vagrant-docker
Install vagrant and virtualbox Sign up digital_ocean
$ vagrant plugin install vagrant-omnibus
$ vagrant plugin install vagrant-digitalocean
$ brew install curl-ca-bundle
$ vagrant up --provider=docker local
$ vagrant up --provider=digital_ocean ci
$ mv .digital_ocean.example .digital_ocean
$ vi .digital_ocean
# set Client_ID and set API_KEY
$ souce .digital_ocean