Overview

GraphQL with Python for Beginners is the complete, modern, hands-on guide for anyone who wants to build real GraphQL APIs using today's most powerful Python frameworks. Designed for absolute beginners, self-taught developers, and professionals moving from REST to GraphQL, this book takes you step-by-step from core concepts to deploying a fully working, production-ready GraphQL API. You'll learn how to build fast, scalable, async GraphQL backends using FastAPI, Strawberry, and Ariadne-the three most important frameworks for Python GraphQL development in 2025. Every chapter is practical and project-driven, with clear examples, structured workflows, and real code that you can run immediately. Across the book, you will master the tools and practices that modern API developers rely on today: AsyncIO, Pydantic, SQLAlchemy 2.0 Async ORM, Dataloaders for N+1 prevention, JWT authentication, role-based access control, pagination, validation, caching, logging, testing, and Docker deployment. Nothing abstract-everything real, relevant, and ready to use. You won't just learn GraphQL. You'll build it. Inside, you'll discover how to: Understand the core GraphQL model: schemas, queries, mutations, subscriptions, types and resolvers Build modern async GraphQL APIs using FastAPI + Strawberry Use Ariadne for schema-first GraphQL design and SDL workflows Model real databases with SQLAlchemy 2.0 Async, relationships, and migrations Prevent N+1 performance issues with aiodataloader Implement secure API authentication using JWTs and enforce RBAC Add pagination, filtering, and query optimization to large datasets Apply caching with Redis for performance-critical fields Write robust tests, logs, and error handlers for production environments Package and deploy your GraphQL API using Docker, Uvicorn, and environment-based settings Build a complete end-to-end project combining all features into a real application Each chapter includes a Practice Lab so you learn by doing, not by reading. At the end of the book, you'll build a full-stack, production-ready GraphQL backend-from schema design to deployment-giving you skills you can use in real workplaces and real projects. Whether you're new to GraphQL, improving your Python API skills, or upgrading legacy REST systems, this book gives you everything you need to design modern, efficient and scalable APIs from scratch. Master GraphQL. Master modern Python APIs. Build real projects that work.

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