Newsletters

Working on an unfamiliar codebase. Implementing a "Share on Mastodon" button for a blog. The Essence of Successful Abstractions. Highlighting journalism on Mastodon. Architects Are Useless…​ Until They’re Not. Kafka Has Reached a Turning Point. Every System is a Log: Avoiding coordination in distributed applications. Almost pwned. The Liskov Substitution Principle (LSP) in Kotlin — Deep Dive. I Asked This Kubernetes Question in Every Interview. Type, or Interface, That Is the Question. What Okta Bcrypt incident can teach us about designing better APIs.

On containers and frameworks. Building Container Images FROM Scratch: 6 Pitfalls That Are Often Overlooked. Automate vCluster Management in EKS with Sveltos and Helm. Policy as Code | From Infrastructure to Fine-Grained Authorization. Real-World Use Case: Using Rust for Computationally Heavy Tasks in Kotlin (and Java) Projects. DevContainers in CI/CD. The documentation problem in development. What are all of those Kotlin function types for? The Shift in Metrics: How Product Engineers Measure Success. Why is Git Autocorrect too fast for Formula One drivers? A distributed vulnerability database for Open Source.

On cosmetics vs. intrinsics in programming. Google Home hubs can now work locally thanks to Matter. Claude vs. ChatGPT: What’s the difference? The half-life of code & the ship of Theseus. Put your Kubernetes workloads to sleep using vCluster native sleep mode. I got OpenTelemetry to work. But why was it so complicated? SQL NULLs are Weird! Double-keyed Caching: How Browser Cache Partitioning Changed the Web. Chaos Engineering with Chaos Mesh and vCluster: Testing Close to Production. Python is the new BASIC. Why I deleted my social media accounts (and why you should too). Top 10 DevOps Tools You MUST Use in 2025!

Je suis Charlie. Databases in 2024: A Year in Review. Announcing axum 0.8.0. URL Pattern - Living Standard. Are these small LLMs really useful? Résolution 2025: utiliser en permanence un assistant IA. Rules for Writing Software Tutorials. The Joy of Under-Engineering. Postgres UUIDv7 + per-backend monotonicity. Docker on MacOS is still slow?. Using watermarks to coordinate change data capture in PostgreSQL.

My opinion on the Tauri framework. Rewriting Docker Image Registries with Kyverno. 11 Python Libraries That Will 10x Your Development Speed in 2024: A Data-Driven Analysis. Quantum teleportation coexisting with classical communications in optical fiber. Cache Kubernetes images with Talos Linux. IntegrationTests with GitHub Service Containers. Using "raise from None" in Python. How to Speed up your Playwright Tests with shared "storageState". How to Secure Webhooks? Fish 4.0: The Fish Of Theseus. Language Wars 2024: Python Leads, Java Maintains, Rust Rises. Hidden Costs of Over-Abstracting Your Codebase. Exploring Cloud Native projects in CNCF Sandbox. Part 2: 12 arrivals of 2023 H2. Over 3.1 million fake "stars" on GitHub projects used to boost rankings.

Git cleanup. Spring Boot 3.4 supports multiple Docker Compose files. CRDTs and collaborative playgrounds. On OpenTelemetry and the value of Standards. Kubernetes and Function-as-Service. Optimistic State Machine Execution. Versions in CustomResourceDefinitions. TAO - Meta’s scalable architecture powering world’s largest social graph. Git - Beyond the Basics. What is the Two Generals Problem in Distributed Systems? Logging, the sensible defaults. On Long Term Software Development.

Back to basics: Dependency Injection. State of the Crates 2025. The Depths of Wikipedians. Distroless Images in Docker: Minimalism, Security, and Debugging in Kubernetes. Cognitive load is what matters. Model Context Protocol. Git Trailers. Ucacher: Speeding up GitHub Actions via syscall instrumentation. How to Handle Backlogs in Queues? MarkItDown. Cyphernetes, a Kubernetes Query Language. How Nightshade Works.

Tricky servlet mappings! Pavlov’s Half Marathon: Training Myself to Run More with Classical Conditioning. Better, Faster Python Projects: A Deep Dive into uv. 7 Databases in 7 Weeks for 2025. Everyone Loves Policy as Code, No One Wants to Write Rego. Extending Spring Data Repositories Just Got Easier. Breakage! in the Cargo.toml — How Rust Package Features Work (And Break). WireMock Now Has an Official Spring Boot Integration. What is PGlite? Eliminating Memory Safety Vulnerabilities at the Source. Collecting OpenTelemetry-compliant Java logs from files. Typed Python in 2024: Well adopted, yet usability challenges persist. Compromising OpenWrt Supply Chain via Truncated SHA-256 Collision and Command Injection.

Different kinds of testing. Constraints are Good: Python’s Metadata Dilemma. Weaponizing SSO for profit. Trace Context: MQTT protocol. Unusual Git IDs. How Much Memory Do You Need in 2024 to Run 1 Million Concurrent Tasks? Function Properties in Data Classes are Code Smells. Should you run PostgreSQL on Kubernetes?. Dead Simple: When to Use Async in FastAPI. A Comprehensive Guide to RAG Implementations. New "Laws" Announced at iSAQB Software Architecture Gathering.

Your own custom Spring Data repository. Translating code quality into business impact. Logging Best Practices: 12 Dos and Don’ts. What’s so bad about sidecars, anyway? Multi-Tenancy Kubernetes in 2024. Hidden Security Features of the JVM - Everything You Didn’t Know and More Language attrition. The Copenhagen Book. Hashcode and Equals Debugging, Performance. Notice of breaking changes for GitHub Actions. The "Just Sharing" Principle.