Paths/DevOps Engineer/Docker / Cleanup & Lifecycle
Clean Up Containers and Images
Leftover containers and images eat disk on every real machine. Stop the running app, remove its container, then remove the image itself — and prove it's gone.
Validator
⏱ 0:00
IDLE — checks run live as you type commands; submit when done
01Requirements
live checks- No container from app:latest is running○
- Image app:latest has been removed locally○
02Walkthrough
1 of 6 revealed- 01
List what's running
docker ps shows the containers you started in earlier tasks. Note the container ID of the app container.
docker ps - 5 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 — docker:24
Session is disposable
↑/↓ recalls commands · Ctrl+Enter submits · type help for the command list