[fix] Kafka listener (open-telemetry#2229)

* [fix] Kafka listener

* fix protoc comments

Author: julianocosta89

.env

@@ -142,7 +142,8 @@ FLAGD_UI_DOCKERFILE=./src/flagd-ui/Dockerfile
 
 # Kafka
 KAFKA_PORT=9092
-KAFKA_ADDR=kafka:${KAFKA_PORT}
+KAFKA_HOST=kafka
+KAFKA_ADDR=${KAFKA_HOST}:${KAFKA_PORT}
 KAFKA_DOCKERFILE=./src/kafka/Dockerfile
 
 # Valkey

docker-compose.yml

@@ -662,7 +662,9 @@ services:
           memory: 620M
     restart: unless-stopped
     environment:
-      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092
+      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://${KAFKA_HOST}:9092
+      - KAFKA_LISTENERS=PLAINTEXT://${KAFKA_HOST}:9092,CONTROLLER://${KAFKA_HOST}:9093
+      - KAFKA_CONTROLLER_QUORUM_VOTERS=1@${KAFKA_HOST}:9093
       - OTEL_EXPORTER_OTLP_ENDPOINT=http://${OTEL_COLLECTOR_HOST}:${OTEL_COLLECTOR_PORT_HTTP}
       - OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE
       - OTEL_RESOURCE_ATTRIBUTES

src/checkout/genproto/oteldemo/demo.pb.go

@@ -11,8 +11,6 @@ USER appuser
 
 ADD --chown=appuser:appuser https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$OTEL_JAVA_AGENT_VERSION/opentelemetry-javaagent.jar /tmp/opentelemetry-javaagent.jar
 
-ENV KAFKA_LISTENERS=PLAINTEXT://0.0.0.0:9092,CONTROLLER://0.0.0.0:9093
-ENV KAFKA_CONTROLLER_QUORUM_VOTERS='1@0.0.0.0:9093'
 ENV KAFKA_CONTROLLER_LISTENER_NAMES=CONTROLLER
 ENV KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
 ENV KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS=0