feat(tracing): enable OpenTelemetry in HAPI FHIR for end-to-end traces

Author: JorisHeadease

docker-compose.yml

@@ -74,6 +74,12 @@ services:
 
       NVI_AUDIENCE: nvi
       NVI_TENANT: nvi
+      # OpenTelemetry tracing - enables full trace visibility into HAPI FHIR
+      JAVA_TOOL_OPTIONS: "-javaagent:/app/opentelemetry-javaagent.jar"
+      OTEL_SERVICE_NAME: "hapi-fhir"
+      OTEL_EXPORTER_OTLP_ENDPOINT: "http://jaeger:4318"
+      OTEL_EXPORTER_OTLP_PROTOCOL: "http/protobuf"
+      OTEL_PROPAGATORS: "tracecontext,baggage"
 
       #
       # Local development properties (not to be used when deploying to test/production)