Creating a Persistent Container Volume

45 minutes
  • 4 Learning Objectives

About this Hands-on Lab

A key skill when working with containers is being able to attach persistent storage to them. In this scenario, one of your clients has requested you to set up 2 MySQL container instances. They have provided you with specific configuration requirements. At the end of this lab, you will have 2 MySQL database containers running with persistent storage.

*This lab is not approved or sponsored by Red Hat.*

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Pull the Requested Container Image

Pull the docker.io/library/mysql container image from the repository to the local system.

Start the First MySQL Container

Start the first MySQL container using the pulled image. The container should be started with a shared directory from the host system. The container should be configured with the following:

a) Use a shared directory from the host. The directory name should be db_dir and map to the container as /var/lib/mysql.

b) Expose container port 3306 to localhost port 33061.

c) Set MYSQL_ROOT_PASSWORD to changeme.

Start the Second MySQL Container

Start the second MySQL container using the pulled image. The container should be started with a Podman-managed volume. The container should be configured with the following:

a) Create a Podman volume named db_vol and map this to the container as /var/lib/mysql/.

b) Expose container port 3306 to localhost port 33062.

c) Set MYSQL_ROOT_PASSWORD to changeme.

Verify the Containers and MySQL Are Running

Verify that the containers and MySQL service started properly and the MySQL files are being stored in the persistent storage.

Additional Resources

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Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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