--- .env	2025-02-04 07:31:54.868049984 +0700
+++ .env.external-kafka	2025-05-15 08:33:15.442361105 +0700
@@ -22,3 +22,19 @@
 POSTGRES_MAX_CONNECTIONS=100
 # Set SETUP_JS_SDK_ASSETS to 1 to enable the setup of JS SDK assets
 # SETUP_JS_SDK_ASSETS=1
+
+################################################################################
+## Additional External Kafka options
+################################################################################
+KAFKA_BOOTSTRAP_SERVERS=kafka-node1:9092,kafka-node2:9092,kafka-node3:9092
+# Valid options are PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL
+KAFKA_SECURITY_PROTOCOL=PLAINTEXT
+# Valid options are PLAIN, SCRAM-SHA-256, SCRAM-SHA-512. Other mechanism might be unavailable.
+# KAFKA_SASL_MECHANISM=PLAIN
+# KAFKA_SASL_USERNAME=username
+# KAFKA_SASL_PASSWORD=password
+# Put your certificates on the \`certificates/kafka\` directory.
+# The certificates will be mounted as read-only volumes.
+# KAFKA_SSL_CA_LOCATION=/kafka-certificates/ca.pem
+# KAFKA_SSL_CERTIFICATE_LOCATION=/kafka-certificates/client.pem
+# KAFKA_SSL_KEY_LOCATION=/kafka-certificates/client.key