Alerta Docker
Because I had some issues finding the documnentation I needed in order to configure Alerta, I have decided to include my configuration files here, in case someone might find them them helpful.
This is the template used by the Alerta to generate Telegram messages from alerta.
I have also included how I have Postgres configured.
See my fork of https://github.com/tbbkitty/freenas-alerta on how you can configure alerting from TrueNAS to Alerta.