docker-machine コマンドは --driver digitalocean で簡単に DigitalOcean に Docker Machine を作れます。 https://docs.docker.com/machine/drivers/digital-ocean/ Options: --digitalocean-access-token Digital Ocean access token [$DIGITALOCEAN_ACCESS_TOKEN] --digitalocean-backups enable backups for droplet [$DIGITALOCEAN_BACKUPS] --digitalocean-image "ubuntu-15-10-x64" Digital Ocean Image [$DIGITALOCEAN_IMAGE] --digitaloc