Introducing GraphQL Subscription with Relay and graphql-ruby (use Action Cable as the backend). See Also: * http://facebook.github.io/graphql/draft/ * http://graphql-ruby.org/subscriptions/overview.html * https://facebook.github.io/relay/docs/en/subscriptions.html * https://speakerdeck.com/hibariya/building-a-web-api-with-graphql * https://blog.ably.io/rails-5-actioncable-the-good-and-bad-parts-1b
![GraphQL Subscription with Relay and Action Cable](https://cdn-ak-scissors.b.st-hatena.com/image/square/50dcc4e77e34aad495d6c5aec55aa2b2ac9a5d51/height=288;version=1;width=512/https%3A%2F%2Ffiles.speakerdeck.com%2Fpresentations%2F0918832abd874b7aa920629789950518%2Fslide_0.jpg%3F9294552)