GraphQL Development
Build flexible GraphQL APIs with queries, mutations, and subscriptions. Schema design, resolvers, and real-time data for modern applications.
GraphQL Development
Build flexible, efficient APIs with GraphQL for modern applications.
Why GraphQL?
- Flexible Queries: Request exactly the data you need
- Single Endpoint: One endpoint for all operations
- Strong Typing: Schema-first development
- Real-time: Built-in subscription support
- Introspection: Self-documenting APIs
What We Build
- Schema Design: Well-structured, maintainable schemas
- Queries: Efficient data fetching
- Mutations: Data modification operations
- Subscriptions: Real-time updates
- Federation: Distributed GraphQL services
GraphQL Features
Schema Design
type User {
id: ID!
name: String!
email: String!
posts: [Post!]!
}
type Post {
id: ID!
title: String!
content: String!
author: User!
}
type Query {
user(id: ID!): User
users: [User!]!
posts: [Post!]!
}
type Mutation {
createUser(input: CreateUserInput!): User!
updateUser(id: ID!, input: UpdateUserInput!): User!
}Resolvers
- Efficient data loading
- N+1 query prevention (DataLoader)
- Error handling
- Authorization logic
Subscriptions
- WebSocket connections
- Real-time updates
- Pub/Sub patterns
- Connection management
Performance Optimization
Query Complexity
- Depth limiting
- Complexity analysis
- Query cost calculation
- Rate limiting
Caching
- Response caching
- Dataloader for batching
- Redis integration
- CDN caching
Security
- Authentication integration
- Field-level authorization
- Input validation
- Query depth limits
- Persisted queries
Tools & Technologies
- Servers: Apollo Server, GraphQL Yoga, Mercurius
- Clients: Apollo Client, urql, Relay
- Schema: GraphQL Code Generator
- Testing: Apollo Testing, GraphQL Playground
- Federation: Apollo Federation, GraphQL Mesh
Use Cases
- Mobile Apps: Efficient data fetching for limited bandwidth
- Dashboards: Complex data requirements
- E-commerce: Product catalogs with relationships
- Social Platforms: User connections and feeds
- Real-time Apps: Live updates and notifications
Integration with Existing APIs
- REST to GraphQL wrappers
- Database-backed schemas
- Microservices federation
- Legacy system integration
Development Process
- Schema Design: Define types and operations
- Resolver Implementation: Build data fetching logic
- Testing: Comprehensive query testing
- Documentation: Auto-generated docs
- Deployment: CI/CD and monitoring
Get Started
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