Hi, Google Cloud CDN cannot be used with App Engine Standard / Flexible. This service can only store and deliver content from Compute Engine or Cloud Storage [1]. However, a post from a Product Manager on this page [2] suggests that this functionality might be added in the future.
[1] https://cloud.google.com/cdn/docs/overview [2] https://googlecloudplatform.uservoice.com/forums/302598-app-engine/suggestions/18718192-allow-cloud-cdn-with-app-engine-flexible-environme -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/afd19d13-f597-4be6-a6a0-951a629bea44%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.