• views: 183
• date: 21 February 2026
• posted by: 0nelove

Building GraphQL APIs with Nodejs & Nestjs 2026
What you'll learn
✓ Build production-ready GraphQL APIs from scratch using GraphQL Yoga and Node.js
✓ Design type-safe GraphQL schemas using Schema Definition Language (SDL) with proper types, queries, and mutations
✓ Implement authentication and authorization using JWT tokens, protected queries, and role-based access control
✓ Connect GraphQL APIs to databases using Prisma ORM with both SQLite (development) and PostgreSQL (production)
✓ Master GraphQL resolvers including query resolvers, mutation resolvers, and field resolvers with proper typing
✓ Handle errors gracefully with custom error classes, validation errors, and user-friendly error messages
Requirements
● Basic knowledge of jаvascript or TypeScript (variables, functions, async/await)
● Node.js installed on your computer (version 18 or higher)
● Familiarity with REST APIs is helpful but not required
● A code editor (VS Code recommended)
● Basic command line/terminal knowledge
Description
Are you ready to level up your API development skills and build modern, efficient, and scalable applications? This course takes you from a complete beginner all the way to building real, production-ready GraphQL APIs that you can use in professional projects.
Whether you are transitioning from REST or learning backend development for the first time, this course provides a clear, step-by-step learning path that focuses on real implementation—not just theory.
Why Learn GraphQL Now
GraphQL is rapidly becoming the preferred way to build APIs for modern web and mobile applications. It allows clients to request exactly the data they need, reducing unnecessary network calls and improving performance. Understanding GraphQL gives you a strong advantage as more companies adopt it in production.
What Makes This Course Different
• A true beginner-friendly approach that requires no prior GraphQL experience
• Every concept is taught through practical coding examples
• Real projects instead of guesswork and abstract explanations
• A modern tool stack used in real companies: GraphQL Yoga, TypeScript, and Prisma
• Focus on best practices that prepare you for production environments
• Designed for developers who learn best by doing
What You Will Build Throughout the Course
By the end of this program, you will have a fully functioning GraphQL server that connects to a real database and supports real-world features. Step by step, you will build
• A complete GraphQL API with queries, mutations, and custom types
• Database-backed models and resolvers using Prisma ORM
• CRUD operations for users and other data entities
• A secure authentication system built with JWT
• Protected routes and role-based authorization for users and admins
• A clean and scalable project structure suitable for real applications
• Meaningful error handling using custom error classes
Who this course is for
■ Backend developers who want to learn GraphQL and build modern APIs
■ REST API developers looking to transition from REST to GraphQL
■ Full-stack developers who want to add GraphQL skills to their toolkit
■ Node.js developers interested in exploring GraphQL Yoga as a server framework
■ TypeScript developers who want to build type-safe GraphQL APIs



   
   
   

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