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.

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How to run system tests with Capybara using Selenium containers instead of local Chrome/chromedriver setup.

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In which I describe my current setup and workflow for Rails web development with Kubernetes.

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A brief guide to quickly set up and use Linstor storage on Kubernetes, backed by DRBD for data replication.

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I ran a few fio benchmarks to compare some popular storage solutions for Kubernetes, here’s the summary.

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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.

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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.

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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.

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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.

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How to successfully obtain a TLS certificate from Let’s Encrypt with the HTTP challenge when the site is behind Cloudflare.

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