ci-cd – Page 15 – Türker Yıldırım

A systemd timer instead of cron, for the logs alone

NoteMay 11, 20212 min read

A cron job that fails writes to whatever mail was configured in 2014, and a timer’s output is in the journal alongside everything else. Persistent=true runs a missed…

terraform fmt in CI, so the diff is about intent

NoteMay 4, 20212 min read

Infrastructure code accumulates whitespace disagreements faster than application code, because it is edited rarely and by different people each time. -check makes it a gate rather than a…

A Node script in a PHP repository, and who owns it

NoteApril 28, 20211 min read

Most PHP repositories contain JavaScript for the build, and the moment one of those scripts does something operational it needs an owner. The build script is fine unowned…

A secret mount is not an ARG, and history proves it

NoteApril 16, 20212 min read

A build argument is recorded in the image history whether or not the build used it, so a token passed as an ARG is readable by anybody who…

Visual regression needs a stable font stack

NoteApril 13, 20212 min read

A screenshot comparison fails on a one-pixel difference, and font rendering differs between a laptop and a CI runner. Running the browser in a pinned container is the…

Wait for a compose service to be healthy before running tests

SnippetApril 12, 20211 min read

The staging environment that was lying

Deep diveApril 8, 202110 min read

It passed on staging four times and failed in production four times. The same code, a different outcome, and five differences nobody had enumerated.

A WordPress plugin with a test suite that runs in CI

Deep diveMarch 18, 202110 min read

A plugin on forty sites and no test that was not a person clicking. WordPress is a global, and the matrix is the actual value.

An OpenAPI document that is the test suite’s source of truth

Deep diveFebruary 23, 202110 min read

3.1 lands in February with real JSON Schema. Generating docs from code fixes half the problem; making the document the contract fixes the other half.

Vite in development and webpack in production is a real answer

Deep diveFebruary 9, 20218 min read

A 38-second dev server start on a machine with nothing else to do. Native ESM changes the feedback loop, and running two build tools has a specific cost.