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NestJS Fundamentals🎓

Intermediate→Advanced

NestJS 11.1

Deep dive into the architectural concepts of NestJS. Understand how Dependency Injection, Modules, and Lifecycle events work under the hood.

5

Sections

20

Lessons

22

Challenges

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20 lessons and 22 challenges, all 100% free.

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Custom Providers

Asynchronous Providers

Mocking with useValue(Sign in required)

Intermediate+20 Mana

Injection Scopes

Async Factory Providers(Sign in required)

Intermediate+20 Mana

Optional Dependencies & Tokens

Scope Bubbling(Sign in required)

Intermediate+20 Mana

Provider Types and Use Cases(Sign in required)

Intermediate+20 Mana

Dynamic Modules

Circular Dependency

Dynamic Module Method(Sign in required)

Intermediate+20 Mana

Resolving Circular Dependencies(Sign in required)

Intermediate+20 Mana

Module Reference

Module Registration Steps(Sign in required)

Intermediate+20 Mana

Global Module Behavior(Sign in required)

Intermediate+20 Mana

Lifecycle Events

Lifecycle Initialization Hook(Sign in required)

Intermediate+20 Mana

Lifecycle Hook Count(Sign in required)

Intermediate+20 Mana

NestJS Execution Context: Guards, Interceptors & Pipes

Creating a Test Module(Sign in required)

Intermediate+20 Mana

Platform Agnosticism

Execution Context Type(Sign in required)

Advanced+30 Mana

ExecutionContext Methods(Sign in required)

Advanced+30 Mana

Repository Pattern

Repository Pattern Benefit(Sign in required)

Intermediate+20 Mana

Domain-Driven Design Basics

CQRS Commands(Sign in required)

Intermediate+20 Mana

Value Object Properties(Sign in required)

Intermediate+20 Mana

Clean Architecture

Value Object Characteristic(Sign in required)

Advanced+30 Mana

Clean Architecture Layers(Sign in required)

Advanced+30 Mana

Domain Error Hierarchy

Exponential Backoff(Sign in required)

Intermediate+20 Mana

When to Retry(Sign in required)

Advanced+30 Mana

Graceful Degradation

Circuit Breaker States(Sign in required)

Advanced+30 Mana

Error Logging & Monitoring

Correlation ID Purpose(Sign in required)

Intermediate+20 Mana

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20 interactive lessons and 22 hands-on challenges — learn in VS Code, Cursor, or the web.