Update docker-server.sh

Author: kabicin

releases/latest/kernel-slim/helpers/runtime/docker-server.sh

@@ -141,8 +141,8 @@ elif [[ ! -z "$WLP_CHECKPOINT" ]]; then
   checkpoint.sh "$TMP_CHECKPOINT"
 else
   # The default is to just exec the supplied CMD
-  if [[ ! -z "$SERVICEABILITY_NAMESPACE" ]] && [[ ! -z $SERVICEABILITY_NAME ]]; then
-    SERVICEABILITY_FOLDER="/serviceability/$SERVICEABILITY_NAMESPACE/$SERVICEABILITY_NAME"
+  if [[ ! -z "$SERVICEABILITY_NAMESPACE" ]] && [[ ! -z $HOSTNAME ]]; then
+    SERVICEABILITY_FOLDER="/serviceability/$SERVICEABILITY_NAMESPACE/$HOSTNAME"
     mkdir -p $SERVICEABILITY_FOLDER
     rm -f /opt/ol/links/logs
     ln -s $SERVICEABILITY_FOLDER /opt/ol/links/logs