diff --git a/defaults/main.yml b/defaults/main.yml
index cfa55e5..20f45a9 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -31,4 +31,6 @@ docker_enable_api_port: True
 docker_api_port: 2376
 docker_tcp_socket_host: 127.0.0.1
 docker_log_to_journal: True
-docker_daemon_debug: False
\ No newline at end of file
+docker_daemon_debug: False
+docker_prometheus_metrics: True
+docker_prometheus_host: 127.0.0.1