0-prepare-host.sh

#!/bin/bash

# configure prerequisites
sudo apt-get update
sudo apt-get install --assume-yes wget \
                                  jq \
                                  openssh-server \
                                  openssh-client

# install docker
wget -qO- https://get.docker.com/ | sh

# configure docker (i.e. force devicemapper and bind to localhost)
sudo ln -sf /usr/bin/docker /usr/local/bin/docker
sudo sed -i '$acomplete -F _docker docker' /etc/bash_completion.d/docker
sudo sed -i 's|^#*DOCKER_OPTS.*$|DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock"|g' /etc/default/docker

# create docker group and add user
sudo groupadd docker
sudo usermod -aG docker $(whoami)