packerDigitalOcean.json

{
  "builders": [{
    "type": "digitalocean",
    "api_token": "API_TOKEN",
    "image": "ubuntu-16-04-x64",
    "region": "sgp1",
    "size": "s-1vcpu-1gb",
    "ssh_username": "root",
    "droplet_name": "PackerTest",
    "tags": ["packer"]
  }],

  "provisioners": [{
    "type": "shell",
    "inline": [
      "#!/bin/bash -e",
      "sudo apt-get update",
      "sudo apt-get install nginx -y"
    ]
  }]
}