docker:tldr:4a0a1

The command "docker volume create ${volume_name}" is used to create a new Docker volume with a specific name, where ${volume_name} is a placeholder for the actual name you want to give to the volume.

Docker volumes are a way to persistently store data outside of a container. They are separate from the container itself and can be shared among multiple containers.

Here's how the command works:

• "docker" is the command-line tool for managing Docker containers and resources.
• "volume" is a subcommand that deals specifically with Docker volumes.
• "create" is an option under the "volume" subcommand that is used to create a new volume.
• "${volume_name}" is a placeholder representing the name you want to assign to the volume. You should replace it with an actual name without the curly braces.

For example, if you want to create a volume with the name "mydata", you would run the command: "docker volume create mydata".

Once the volume is created, you can use it when running containers by specifying its name as a mounting point for persistently storing data.