Resolvers are where GraphQL magic happens - and where most bugs lurk. After years of debugging production resolvers at 2 AM, I've collected these dark arts. Use them wisely.
Your Spring GraphQL API works locally. Now let's make it production-ready with proper configuration, monitoring, security hardening, and operational best practices.
JPA entities and GraphQL types serve different purposes. Learn how to map between them efficiently while avoiding common pitfalls like lazy loading exceptions.
A well-designed schema is the foundation of a great GraphQL API. Learn patterns for organizing, evolving, and maintaining schemas in enterprise Spring applications.
Returning thousands of records in a single query is a recipe for disaster. Learn cursor-based pagination, filtering, and sorting patterns in Spring GraphQL.
Your GraphQL API exposes your entire data graph. Learn how to protect it with Spring Security, from authentication to field-level authorization.
Confidence in your GraphQL API comes from comprehensive testing. Learn unit testing, integration testing, and testing best practices for Spring GraphQL.
The N+1 problem can turn your elegant GraphQL API into a database nightmare. Learn how Spring GraphQL's batch loading solves this efficiently.
Push live updates to clients with GraphQL subscriptions. Build a real-time notification system using Spring GraphQL and WebSocket.
Errors happen. The question is: how do you communicate them to clients? Learn to transform cryptic exceptions into actionable GraphQL errors.