# From the official Docker installation guide for Debian:
# https://docs.docker.com/engine/install/debian/

# Uninstall old Docker versions
# $ sudo apt-get remove docker docker-engine docker.io containerd runc
- name: "Remove old Docker versions"
  ansible.builtin.apt: 
    state: absent 
    name:
      - docker
      - docker-engine
      - docker.io
      - containerd
      - runc

# Install dependencies
# > apt-transport-https ca-certificates curl gnupg lsb-release
- name: "Install Docker dependencies"
  ansible.builtin.apt:
    state: present 
    name:
      - apt-transport-https
      - ca-certificates
      # - curl # Already installed in main.yml
      - gnupg
      - lsb-release

# Dowload Docker's official GPG key
# $  curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
- name: "Add Docker's official GPG key to apt"
  ansible.builtin.apt_key:
    id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
    url: https://download.docker.com/linux/debian/gpg
    # Key destination path
    keyring: /usr/share/keyrings/docker-archive-keyring.gpg
    state: present


# Add Docker's repository to apt
# $ echo \
#   "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
#   $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
- name: "Add Docker's repository to APT sources list"
  ansible.builtin.apt_repository:
    repo: "deb [arch={{ architecture_map[ansible_architecture] }} signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
    state: present
  vars:
    architecture_map:
      "x86_64": "amd64"
      "aarch64": "arm64"
      "aarch": "arm64"
      "armhf": "armhf"
      "armv7l": "armhf"

# Install Docker engine
# $ sudo apt-get update
# $ sudo apt-get install docker-ce docker-ce-cli containerd.io
- name: "Install Docker engine"
  ansible.builtin.apt:
    state: present
    update_cache: yes
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io

# Install docker-compose 
# $ sudo curl -L "https://github.com/docker/compose/releases/download/1.28.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
- name: "Install Docker Compose"
  ansible.builtin.get_url:
    url: "https://github.com/docker/compose/releases/download/{{ compose_version }}/docker-compose-{{ ansible_system }}-{{ ansible_architecture }}"
    dest: /usr/local/bin/docker-compose
    mode: "0755"
  vars:
    compose_version: 1.28.5