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Core Architecture

Module Controller Provider service Dependency injection Custom provider token Global module Lifecycle hooks Configuration module

Request Pipeline

Route parameters Query parameters Request body DTO ValidationPipe Custom pipe Guard Interceptor Exception filter

Data and Messaging

TypeORM repository Prisma service integration Mongoose model Transactions service pattern EventEmitter WebSocket gateway Microservice message pattern Cron scheduling

API Production

REST versioning Swagger decorators CORS configuration Helmet middleware Rate limiting File upload interceptor JWT auth guard Testing module

NestJS / Request Pipeline

Route parameters

Learn Route parameters in NestJS through a focused explanation, a topic-specific example, an engineering warning, and a mastery check.

12 min read • Intermediate

nestjs-009.ts

typescript

@Get(":id") one(@Param("id") id:string){ return {id}; }

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

Route parameters Mastery Check →

Configuration module

Query parameters