The meta instruction sets the metadata value for the output image.

meta <name>="<value>"

Standard metadata properties are listed below:

  • Title
  • Description
  • Publisher
  • Website
  • Version

Additionally, metadata can be used to control namespace, name, and tag of the output image.

Custom metadata can be specified using other name-value pairs.

# Add a title
meta title="application name"

meta namespace="organization"
meta name="application"
meta tag="0.1"

# Add custom metadata
meta internal-name="new-name"