---
- hosts: servers 
  gather_facts: true
  become: true

  tasks:
    - name: Perform a dist-upgrade
      ansible.builtin.apt:
        upgrade: dist
        update_cache: true

    - name: Check if reboot is required
      ansible.builtin.stat:
        path: /var/run/reboot-required
        get_checksum: false
      register: reboot_required_file

    - name: Reboot the server (if required)
      ansible.builtin.reboot:
      when: reboot_required_file.stat.exists == true

    - name: Remove dependencies that are no longer required
      ansible.builtin.apt:
        autoremove: true