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.$type
is a variable that represents the type of the volume, and$tmpfs
is 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
.$device
is a variable representing the device. -
--opt ${o}=${size=100m,uid=1000}
: This option sets additional parameters for the volume creation.$o
is a variable representing the options. In this case, it sets a size of 100MB and a user ID of 1000 for the volume.$size
is a variable representing the size and$uid
is 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.