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0+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes .
GraphQL with Go using gqlgen is the idiomatic approach for Go GraphQL servers — schema-first code generation over runtime reflection. This module covers gqlgen's schema-first workflow (.graphql schema → generated Go types and resolver interfaces), writing resolver implementations (the generated Resolver struct, wiring to your service layer), the N+1 problem in GraphQL (a query for 100 users with their posts triggers 101 queries without dataloaders), the dataloader pattern (batching and caching per-request with graph-gophers/dataloader), GraphQL subscriptions over WebSockets in Go (the subscription resolver, concurrent writes to the subscription channel), and the architecture question every GraphQL interview asks: 'when would you choose GraphQL over REST?' and 'what are the security risks specific to GraphQL that you need to mitigate in a Go server?' (depth limiting, complexity analysis, introspection disabling in production).
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