Monitoring a set of docker instances

I need system administrator for Linux/Unix based environments. with expertise in on monitoring: target is Zabbix, we are open to any other alternative. we need to monitor a set of docker instances and to be alerted when some of them is down. it include some custom specific url to ping regularly (applicative ping). • Enterprise NMS like Nagios, Centreon, OpenNMS, Zabbix, Munin, Cacti, Monitorix, Xymon administration & monitoring. they all hosted on debian 9 physical machines.