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Docker · hands-on lab

Docker Lab 24: Image Hygiene, Export and Import

Compare save/load with export/import, flatten a container file system, inspect image metadata and remove images in use.
Create an account to start Use or ask for a voucher
  • 35 minutesTime in the lab
  • IntermediateLevel
  • 4 tasksChecked automatically
  • CertificateVerifiable link when you finish

The situation

You move a configured container to an offline machine and keep the build host clean.

What you will do

  1. Guided exercise: Export a container
  2. Guided exercise: Import as an image
  3. Lab: Remove an image that is in use
  4. save vs exportquestion

How it works

The lab opens in your browser: a real terminal or desktop, nothing to install. Work through the tasks, press Check after each one and the portal verifies your work. Stuck? Ask for a hint. Finish every task and you get a certificate page with its own verification link for LinkedIn or your CV.