Paths/DevOps Engineer/CI/CD / Release Pipelines
Build a Version Matrix
One pipeline, many versions. Declare a matrix strategy so every job runs once per Python version and the matrix grows without editing the file.
Validator
⏱ 0:00
IDLE — checks run live as you type commands; submit when done
01Requirements
live checks- Directory ~/ci exists○
- File ~/ci/matrix.yml exists○
- The job declares a matrix strategy○
- The matrix lists the Python versions to test○
02Walkthrough
1 of 8 revealed- 01
Create the ci directory
Every pipeline file gets its own name inside the ci folder.
mkdir ~/ci - 7 locked · each failed submit reveals one
03Stuck?
0 of 3 revealedTake a hint without losing the lab — each one points at the thing to look at, not at the answer.
04AI Tutor
guides, never solvesTell me what you're stuck on — I'll nudge, not solve. Which requirement are you looking at?
04Notebook
saved locally in this browserlearner@lab — ubuntu:24.04
Session is disposable
↑/↓ recalls commands · Ctrl+Enter submits · type help for the command list