packer file that creates a docker container based on alpine linux from an ansible playbook

packer.json

{
  "builders":[{
    "type": "docker",
    "image": "yikaus/alpine-bash",
    "export_path": "image.tar"
  }],
  "provisioners":[
    {
      "type": "shell",
      "inline": [
        "apk update",
        "apk add --update py-pip ansible",
        "pip install --upgrade ansible"
      ]
    },
    {
      "type": "ansible-local",
      "playbook_file": "./playbooks/local.yml"
    },
    {
      "type": "shell",
      "inline": [
        "apk del ansible",
        "rm -rf /var/cache/apk/**/"
      ]
    }
  ],
  "post-processors": [
    {
      "type": "docker-import",
      "repository": "svnlto/packer-ansible",
      "tag": "latest"
    }
  ]
}