diff --git a/kafka.env b/kafka.env
index 811721c..aa880b8 100644
--- a/kafka.env
+++ b/kafka.env
@@ -1,16 +1,5 @@
-HOSTNAME_COMMAND="hostname"
-KAFKA_LISTENERS: PLAINTEXT://:9092
-KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://_{HOSTNAME_COMMAND}:9092
-KAFKA_CREATE_TOPICS_SEPARATOR="$$'\n'"
-KAFKA_CREATE_TOPICS="swh.tmp_journal.new.content:1:1,
-swh.tmp_journal.new.revision:1:1,
-swh.tmp_journal.new.release:1:1,
-swh.tmp_journal.new.origin:1:1,
-swh.tmp_journal.new.origin_visit:1:1,
-swh.journal.objects.contents:1:1,
-swh.journal.objects.revision:1:1,
-swh.journal.objects.release:1:1,
-swh.journal.objects.origin:1:1,
-swh.journal.objects.origin_visit:1:1"
+KAFKA_LISTENERS=PLAINTEXT://:9092
+KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092
+# zookeeper setup
 KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
 LOG4J_LOGGER_KAFKA_AUTHORIZER_LOGGER=DEBUG, authorizerAppender