all changes to make it work on Debian

roles/docker/tasks/main.yml

@@ -8,11 +8,12 @@
       - python3-pip
 - name: Add Docker APT key
   apt_key:
-    url: https://download.docker.com/linux/ubuntu/gpg
-    keyring: /etc/apt/keyrings/docker.gpg
+    url: https://download.docker.com/linux/debian/gpg
+    state: present
 - name: Add Docker repository
   apt_repository:
-    repo: "deb [signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
+    repo: "deb https://download.docker.com/linux/debian bullseye stable"
+    state: present
   register: apt_repository
 - name: Update APT cache
   apt:
@@ -30,6 +31,10 @@
     name:
       - docker
       - docker-compose
+- name: Create /etc/docker directory
+  file:
+    path: "/etc/docker"
+    state: directory
 - name: Copy daemon.json
   copy:
     src: "{{ role_path }}/files/daemon.json"