
CI/CD with GitHub Actions: A Pipeline That Actually Catches Bugs
Build a practical GitHub Actions pipeline from scratch — linting, tests, caching, matrix builds, and safe deploys — with the gotchas that waste an afternoon if you don't know them.
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Build a practical GitHub Actions pipeline from scratch — linting, tests, caching, matrix builds, and safe deploys — with the gotchas that waste an afternoon if you don't know them.

A practical guide to testing JavaScript and TypeScript with Vitest — unit tests, mocking, async testing, coverage, and how to write tests that catch regressions instead of just inflating a number.