essential: install docker from docker repository

roles/essential/tasks/main.yml

@@ -19,6 +19,31 @@
       - zsh # :D
       - python3-certbot-nginx
 
+- 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 packages
+  apt:
+    name:
+      - docker-ce
+      - docker-ce-cli
+      - containerd.io
+      - docker-compose
+    state: latest
+    update_cache: true
+
+- name: Start docker 
+  systemd:
+    name: docker
+    state: started
+
 - name: Grab package facts
   package_facts:
     manager: auto