The kube-prometheus-stack Helm chart, which deploys the kubernetes-mixin, is designed for standard Kubernetes setups, often pre-configured for specific cloud environments. However, these configurations are not directly compatible with k3s, a lightweight Kubernetes distribution. Since k3s lacks many of …

OpenCost is an open-source tool designed to help you monitor and understand the cost of your cloud infrastructure. As a project under the Cloud Native Computing Foundation (CNCF), OpenCost offers a transparent and powerful solution for cloud cost management. It …

The Vertical Pod Autoscaler (VPA) can manage both your pods' resource requests but also recommend what the limits and requests for a pod should be. Recently, the kube-state-metrics project removed built-in support for VPA recommendation metrics, which made the VPA …

Ingress-nginx provides an easy integration with Prometheus for monitoring. However, it can be challenging to get started with monitoring Ingress-nginx and creating dashboards and alerts. Therefore, I've created a monitoring mixin for Ingress-nginx which will provide Prometheus alerts and Grafana …

My most recent projects have consisted of using a microservice architecture and multiple third party services (analytics, events etc.). For better or worse, this seems to be getting more popular, even for smaller companies and startups. Local development becomes more …

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, …

Recently I wrote a blog post on how to use Grafana's Tanka with ArgoCD which is my prefered way to write Kubernetes configuration in Jsonnet. However, the post does not go into detail on the last missing piece - how …