packer - docker image

local.yml

---
- name: example
  hosts: all
  tasks:
    - name: some file
      copy:
        content: text
        dest: "/tmp/text"

template.json

{
  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "apt update",
        "apt install -y ansible"
      ]
    },
    {
        "type": "ansible-local",
        "playbook_file": "local.yml"
    }
  ],
  "builders": [
    {
      "type": "docker",
      "image": "ubuntu",
      "commit": true
    }
  ]
}