play-deploy.yml

- hosts: all
  remote_user: root
  gather_facts: no

  pre_tasks:
    - name: Check "container_name" variable is not empty
      fail:
        msg: variable "container_name" is required
      when: container_name == false

    - name: Check "image_name" variable is not empty
      fail:
        msg: variable "image_name" is required
      when: image_name == false

  tasks:
    - debug:
        msg: "container_name == {{ container_name }}"

    - debug:
        msg: "image_name == {{ image_name }}"

    - name: Create a container
      docker_container:
        name: "{{ container_name }}"
        image: "{{ image_name }}"
        state: started
        recreate: yes
        restart_policy: always
        pull: true
        ignore_image: true
        links:
          - "dev-consul:consul"