CI/CD from Scratch
A complete, beginner-to-advanced course on CI/CD with GitHub Actions.
Learn CI/CD from the ground up: what it is, how pipelines work, and how to build, test, containerize, and deploy real projects with GitHub Actions - then make them fast, cheap, and reliable. A free, structured course you can follow lesson by lesson.
Module 8 - Speed, cost & reliability
Make pipelines fast, cheap, and self-healing.
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GitHub ActionsWorkflow, runner, and YAML errors - diagnosed and fixed.
Node.js & npmnpm, yarn, and pnpm failures in CI - solved.
DockerBuild, run, compose, and registry errors - explained.
Pythonpip, poetry, venv, and pytest failures - fixed.
Java & JVMMaven, Gradle, and JVM failures in CI - resolved.
GoGo build, module, and test failures - diagnosed.