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NestJS Mastery

Master the most powerful Node.js framework for building enterprise-grade applications. This comprehensive course takes you from NestJS fundamentals to advanced patterns, teaching you to build scalable, maintainable, and production-ready backend systems.
Course Duration: 10-12 weeks
Target Outcome: Senior Backend Engineer
Prerequisites: JavaScript/TypeScript, Node.js basics, REST API concepts

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What You’ll Learn

By the end of this course, you’ll be able to:
  • Build scalable REST APIs and GraphQL endpoints with NestJS
  • Implement robust authentication and authorization systems
  • Design and deploy microservices architectures
  • Write comprehensive test suites for your applications
  • Deploy production-ready applications with Docker and Kubernetes
  • Apply advanced patterns like CQRS, Event Sourcing, and WebSockets
  • Optimize performance and handle real-world production challenges

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Course Structure

1. Fundamentals

Core concepts, project setup, modules, controllers, and services

2. Dependency Injection

Deep dive into DI system, provider scopes, custom providers, and module patterns

3. Controllers & Routing

Request handling, validation, middleware, guards, interceptors, and error handling

4. Providers & Services

Service layer architecture, repository pattern, and domain-driven design

5. Database Integration

TypeORM and Prisma integration, migrations, transactions, and query optimization

6. Authentication & Authorization

JWT authentication, OAuth2, RBAC, password hashing, and security best practices

7. Testing

Unit, integration, and E2E testing strategies with mocking and CI/CD integration

8. Microservices

Building distributed systems with TCP, Redis, RabbitMQ, and event-driven patterns

9. Deployment & Production

Docker, Kubernetes, CI/CD, monitoring, logging, and production optimization

10. Advanced Patterns

CQRS, Event Sourcing, GraphQL, WebSockets, and real-world architectural patterns

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Learning Path

Recommended Learning Order: Follow the chapters sequentially. Each chapter builds on concepts from previous ones. Complete the hands-on exercises in each chapter before moving forward.

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Beginner Path (Weeks 1-4)

  • Fundamentals → Dependency Injection → Controllers & Routing → Providers & Services

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Intermediate Path (Weeks 5-7)

  • Database Integration → Authentication & Authorization → Testing

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Advanced Path (Weeks 8-12)

  • Microservices → Deployment & Production → Advanced Patterns

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Real-World Projects

Throughout this course, you’ll build:
  1. E-Commerce API - Complete REST API with authentication, product management, and order processing
  2. Social Media Backend - Real-time features with WebSockets, GraphQL, and microservices
  3. Task Management System - CQRS implementation with event sourcing and advanced patterns

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Tools & Technologies

You’ll work with:
  • NestJS - Core framework
  • TypeScript - Type-safe development
  • TypeORM & Prisma - Database ORMs
  • JWT & Passport - Authentication
  • Docker & Kubernetes - Containerization and orchestration
  • Jest - Testing framework
  • RabbitMQ & Redis - Message brokers
  • GraphQL - Query language
  • WebSockets - Real-time communication

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Getting Started

Ready to begin? Start with Chapter 1: Fundamentals to set up your development environment and build your first NestJS application.
This course assumes familiarity with JavaScript/TypeScript and basic Node.js concepts. If you’re new to TypeScript, we recommend reviewing TypeScript basics before starting.