Posts
From zero to Kubernetes in Hetzner Cloud with Terraform, Ansible and Rancher
In this post, I am sharing how I set up cheap Kubernetes clusters in Hetzner Cloud using an amazing combinations of powerful tools.
Using Drone CI/CD to build, test your images and deploy to Kubernetes with Helm
Drone is a very lightweight and simple, but powerful CI/CD solution that is designed for containers. In this post, we’ll see how to implement a pipeline from build to deployment to Kubernetes.
Protecting a Rails app from small scripted attacks
If you are tired of seeing your Rails app’s logs polluted with login attempts for Wordpress etc., it’s actually easy to stop most small scripted attacks.
Rails/webpacker: share dynamically compiled assets between the dev and test environments
By default, Rails system and integration tests cannot benefit from webpack dev server’s dynamic asset compilation. Here’s a trick that works very well to solve this problem.
Rails 6: parallel system tests with external Selenium Docker containers
How to run system tests with Capybara using Selenium containers instead of local Chrome/chromedriver setup.
Awesome Rails development with Docker, Kubernetes and Telepresence
In which I describe my current setup and workflow for Rails web development with Kubernetes.
Linstor storage with Kubernetes
A brief guide to quickly set up and use Linstor storage on Kubernetes, backed by DRBD for data replication.
Storage on Kubernetes: OpenEBS vs Rook (Ceph) vs Rancher Longhorn vs StorageOS vs Robin vs Portworx vs Linstor
I ran a few fio benchmarks to compare some popular storage solutions for Kubernetes, here’s the summary.
Kubernetes over Wireguard VPN with RancherOS
A tutorial on how to secure inter-host communication between Kubernetes nodes by encrypting all the traffic with a Wireguard VPN. The operating system in use for the tutorial is RancherOS, but the instructions can be adapted to other operating systems as well.
A few tips for OpenEBS
OpenEBS is an excellent open source solution for storage in Kubernetes. Easy to install and manage, it has various storage engines to fit every need.