install docker
sudo apt-get install linux-image-generic-lts-raring linux-headers-generic-lts-raring
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
sudo reboot
then
sudo apt-get install lxc-docker
add yourself to docker group for when you get fed up with all the sudo below...
sudo groupadd docker
sudo gpasswd -a ${USER} docker
sudo service docker restart
install Node-RED from gist
sudo docker build --rm -t davecj/node-red http://gist.github.com/raw/9435867/Dockerfile
or
sudo docker build --rm -t davecj/node-red git://gist.github.com/9435867.git
(or scp Dockerfile and build)
sudo docker build --rm -t davecj/node-red - < Dockerfile
run (as daemon)
sudo docker run -d -p 1880:1880 davecj/node-red
command line
sudo docker run -i -t davecj/node-red /bin/bash
show running containers
sudo docker ps -a
show all images (so you can tidy up)
sudo docker images