@julian
I Have this notification :
(node:19103) DeprecationWarning: The option `autoReconnect` is incompatible with the unified topology, please read more by visiting http://bit.ly/2D8WfT6
(node:19103) DeprecationWarning: The option `reconnectTries` is incompatible with the unified topology, please read more by visiting http://bit.ly/2D8WfT6
(node:19103) DeprecationWarning: The option `reconnectInterval` is incompatible with the unified topology, please read more by visiting http://bit.ly/2D8WfT6
(node:19103) DeprecationWarning: The option `autoReconnect` is incompatible with the unified topology, please read more by visiting http://bit.ly/2D8WfT6
(node:19103) DeprecationWarning: The option `reconnectTries` is incompatible with the unified topology, please read more by visiting http://bit.ly/2D8WfT6
(node:19103) DeprecationWarning: The option `reconnectInterval` is incompatible with the unified topology, please read more by visiting http://bit.ly/2D8WfT6