use docker_setup role

unifi.yml

@@ -4,11 +4,12 @@
   become: true
   vars:
     ansible_python_interpreter: /usr/bin/python3
+  roles:
+    - role: docker_setup
+      vars:
+        docker_data_root: "/srv/docker"
+    - role: apache
   tasks:
-    - name: Install python docker package
-      apt:
-        name: python3-docker
-        state: present
     - name: Setup the docker container for unifi-controller
       docker_container:
         name: unifi-controller