mdmcertcheck.sh - main shell script for check cert status
certlist.cfg	- configuration file for cert list
zabbix_3.x_template.xml	- zabbix 3.x template
mdmsslcertcheck.docker	- docker file 


build and run docker file

docker run --name certchecker --restart always -v /your/path/to/zabbix:/etc/zabbix/--privileged -d image:1.0

and place zabbix config with scripts directory and configs
and place sh in script
and certlist.cfg and wtire path into script

remember about zabbix config, enable it!!!

####### USER-DEFINED MONITORED PARAMETERS #######

### Option: UnsafeUserParameters
#       Allow all characters to be passed in arguments to user-defined parameters.
#       The following characters are not allowed:
#       \ ' " ` * ? [ ] { } ~ $ ! & ; ( ) < > | # @
#       Additionally, newline characters are not allowed.
#       0 - do not allow
#       1 - allow
#
# Mandatory: no
# Range: 0-1
# Default:
# UnsafeUserParameters=0
UnsafeUserParameters=1

have a lot fun!