Build a CI Runner
Build a CI/CD runner like GitHub Actions: parse YAML workflows, expand build matrices, topologically sort job DAGs, execute steps with logs, manage artifacts and caches, handle self-hosted runners, and protect secrets. Used by every modern engineering team.
intermediate10 lessons4 chapters10 graded exercisesPython
No sign-up needed for lesson 1 · certificate on completion · sign up to save progress
What you’ll have built
Chapter by chapter. Every step is a graded exercise.
- What is CI?
- Workflow Definition
- Execution
- Production Concerns
Starts in Python — solve in the language you choose in the editor, same tests either way.
Curriculum
4 chapters, 10 lessons. Each lesson is a short read, one graded exercise, and a quiz.
- 1What is CI?Read · exercise · quiz
- 2YAML WorkflowsRead · exercise · quiz
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