docker-registry-install.sh

#!/usr/bin/env bash

user="$1"
if [ -z "$user" ]; then
    user=ubuntu
fi

# Enable memory cgroup and swap accounting
sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1"/g' /etc/default/grub
update-grub

# Adding an apt gpg key is idempotent.
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9

echo 'deb http://get.docker.io/ubuntu docker main' > /etc/apt/sources.list.d/docker.list

# Update remote package metadata.  'apt-get update' is idempotent.
apt-get update -q

# Install docker.  'apt-get install' is idempotent.
apt-get install -q -y lxc-docker

usermod -a -G docker "$user"

apt-get install -q -y linux-image-generic-lts-raring linux-headers-generic-lts-raring

# docker-registry
registry=$(sudo docker run -d -p 5000:5000 registry)
echo "registry container id: $registry"

echo "Rebooting down to activate new kernel."
shutdown -r now