Free the Port
A decommissioned container squats on port 8080 and blocks the new release.
A intermediate Docker challenge worth 10 points. Solve it hands-on in a real Docker environment in your browser - no local setup, no fake shells.
The Challenge
Scenario: Release day. Deploying storefront on port 8080 failed — and the browser panel still shows a page marked LEGACY SYSTEM — decommissioned 2024. Save that as your "Before".
Tasks:
- Investigate:
docker ps -a— why didstorefrontfail to start? What owns 8080? - Remove the legacy container entirely (it was decommissioned a year ago)
- Start
storefront(imagestorefront:v2is built already) on 8080 → 80 - Refresh the browser panel: Storefront v2 should be live
Commands to learn: docker ps, docker rm -f, docker start, reading port-bind errors
Run check when done.