Added https scheme in Prometheus

prometheus/prometheus.yml

@@ -17,5 +17,10 @@ scrape_configs:
 
     static_configs:
       - targets: ['localhost:9090']
+
+  - job_name: 'chatroom'
+    scrape_interval: 5s
+    scheme: https
+    static_configs:
       - targets: ['localhost:3000']
   
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