ArgoCD has by default support for notifying when an Application does not have the desired status through triggers. For example, when an application becomes OutOfSync or Unhealthy, a notification is sent to your configured notification service (e.g. Slack). This was …

Blackbox-exporter is a Prometheus exporter that probes endpoints and exposes metrics of the probe result. There are multiple guides on how to use the Blackbox-exporter, and we won't go into that, but rather focus on newer things as Jsonnet as …

Celery is a python project used for asynchronous job processing and task scheduling in web applications or distributed systems. It is very commonly used together with Django, Celery as the asynchronous job processor and Django as the web framework. Celery …

The Prometheus package for Django provides a great Prometheus integration, but the open source dashboards and alerts that exist are not that great. The to-go Grafana dashboard does not use a large portion of metrics provided by the Django-Prometheus package, …

RabbitMQ has a native built-in Prometheus plugin and by default it has granular metrics disabled. Granular metrics means per-queue/vhost metrics - detailed metrics that provide message lag and consumer info on a queue and vhost basis. You could enable granular …

Apollo GraphQL and NestJS are gaining traction quickly, however the monitoring approaches are unclear. At the moment (late 2021 / early 2022) there are no default exporters or libraries for Prometheus metrics and the same goes for Grafana dashboards, this …

GitOps is becoming the standard of doing continuous deployments. Define your application state in Git, automatically update and change the state when pull requests are merged. This means that deployments happens continuously, usually multiple times a day. There's a good …