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NestJS Architecture

NestJS architecture ek modular, layered, aur dependency-injection-driven architecture hai jo…

Overview

NestJS Architecture — Quick Facts

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Field: Detail

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Topic: NestJS Architecture

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Category: Software Architecture / Backend…

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Pattern: Modular + Layered + DI-driven

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Infobox

🏗️ | Field | Detail | |---|---| | Topic | NestJS Architecture | | Category | Software…

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Architecture Overview

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Application modules me divided…

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Modules self-contained hain — apne…

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Root module (AppModule) se…

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Controller Layer — HTTP requests…

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Module System

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Har domain feature ek module:…

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Module apne controllers aur…

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Dusre modules se services use…

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Common functionality jo multiple…

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Architecture Layers

⚙️ | Layer | Responsibility | Components | Depends On | |---|---|---|---| | Presentation |…

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Request Pipeline

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Middleware — generic…

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Guard — access control gate. Fail…

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Interceptor (before) —…

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Pipe — data…

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Dependency Injection Container

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Standard — Class-based providers.…

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Value — Fixed value provide karo.…

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Factory — Function se provider…

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Existing — Alias — ek provider ko…

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Architecture Patterns

🌐 MVC (Model-View-Controller) NestJS naturally MVC follow karta hai: Model (entities/DTOs),…

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Module Organization Strategies

🔗 By Feature (Recommended) ` src/ user/ → UserModule (controller + service + entities)…

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Monolith se Microservices

🏗️ NestJS architecture ka ek strength yeh hai ke modular monolith naturally microservices me…

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Challenges

📐 1. Initial Complexity — Beginners ke liye modules + DI + decorators + pipeline ek saath…

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Benefits

🔧 1. Enforced Structure — Team me 10 developers hain to sab same structure follow karenge.…

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Glossary

⚙️ | Term | Meaning | |---|---| | Module | Self-contained feature unit jo controllers +…

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Disclaimer

🏛️ Yeh article Aliens Wiki ke liye likha gaya hai, Hinglish (Roman) me. Yeh informational…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

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Quick Quiz

Quiz — Question 2

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Complete! 🎉

NestJS Architecture Complete!

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