Spring GraphQL Tutorial

📄️ Class 1: Your First GraphQL Service

Set up a Spring Boot project with GraphQL and write your first query in under 30 minutes

Master GraphQL types, scalars, enums, and schema design best practices

Master nested queries, field resolvers, and the art of connecting related data

Learn to create, update, and delete data with GraphQL mutations

Solve the notorious N+1 problem with batching and caching strategies

Handle errors gracefully with custom exceptions, validation, and partial responses

Build real-time features with GraphQL Subscriptions and WebSockets

Secure your GraphQL API with authentication, authorization, and field-level permissions

Write comprehensive tests for queries, mutations, and subscriptions

Implement cursor-based pagination and flexible filtering for large datasets

Create custom scalar types and handle file uploads in GraphQL

Prepare your GraphQL API for production with monitoring, caching, and best practices