copy configs first, manipulate later - cannot change configmap mounts

postfix/entrypoint.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+for cf in /postfix-config/*.cf; do
+  cat ${cf} > /etc/postfix/`basename ${cf}`;
+done
+
 for cf in /etc/postfix/*.cf; do
   sed -iE -e 's/%DB_PASSWORD%/${DB_PASSWORD}/g' \
           -e 's/%DB_HOST%/${DB_HOST}/g' \