TRUE Coverage: How We Achieved 90% Faster CI by Measuring What Tests Actually Do
TL;DR: Use per-test coverage data to build a reverse map (file → tests that touch it). Git diff + map lookup = run only relevant tests. 43min → 4min C…
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Running Claude in CI: A GitHub Actions + Claude Code SDK Auto-PR-Reviewer That Costs $0.03 per Review
⚠️ この記事はアフィリエイト広告（プロモーション）を含みます。リンク先で発生した収益の一部が運営者に支払われますが、読者の購入価格には一切影響ありません。 By the end of this article you will have a GitHub Actions workflow that…
Are you really doing CI/CD?
No. There's no such thing as 'CI/CD'. CI and CD are two distinct things, and you're probably not doing them either. This is Part 1: how to actually do…
Fifteen lines of Proxy to keep an SDK from breaking my CI
The Friday Vercel refused my merge Friday April 10th, late afternoon. I merge to main a Stripe integration that opens a payment webhook endpoint. Verc…