Use roles instead of tasks in playbook.yml

playbook.yml

@@ -4,15 +4,10 @@
   hosts: all
   gather_facts: true
   become: true
-  tasks:
+  roles:
-    - name: Run OS configuration role
+    - role: os_config
-      import_role:
-        name: os_config
       tags:
         - os
-
+    - role: docker
-    - name: Run Docker role
-      import_role:
-        name: docker
       tags:
         - docker