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NestJS notes for developers

Master NestJS with a curated set of 4 developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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NestJS

Modules, Controllers & Services

Modules, Controllers & Services NestJS Architecture NestJS organizes code into Modules. Each module groups related Controllers (handle HTTP) and Providers/Servi

NestJS

DI, Guards & Interceptors

DI, Guards & Interceptors Dependency Injection // Standard injection via constructor @Injectable() export class OrdersService { constructor( private readonly us

NestJS

Database & Auth

Database & Auth TypeORM Setup // app.module.ts import { TypeOrmModule } from '@nestjs/typeorm'; @Module({ imports: [ TypeOrmModule.forRootAsync({ imports: [Conf

NestJS

Interview Questions

NestJS Interview Questions Q: What is NestJS and what problem does it solve? NestJS is a Node.js framework for building scalable server-side applications. It so

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