fix witness

docker-entrypoint-initdb.d/00-main.sh

@@ -16,10 +16,10 @@ echo "conninfo              = 'host=${REPMGR_NODE_NAME} dbname=repmgr user=repmg
 echo "location              = '${REPMGR_NODE_LOCATION}'"                                               >> /etc/repmgr.conf
 
 if [[ -n $REPMGR_UPSTREAM ]] && [[ -z $REPMGR_ROLE ]]; then
-  REPMGR_ROLE="standby"
+  REPMGR_NODE_ROLE="standby"
 fi
 
-case "$REPMGR_ROLE" in
+case "$REPMGR_NODE_ROLE" in
   standby )
     docker_temp_server_stop
     rm -rf /var/lib/postgresql/data/*