packer.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": ""
  },
  "builders": [
    {
      "type": "amazon-ebs",
      "access_key": "{{ user `aws_access_key` }}",
      "secret_key": "{{ user `aws_secret_key` }}",
      "region": "us-east-1",
      "instance_type": "t2.micro",
      "source_ami": "ami-2ef48339",
      "ssh_username": "ubuntu",
      "ami_name": "docker-image-builder-{{ isotime \"2006-01-02-150405\" }}",
      "ami_description": "Docker image builder AMI - {{ isotime \"2006-01-02-150405\" }} - built with Packer",
      "tags": {
        "Name": "Docker image builder AMI - {{ isotime \"2006-01-02-150405\" }} - built with Packer"
      }
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "sudo apt-get update",
        "sudo apt-get install -y python-pip python-dev libssl-dev",
        "export LC_ALL=C",
        "sudo pip install pip --upgrade",
        "sudo pip install ansible --upgrade"
      ]
    },
    {
      "type": "ansible-local",
      "playbook_file": "playbook.yml",
      "inventory_file": "hosts",
      "extra_arguments": [
        "--limit localhost"
      ],
      "playbook_dir": "roles/"
    },
    {
      "type": "shell",
      "inline": [
        "sudo pip uninstall --yes ansible"
      ]
    }
  ]
}