Phase 9 · API Design
ProjectsGraphQL API
Part of the Backend Developer Roadmap.
Summary
A GraphQL API for a real domain (e.g. a bookstore or blog) — practice for schema design, resolvers, and handling nested/related data efficiently.
How to Learn This
- 1Design a schema covering at least two related types with nested queries.
- 2Implement a mutation alongside your queries, e.g. create a review.
- 3Add DataLoader to batch and cache resolver calls, avoiding N+1 queries.
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