diff --git a/ansible/group_vars/all/docker b/ansible/group_vars/all/docker
new file mode 100644
index 0000000..8bba0a1
--- /dev/null
+++ b/ansible/group_vars/all/docker
@@ -0,0 +1,3 @@
+docker_daemon_config:
+  dns:
+    - 172.17.0.1