Add EXPORT_TO_KAFKA environment variable and update Ingestor class logic

- Introduced EXPORT_TO_KAFKA variable in values.yaml to control Kafka export behavior.
- Updated Ingestor class to parse and set the export_to_kafka attribute based on the environment variable.

ingestor/ingestor.py

@@ -34,7 +34,14 @@ class Ingestor:
         """
 
         kafka_servers = getenv("KAFKA_SERVERS", "localhost:9092")
-        self.export_to_kafka = getenv("EXPORT_TO_KAFKA", "false")
+        export_to_kafka = getenv("EXPORT_TO_KAFKA", "false")
+
+        if export_to_kafka and export_to_kafka == "true":
+            export_to_kafka = True
+        else:
+            export_to_kafka = False
+
+        self.export_to_kafka = export_to_kafka
         self.redis_host = getenv("REDIS_HOST", "localhost")
         self.redis_port = int(getenv("REDIS_PORT", "6379"))
         self.redis_username = getenv("REDIS_USERNAME", None)