Install Docker on Wheezy w/ older kernel

setup-docker-wheezy.sh

#!/bin/bash

apt-get update
apt-get install -y apt-transport-https ca-certificates curl python-software-properties
curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -

echo "deb [arch=amd64] https://download.docker.com/linux/debian wheezy stable" >> /etc/apt/sources.list
echo "deb http://ftp.debian.org/debian/ wheezy-backports main" >> /etc/apt/sources.list

apt-get update

apt-get install -y init-system-helpers docker-ce
apt-get -t wheezy-backports install -y linux-image-amd64 
reboot