---
- name: Initialise worker VM
  hosts: workers
  become: yes

  tasks:
  - name: Install essentials
    apt:
      pkg:
        - apt-transport-https
        - ca-certificates
        - curl
        - software-properties-common
        - python3-pip
        - virtualenv
        - python3-setuptools
        - vim
        - git
        - btop
      state: latest
      update_cache: true

  - name: Add Docker GPG apt Key
    apt_key:
      url: https://download.docker.com/linux/ubuntu/gpg
      state: present

  - name: Add Docker Repository
    apt_repository:
      repo: deb https://download.docker.com/linux/ubuntu focal stable
      state: present

  - name: Update apt and install docker-ce
    apt:
      name: docker-ce
      state: latest
      update_cache: true

  - name: Start and enable Docker
    service:
      name: docker
      state: started
      enabled: yes