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Creating Awesome Alertmanager Templates for Slack
6 min read
Prometheus, Grafana and Alertmanager is the default stack for me when deploying a monitoring system. The Prometheus and Grafana bits are well documented and there exists tons of open source approaches on how to make …
GitOps Secret Management with Vault, ArgoCD and Tanka
7 min read
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 …
GitOps with ArgoCD and Tanka
10 min read
GitOps is becoming the standard of doing continuous delivery. Define your state in Git, automatically update and change the state when pull requests are merged. Within the Kubernetes ecosystem two tools have become very popular …
Migrating Kubernetes Resources between ArgoCD Applications
1 min read
I've been using ArgoCD for a while now, and as time went by I started to splitting my Kubernetes resources into smaller ArgoCD Applications. However, I could not figure out clear guidelines on how to …
Migrating Kubernetes PersistentVolumes across Regions and AZs on AWS
4 min read
Persistent volumes in AWS are tied to one Availability Zone(AZ), therefore if you were to create a cluster in an AZ where the volume is not created in you would not be able to use …
Creating a Low Cost Managed Kubernetes Cluster for Personal Development using Terraform
5 min read
Kubernetes is an open-source system that's popular amongst developers. It automatically deploys, scales, and manages containerized applications. Yet for those working outside of the traditional startup or corporate setting, Kubernetes can be CPU and memory-intensive, …
Quick, Pretty and Easy Maintenance Page using Cloudflare Workers & Terraform
3 min read
Maintenance pages are a neat way to inform your users that there are operational changes that require downtime. Cloudflare Workers allows you to execute Javascript and serve HTML close to your users and when Cloudflare …
Monitoring Kubernetes InitContainers with Prometheus
1 min read
Kubernetes InitContainers are a neat way to run arbitrary code before your container starts. It ensures that certain pre-conditions are met before your app is up and running. For example it allows you to: - …
6 ways to speed up your CI
8 min read
Waiting for CI to finish slows down development and can be extremely annoying, especially when CI fails and you have to run it again. Let's take a look into approaches on how to speed up …
Kickstarting Infrastructure for Django Applications with Terraform
8 min read
When creating Django applications or using cookiecutters as Django Cookiecutter you will have by default a number of dependencies that will be needed to be created as a S3 bucket, a Postgres Database and a …
