Add Docker role for Debian

roles/docker/defaults/main.yml

@@ -0,0 +1,2 @@
+docker_gpg_key_url_deb: https://download.docker.com/linux/debian/gpg
+docker_deb_repo: https://download.docker.com/linux/debian

roles/docker/tasks/main.yml

@@ -0,0 +1,37 @@
+---
+- name: Install Debian prerequisites
+  ansible.builtin.package:
+    name:
+      - ca-certificates
+      - curl
+      - gnupg
+    state: present
+    update_cache: yes
+  when: ansible_os_family == 'Debian'
+
+- name: Add Docker GPG key
+  get_url:
+    url: "{{ docker_gpg_key_url_deb }}"
+    dest: /etc/apt/keyrings/docker.asc
+    mode: "0644"
+  when: ansible_os_family == 'Debian'
+
+- name: Add Docker APT repository
+  apt_repository:
+    repo: "deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc] {{ docker_deb_repo }} {{ ansible_distribution_release }} main"
+    filename: docker
+    state: present
+  when: ansible_os_family == 'Debian'
+
+- name: Install Docker from source
+  ansible.builtin.package:
+    name:
+      - docker-ce
+      - docker-ce-cli
+      - containerd.io
+      - docker-buildx-plugin
+      - docker-compose-plugin
+    state: present
+    update_cache: yes
+  when: ansible_os_family == 'Debian'
+