fix witness

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

@@ -34,6 +34,8 @@ case "$REPMGR_NODE_ROLE" in
     /usr/lib/postgresql/15/bin/repmgr -f /etc/repmgr.conf standby register
     ;;
   witness )
+    docker_temp_server_stop
+    server_start
     until /usr/lib/postgresql/15/bin/repmgr -h $REPMGR_UPSTREAM -f /etc/repmgr.conf witness register &> /dev/null
     do
       echo "Primary host not ready. Waiting for 5 minutes..."