GraphQL

Schema design, queries, mutations, subscriptions, resolvers, DataLoader for N+1 prevention, authentication, and building and consuming GraphQL APIs in production.

FundamentalsTopics 1–9

·What is GraphQL?
·Schema Definition Language
·Types
·Queries
·Mutations
·Variables and Arguments
·Fragments
·Directives
·Introspection

Start Fundamentals →

IntermediateTopics 10–20

·Spring for GraphQL Setup
·Schema-first Development
·Resolvers in Depth
·Error Handling
·N+1 and DataLoader
·Authentication and Authorization
·Pagination
·Apollo Client Setup
·Queries and Mutations in React
·GraphQL Code Generator
·Subscriptions

Start Intermediate →

AdvancedTopics 21–28

·Custom Scalars
·Custom Directives
·Federation
·Query Complexity
·File Uploads
·Persisted Queries
·Testing GraphQL APIs
·Schema Stitching

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ProductionTopics 29–35

·Performance and Caching
·Security Best Practices
·Observability and Tracing
·Schema Evolution
·Rate Limiting
·Production Architecture
·GraphQL at Scale

Start Production →