Posts - Page 2 of 8
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.
A self hosted alternative to Ngrok
Ngrok is a nice service that allows you to expose an app running on your dev machine to the Internet. Here’s a free alternative that you can host yourself, based on Docker containers.
Setting up RancherOS for Rancher and Kubernetes
RancherOS is a minimal, lightweight OS for containers. In this post, we’ll see how to install it on Hetzner Cloud and what to do post-install for use with Rancher and Kubernetes.
Let’s Encrypt HTTP challenge and Cloudflare
How to successfully obtain a TLS certificate from Let’s Encrypt with the HTTP challenge when the site is behind Cloudflare.
Testing HTML5 drag and drop with Capybara
How a tiny JavaScript library can make HTML5 drag and drop testing a little easier.