Power real-time serverless applications with GraphQL and AWS AppSync

on YouTube ↗34m

" summary

AWS AppSync provides a GraphQL runtime that connects multiple data sources with single WebSocket with multiple subscriptions and supports CPU-less resolvers, VTL pipeline and direct Lambda resolvers. The demo builds a serverless chat that delivers messages then updates thumbnails via a Lambda-processed update, showing subscriptions trigger on create and update and work without polling. AppSync claims scale to millions of clients, multi-auth (API Key, Cognito, OIDC, IAM) and customer wins like Sky decreases propagation from minutes to milliseconds and Peacock 26M signups.

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" chapters (19)

1. 0:00Introduction
2. 1:03What is GraphQL
3. 6:20GraphQL Query Language
4. 7:38Selection Set
5. 8:49GraphQL API
6. 9:36AppSync
7. 10:11How AppSync works
8. 10:57AppSync implementation
9. 11:46Resolvers
10. 13:32Direct Lambda Resolvers
11. 14:12AWS AppSync
12. 15:14API Key
13. 16:10Cognito User Pool
14. 16:55OpenID Connect
15. 17:42AWS IAM
16. 18:13Multi Authorization
17. 19:26GraphQL Subscriptions
18. 22:10Subscriptions Demo
19. 30:41AppSync Examples

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