updating variables files

group_vars/all/docker.yml

@@ -0,0 +1,15 @@
+docker__channel: ["stable"]
+docker__edition: "ce"
+docker__version: ""
+docker__state: "present"
+docker__users: ["{{ default_user }}"]
+docker__daemon_flags:
+  - "-H unix://"
+docker__cron_jobs_prune_flags: "af"
+docker__cron_jobs:
+  - name: "Docker disk clean up"
+    job: "docker system prune -{{ docker__cron_jobs_prune_flags }} > /dev/null 2>&1"
+    schedule: ["0", "0", "*", "*", "0"]
+    cron_file: "docker-disk-clean-up"
+    user: "{{ (docker__users | first) | d('root') }}"
+    state: "present"