Goodbye REST; Hello GraphQL
summary
Demo builds a working GraphQL server (Node + Express-graphql) backed by SQLite and a simple DB context, plus an Angular SPA using Apollo Client. The schema shows object types, queries and mutations, uses GraphiQL for introspection and docs, and exposes a single endpoint. Resolver code initially causes an N+1 query problem which is fixed with DataLoader batching. Covers pagination, caching and error-handling caveats (no HTTP status errors, must normalize cache or proxy) and shows the approach successfully works.
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chapters (11)
- 0:00Introduction to GraphQL
- 1:14Challenges with REST
- 4:04Analyzing API limitations
- 8:09Understanding GraphQL
- 11:17Efficiency and versioning
- 14:54Introspection and tooling
- 17:34Architecture and comparison
- 21:51Core GraphQL concepts
- 28:04Practical build demo
- 49:22Advanced considerations
- 53:56Conclusion and Q&A
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