Hey there,

Erlang comes with an observer which you can use to monitor your elixir app.

A few weeks ago I wrote an article on how to use it and also wrote a hex called remote_monitor for it. At least thats what you can use to monitor your app on demand.

I’m still looking for a service that monitors the app in the background and sends alerts if something goes wrong - didn’t find anything like that yet.

I plan 3-part series (Implementation details, Instrumenting a Phoenix app, and Deploying).

Right now I’m busy writing docs: https://hexdocs.pm/prometheus_ex/1.0.0-alpha3/Prometheus.html. Any help would be appreciated (esp, proofreading)!

AppSignal looks nice, but I have big objections when it comes to the implementation. It uses NIFs, we know nothing about. We know they’re going to do some HTTP requests, but are they running in a separate thread? Are they respecting the NIF time limit? I don’t think I’m comfortable with sticking proprietary NIFs into my code, where I have no idea they won’t cause a scheduler collapse under load.

Inspired by our discussion, a few days ago I’ve released a new version of the library with basic channel support; basically you can treat the processing of incoming channel messages as separate transactions. Hope that helps a bit already

Note that the API is not the prettiest yet. In a future version I’m planning to incorporate function annotations to make the integration a bit cleaner.

@sabri

Read this post first: http://aldusleaf.org/monitoring-elixir-apps-in-2016-prometheus-and-grafana/
Libraries are listed here: Prometheus.io Elixir integrations
Github link: https://github.com/deadtrickster/prometheus.ex see Integrations section in readme.