xos/synchronizers/onboarding/steps/sync_xos.yaml

---
- hosts: 127.0.0.1
  connection: local

  vars:
    dockerfiles:
    {% for dockerfile in dockerfiles %}
      - docker_image_name: {{ dockerfile.docker_image_name }}
        dockerfile_fn: {{ dockerfile.dockerfile_fn }}
    {% endfor %}  

  tasks: 
    {% for dockerfile in dockerfiles %}
    - name: build_docker_{{ dockerfile.docker_image_name }}
      shell: chdir={{ build_dir }} docker build -f {{ dockerfile.dockerfile_fn }} --rm -t {{ dockerfile.docker_image_name }} .
    {% endfor %}

#  - build_dockers:
#    shell: docker build -f {{ '{{' }} item.dockerfile_fn {{ '}}' }} --rm -t {{ '{{' }} item.docker_image_name {{ '}}' }} .
#    with items: "dockerfiles"