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Notes on infrastructure, build systems, Ethereum, and the occasional rabbit hole.

DateEntryRead time

Mar 2026

Zero servers, zero dollars: How this site runs on GitHub Actions and static files

No backend, no database, no server. Just a GitHub Action that fetches live data every hour, commits it to the repo, and deploys a prerendered React SPA to GitHub Pages.

GitHub ActionsGitHub PagesCI/CDDevOpsReact

10 min read

Mar 2026

Bridging Nim and React Native via JSI

Building an auto-generated FFI layer that lets you write Nim functions and call them from React Native with no bridge overhead.

NimReact NativeJSIMobileOpen Source

12 min read

Mar 2026

Building mobile CI/CD for a crypto app from scratch

85 PRs, 7 months, and a pipeline that ships to Google Play, TestFlight, and F-Droid. With a Qt/QML app compiled through Nim, Go, and C.

CI/CDJenkinsDockeriOSAndroidF-Droid

16 min read

Mar 2026

A single config line was leaking 1.8GB in our Next.js app

How a copy-pasted Edge runtime directive caused OG image generation to eat 4.4GB of memory in three minutes.

Next.jsDebuggingMemory LeakWASMNode.js

8 min read

Mar 2026

Migrating Android CI to Qt 6.9 with self-controlled Docker images

Why we stopped trusting upstream images and what it took to own the build environment entirely.

CI/CDAndroidDockerQtJenkins

9 min read

Jan 2026

Running Ethereum validators: A year in review

Uptime, incidents, governance participation, and what I'd do differently with Nimbus and Nethermind.

EthereumValidatorsNimbusNethermindRocket Pool

11 min read

Nov 2025

Why I left third-party Docker images behind

The hidden cost of convenience: build drift, supply chain risk, and the case for self-built base images.

DockerSecurityCI/CDDevOps

7 min read

Sep 2025

Debugging Nim UTF-8 race conditions on macOS ARM64

A weekend deep-dive into a non-deterministic crash that only appeared on Apple Silicon.

NimDebuggingmacOSARM64Concurrency

13 min read

May 2024

"missing symbol called" and nothing else

Five words, no stack trace. A Go 1.20 regression left DNS symbols unresolved in our C-archive on macOS. Finding the symbol meant diffing the binaries.

GomacOSDebuggingNixCI/CD

8 min read

Mar 2024

Upgrading React Native from 0.63 to 0.73 in a production app

A year-long incremental upgrade across five major versions in Status, a ClojureScript app with Go bridges, nix builds, and a full Java-to-Kotlin migration along the way.

React NativeMobileStatusKotlinCI/CD

14 min read

Dec 2023

A kernel syscall was killing our Android app on x86_64

The app worked on ARM, worked on x86, and crashed instantly on x86_64 emulators. Three months to find two Go libraries making raw epoll_wait calls that Android's seccomp filter blocked.

AndroidGoDebuggingSeccompReact Native

11 min read

May 2023

Six months of broken iOS builds, fixed by one environment variable

Our app compiled in Xcode but failed via xcodebuild. For half a year nobody could figure out why. The fix was a single line in the Podfile.

iOSReact NativeDebuggingXcodeCI/CD

7 min read