API Modernization with GraphQL

on YouTube ↗38m

" summary

Explains how AWS AppSync turns many backends into a single GraphQL endpoint so clients stop over‑fetching and eliminate round trips; demos show React Native + DynamoDB queries, WebSocket subscriptions for live updates, and mutations that fan out without client polling. Covers resolver choices: pipeline resolvers for sequential multi‑source joins and direct Lambda resolvers for business logic, plus mixed auth modes (API key, Cognito, OIDC, IAM). Claims include Sky Italia cutting real‑time latency from minutes to milliseconds and a 15× cost drop; Peacock serves 26 million signups.

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" chapters (14)

1. 0:00Start
2. 0:43Why Modernization
3. 1:37What Is Graphql
4. 2:38What Graphql Is
5. 6:34How Graphql Endpoint Works
6. 9:10Graphql Concepts
7. 10:30Subscriptions
8. 11:29Selection Set
9. 13:04Graphql
10. 16:46Graphql in Aws Efficiency
11. 17:31Unit Resolvers
12. 18:22Hybrid Pipeline Resolver
13. 18:40Direct Lambda Resolvers
14. 22:28Real-Time Graphql Subscription

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