I’ve been a big fan of Mutation Testing since I discovered PIT. As I dive deeper into Rust, I wanted to check the state of mutation testing in Rust. Starting with cargo-mutants I found two crates for mutation testing in …
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The try block in Rust
I wrote previously about libs for error management in Rust. This week, I want to write about the try block, an experimental feature. The limit of the ? operator Please check the above article for a complete refresher on error …
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One giant Kubernetes cluster for everything
The ideal size of your Kubernetes clusters is a day 0 question and demands a definite answer. You find one giant cluster on one end of the spectrum and many small-sized ones on the other, with every combination in between. …
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WebAssembly on Kubernetes
Like a couple of innovative technologies, different people have different viewpoints on where WebAssembly fits the technology landscape. WebAssembly (also called Wasm) is certainly the subject of much hype right now. But what is it? Is it the JavaScript Killer? …
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Pull request testing on Kubernetes: testing locally and on GitHub workflows
Imagine an organization with the following practices: Commits code on GitHub Runs its CI/CD pipelines with GitHub Actions Runs its production workload on Kubernetes Uses Google Cloud A new engineer manager arrives and asks for the following: On every PR, …
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Pull Request testing on Kubernetes: Working with GitHub Actions and GKE
I’m continuing my series on running the test suite for each Pull Request on Kubernetes. In the previous post, I laid the groundwork for our learning journey: I developed a basic JVM-based CRUD app, tested it locally using Testcontainers, and …
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Pull request testing on Kubernetes: vCluster for isolation and costs control
This week’s article is the third and final in my series about running tests on Kubernetes for each pull request. In the first post, I described the app and how to test locally using Testcontainers and in a GitHub workflow. …
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Book Review: DuckDB in Action
Disclaimer: this post includes affiliate links; I may receive compensation if you purchase the book from the different links provided in this post. This review is about DuckDB in Action by JoMark Needham, Michael Hunger, and Michael Simons from Manning. …
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Remote Development Made Simple with DevPod
I come relatively late to the subject of Remote Development Environments (also known as Cloud Development Environments). The main reason is that I haven’t worked in a development team for over six years. However, I’m now working for Loft Labs, …
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My first steps with Playwright
In my previous company, I developed a batch job that tracked metrics across social media, such as Twitter, LinkedIn, Mastodon, Bluesky, Reddit, etc. Then I realized I could duplicate it for my own “persona”. The problem is that some media …
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A solution to the problem of cluster-wide CRDs
I’m an average Reddit user, scrolling much more than reading or interacting. Sometimes, however, a post rings a giant red bell. When I stumbled upon If you could add one feature to K8s, what would it be?, I knew the …