Install Docker via Homebrew

osx_homebrew_docker.sh

#!/bin/sh
 
# Install the Docker toolbox via Homebrew.
brew install cask dockertoolbox
 
# Create VM that Docker will run in. 
# Replace "virtualbox" with another driver if desired...
docker-machine create --driver=virtualbox docker-vbox
 
# To remove your newly created VM:
# docker-machine rm docker-vbox
 
# Set environment variables.
eval "$(docker-machine env docker-vbox)"
 
# Test docker container hello world
docker run hello-world