"@context":
  "@vocab": https://schema.org/
  gcloud: https://cloud.google.com/container-registry/docs/
  oci: https://opencontainers.org/
  name: schema:name
  description: schema:description
  url: schema:url
  ImageManifest:
    "@id": oci:image-manifest
    "@type": schema:DigitalDocument
    schemaVersion: schema:version
    mediaType: schema:encodingFormat
    config: schema:associatedMedia
    layers: schema:hasPart
  TagList:
    "@id": gcloud:managing-images
    "@type": schema:ItemList
    name: schema:name
    tags: schema:keywords
  Layer:
    "@id": oci:image-layer
    "@type": schema:MediaObject
    mediaType: schema:encodingFormat
    size: schema:contentSize
    digest: schema:identifier