OpenTelemetry configuration for SigNoz metrics integration

cloudbank-v5/customer-helidon/pom.xml

@@ -102,6 +102,14 @@
             <groupId>io.helidon.microprofile.metrics</groupId>
             <artifactId>helidon-microprofile-metrics</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.helidon.microprofile.telemetry</groupId>
+            <artifactId>helidon-microprofile-telemetry</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-exporter-otlp</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.helidon.microprofile.testing</groupId>
             <artifactId>helidon-microprofile-testing-junit5</artifactId>

cloudbank-v5/customer-helidon/src/main/resources/META-INF/microprofile-config.properties

@@ -2,8 +2,10 @@
 server.port=8080
 server.host=0.0.0.0
 
-# Change the following to true to enable the optional MicroProfile Metrics REST.request metrics
-metrics.rest-request.enabled=false
+# OpenTelemetry configuration for SigNoz metrics integration
+metrics.rest-request.enabled=true
+otel.sdk.disabled=false
+otel.service.name=customer
 
 # Application properties. This is the default greeting
 app.greeting=Hello