---
- name: Alle Docker-Container auf Host aktualisieren
  hosts: docker_hosts
  become: true
  vars:
    docker_host: unix://var/run/docker.sock

  collections:
    - community.docker

  tasks:
    - name: Alle Container (inkl. gestoppte) auflisten
      community.docker.docker_host_info:
        containers: true
      register: docker_info

    - name: Images-Liste aus Containern extrahieren
      set_fact:
        container_images: >-
          {{ docker_info.containers
             | map(attribute='Image')
             | list
             | unique }}

    - name: Neueste Images ziehen
      community.docker.docker_image:
        name: "{{ item }}"
        source: pull
      loop: "{{ container_images }}"
      register: pulled_images

    - name: Container neu erstellen, wenn Image aktualisiert wurde
      community.docker.docker_container:
        name: "{{ item.Names[0] | regex_replace('^/', '') }}"
        image: "{{ item.Image }}"
        state: started
        recreate: true
      loop: "{{ docker_info.containers }}"