (GPL-2.0)
http://opensource.org/licenses/GPL-2.0