Fix discovery doc dockerImageFormats, refs #15467

Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <pamstutz@veritasgenetics.com>

diff --git a/services/api/app/controllers/arvados/v1/schema_controller.rb b/services/api/app/controllers/arvados/v1/schema_controller.rb
index 9ccd73da4d96454beee088020edd5e803f510375..14abfae039a6ead9014206a9705ecdc36875247a 100644 (file)
--- a/services/api/app/controllers/arvados/v1/schema_controller.rb
+++ b/services/api/app/controllers/arvados/v1/schema_controller.rb
@@ -53,7 +53,7 @@ class Arvados::V1::SchemaController < ApplicationController
         blobSignatureTtl: Rails.configuration.Collections.BlobSigningTTL,
         maxRequestSize: Rails.configuration.API.MaxRequestSize,
         maxItemsPerResponse: Rails.configuration.API.MaxItemsPerResponse,
-        dockerImageFormats: Rails.configuration.Containers.SupportedDockerImageFormats,
+        dockerImageFormats: Rails.configuration.Containers.SupportedDockerImageFormats.keys,
         crunchLogBytesPerEvent: Rails.configuration.Containers.Logging.LogBytesPerEvent,
         crunchLogSecondsBetweenEvents: Rails.configuration.Containers.Logging.LogSecondsBetweenEvents,
         crunchLogThrottlePeriod: Rails.configuration.Containers.Logging.LogThrottlePeriod,