The Monitor stack needs to be extended in software.cfg
.
Additionally the instance template for monitor needs to be provided to html5as instance. So it needs to be passed to the local instance template
[buildout]
extends =
...
# Extend monitoring stack to provide necessary tools for monitoring
../../stack/monitor/buildout.cfg
...
[template-cfg]
...
context =
...
key template_monitor monitor2-template:output