docker:tldr:92128
This command is used to create a Docker volume with specific options.
Here is the breakdown of each part:
-
docker volume create: This is the base command to create a Docker volume. -
--opt ${type}=${tmpfs}: This specifies an option for the volume creation.$typeis a variable that represents the type of the volume, and$tmpfsis a variable that holds the valuetmpfs. This option sets the type of the volume totmpfs. -
--opt ${device}=${tmpfs}: Similar to the previous option, this sets the device of the volume totmpfs.$deviceis a variable representing the device. -
--opt ${o}=${size=100m,uid=1000}: This option sets additional parameters for the volume creation.$ois a variable representing the options. In this case, it sets a size of 100MB and a user ID of 1000 for the volume.$sizeis a variable representing the size and$uidis a variable representing the user ID. -
${volume_name}: This is the name of the volume you want to create. It can be a custom name defined by the user.
Overall, this command creates a Docker volume with the specified options, such as setting the type and device to tmpfs, and the size and user ID for the volume.