Difficulty: Beginner
Estimated Time: 10 minutes

Learning Docker

This is a good primer on how to create a docker image and test its performance

Docker Image Creation and Performance Comparison

Step 1 of 8

Clean up images Pre-Loaded in Katacoda

List all containers that are running (only IDs)

docker ps -aq

Stop all running containers (if any are running)

docker stop $(docker ps -aq)

Remove all containers (if any are hanging)

docker rm $(docker ps -aq)

Remove all images (if any)

docker rmi $(docker images -q)

Check all images

docker image ls

Dockerfile

Creating Katacoda Scenarios

Thanks for creating Katacoda scenarios. This tab is designed to help you as an author have quick access the information you need when creating scenarios.

This tab will not be visible to users.

Here are some useful links to get you started.

Running Katacoda Workshops

If you are planning to use Katacoda for workshops, please contact [email protected] to arrange capacity.

Debugging Scenarios

Below is the response from any background scripts run or files uploaded. This stream can aid debugging scenarios.

If you still need assistance, please contact [email protected]