Running Your First Docker Container

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Running Your First Docker Container

Welcome to your first challenge in *The Quest for More Yummies*. In this hands-on lab, we are tasked with preparing our environment for maximum snack acquisition for the people of SpaceBones by installing Docker and then acquiring images from DockerHub.

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Lab Info

Level

Beginner

Last updated

Sep 07, 2025

Duration

30m

Challenge

Install Docker from the Default CentOS 7 Repository
After logging into the server, install the latest version of Docker using yum:
```
sudo yum -y install docker
```
Challenge

Set User Permissions

Drop down to root. Create a new group named docker, and then add the cloud_user user to the group.
Challenge

Enable and Start Docker Service
Once installation completes, enable and start the service using systemd.

Log out of root and cloud_user, and then log back in:
```
ssh cloud_user@<PUBLIC IP>
```
Challenge

Run the `hello-world` Container Image

After starting and enabling Docker, run the hello-world container image to verify installation.
Challenge

Pull Images
After getting a valid return message from the hello-world image, pull the following images into your Docker repository to prepare for the next exercise.
- 06kellyjac/nyancat
- jeremy646/doge

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