CI/CD: Automating Tests, Builds and Deployments
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Lesson 3 of 10 · Principles and GitHub Actions

GitHub Actions 2: matrices, cache, artifacts, secrets and environments

55 min Node.js 22 (Debian, git, npm, python3)

Objective

Move from a workflow "that works" to a professional workflow: test several versions in parallel, reduce the duration with the cache, keep reports with artifacts, handle secrets without ever exposing them, and protect production with environments.

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