Default shell on Debian shows the same symptom ...

of not forwarding signals as Alpine did.
Kafka logs say nothing, and after 30s the container is terminated.
With /bin/bash instead the log indicates shutdown behavior.

This reverts commit c188f43.

Author: solsson

50kafka.yml

@@ -37,7 +37,7 @@ spec:
         ports:
         - containerPort: 9092
         command:
-        - /bin/sh
+        - /bin/bash
         - -c
         - >
           ./bin/kafka-server-start.sh

zookeeper/50pzoo.yml

@@ -44,7 +44,7 @@ spec:
         - name: JMX_PORT
           value: "5555"
         command:
-        - /bin/sh
+        - /bin/bash
         - -euc
         - >
           export ZOOKEEPER_SERVER_ID=$((${HOSTNAME##*-} + 1));

zookeeper/51zoo.yml

@@ -44,7 +44,7 @@ spec:
         - name: JMX_PORT
           value: "5555"
         command:
-        - /bin/sh
+        - /bin/bash
         - -euc
         - >
           export ZOOKEEPER_SERVER_ID=$((${HOSTNAME##*-} + 4));