June 2018 update
Items addressed include:
SYS-303 increase inotify watches
SYS-308 timezone support for duplicati image; upgrade to 2.0.215
SYS-310 weewx upgrade to 3.8.0, with Raspberri Pi ARM image
SYS-313 docker 18.02 support for weewx, nexus
SYS-317 nextcloud 13.0.0 and jira 7.7.1 upgrades
SYS-318 several images updated to latest version