+ # List of supported Docker Registry image formats that compute nodes
+ # are able to use. `arv keep docker` will error out if a user tries
+ # to store an image with an unsupported format. Use an empty array
+ # to skip the compatibility check (and display a warning message to
+ # that effect).
+ #
+ # Example for sites running docker < 1.10: ["v1"]
+ # Example for sites running docker >= 1.10: ["v2"]
+ # Example for disabling check: []
+ docker_image_formats: ["v2"]
+