Skip to content

graphql-api.md

Latest commit

 

History

History
122 lines (102 loc) · 3.01 KB

graphql-api.md

File metadata and controls

122 lines (102 loc) · 3.01 KB

GraphQL API with Apollo Server

Build a production-ready GraphQL API with Apollo Server.

Overview

A type-safe GraphQL API using Apollo Server with TypeScript. Features schema-first design, authentication, data loaders for N+1 query prevention, subscriptions for real-time updates, and comprehensive error handling.

Features

  • Apollo Server 4 with Express
  • Schema-first development
  • TypeScript code generation
  • JWT authentication
  • DataLoader for batching
  • Real-time subscriptions
  • Input validation
  • Custom directives
  • Query complexity analysis
  • Prisma database integration

Tasks

Task 1: Project Setup

  • Initialize Node.js project with TypeScript
  • Install Apollo Server and dependencies
  • Configure code generation
  • Set up folder structure
  • Configure environment variables

Task 2: Schema Design

  • Create base schema with Query and Mutation types
  • Define User type and operations
  • Define Post type and operations
  • Define Comment type and operations
  • Add input types and enums

Task 3: Database Setup

  • Install and configure Prisma
  • Create database models
  • Set up migrations
  • Add seed data
  • Create Prisma client instance

Task 4: Resolvers

  • Create User resolvers
  • Create Post resolvers
  • Create Comment resolvers
  • Add relationship resolvers
  • Implement pagination (cursor-based)

Task 5: Authentication

  • Create auth schema (login, register mutations)
  • Implement JWT token handling
  • Build auth context
  • Create auth directive
  • Add role-based authorization

Task 6: DataLoaders

  • Create user data loader
  • Create post data loader
  • Integrate loaders with context
  • Prevent N+1 queries

Task 7: Subscriptions

  • Set up WebSocket server
  • Create subscription types
  • Implement pub/sub for posts
  • Add real-time comment notifications

Task 8: Validation & Error Handling

  • Create custom error types
  • Add input validation
  • Implement error formatting
  • Add query complexity limits

Task 9: Testing

  • Set up testing environment
  • Write resolver unit tests
  • Write integration tests
  • Test subscriptions

Task 10: Documentation & Tooling

  • Enable GraphQL Playground
  • Add query examples
  • Document custom directives
  • Create introspection guards for production

Tech Stack

  • Node.js
  • Apollo Server 4
  • TypeScript
  • GraphQL
  • Prisma
  • PostgreSQL
  • GraphQL Code Generator
  • DataLoader
  • graphql-ws
  • Jest

Files to Create

  • src/index.ts
  • src/schema/index.ts
  • src/schema/user.graphql
  • src/schema/post.graphql
  • src/schema/comment.graphql
  • src/resolvers/index.ts
  • src/resolvers/user.resolver.ts
  • src/resolvers/post.resolver.ts
  • src/resolvers/comment.resolver.ts
  • src/context.ts
  • src/dataloaders/index.ts
  • src/dataloaders/user.loader.ts
  • src/directives/auth.directive.ts
  • src/lib/prisma.ts
  • src/lib/jwt.ts
  • src/lib/pubsub.ts
  • prisma/schema.prisma
  • codegen.yml
  • .env.example