diff --git a/prometheus/prometheus.yml b/prometheus/prometheus.yml
index 040da18..64de610 100644
--- a/prometheus/prometheus.yml
+++ b/prometheus/prometheus.yml
@@ -1,12 +1,16 @@
 global:
   scrape_interval: 15s
+  external_labels:
+    monitor: 'codelab-monitor'
 
 scrape_configs:
-  - job_name: 'node'
+  - job_name: 'prometheus'
+    scrape_interval: 5s
     static_configs:
       - targets: ['localhost:9090']
 
   - job_name: 'cadvisor'
+    scrape_interval: 5s
     static_configs:
       - targets: ['cadvisor:8180']