Practical notes on making builds and CI fast, correct and reproducible. https://kettlebuild.org/ 2026-11-03T09:00:00Z Theo © 2026 Kettlebuild tag:kettlebuild.org,2026-11-03:/articles/docker-images-small-and-cacheable 2026-11-03T09:00:00Z 2026-11-03T09:00:00Z

Layer order, .dockerignore, cache mounts and multi-stage builds: small images and fast rebuilds come from the same habits.

tag:kettlebuild.org,2026-09-29:/articles/monorepo-task-graphs 2026-09-29T09:00:00Z 2026-09-29T09:00:00Z

How monorepo tools decide what to run, why affected detection misses things, and how to keep the graph honest.

tag:kettlebuild.org,2026-08-25:/articles/faster-ci-pipelines 2026-08-25T09:00:00Z 2026-09-29T09:00:00Z

Measure the phases first, then cut setup, add caching, parallelise where it pays and split tests by recorded time.

tag:kettlebuild.org,2026-07-21:/articles/reproducible-builds-checklist 2026-07-21T09:00:00Z 2026-07-21T09:00:00Z

Timestamps, file order, locale and build paths: why two builds of one commit differ, and how SOURCE_DATE_EPOCH helps.

tag:kettlebuild.org,2026-06-16:/articles/content-addressed-cache-keys 2026-06-16T09:00:00Z 2026-07-21T09:00:00Z

A content-addressed cache is only as correct as its key. The usual ways keys go wrong, and how to tell which one bit you.