misc: finalized config files

otel-collector-config.yaml

@@ -3,6 +3,16 @@ receivers:
     protocols:
       http:
         endpoint: 0.0.0.0:4318
+  prometheus:
+    config:
+      scrape_configs:
+        - job_name: otel-collector
+          scrape_interval: 30s
+          static_configs:
+            - targets: [backend:9464]
+          metric_relabel_configs:
+            - action: labeldrop
+              regex: "service_instance_id|service_name"
 processors:
   batch:
 
@@ -20,6 +30,6 @@ service:
   extensions: [health_check, pprof, zpages]
   pipelines:
     metrics:
-      receivers: [otlp]
+      receivers: [otlp, prometheus]
       processors: [batch]
       exporters: [prometheus]