Revert "Transition from init container to sidecar,"

This reverts commit f277bc0.

Author: solsson

kafka/10broker-config.yml

@@ -45,7 +45,6 @@ data:
     }
     printf '%s\n' "${SEDS[@]}" | sed -f - /etc/kafka-configmap/server.properties > /etc/kafka/server.properties.tmp
     [ $? -eq 0 ] && mv /etc/kafka/server.properties.tmp /etc/kafka/server.properties
-    [ -f /etc/kafka/server.properties ] && echo "Ready for Kafka start" && tail -f /dev/null
 
   server.properties: |-
     ############################# Log Basics #############################

kafka/50kafka.yml

@@ -18,8 +18,8 @@ spec:
       annotations:
     spec:
       terminationGracePeriodSeconds: 30
-      containers:
-      - name: config
+      initContainers:
+      - name: init-config
         image: solsson/kafka-initutils@sha256:18bf01c2c756b550103a99b3c14f741acccea106072cd37155c6d24be4edd6e2
         env:
         - name: NODE_NAME
@@ -40,6 +40,7 @@ spec:
           mountPath: /etc/kafka-configmap
         - name: config
           mountPath: /etc/kafka
+      containers:
       - name: broker
         image: solsson/kafka:1.1@sha256:ba863ca7dc28563930584e37f93d57c2cbf3f46b1c1fa104fe8af7bcc0c31df4
         env: