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🚀 NestJS vs Express: The Real Difference

Express (Flexibility):

//app.js
const express = require('express');
const app = express();

app.get('/users', (req, res) => {
    // Some logics here
    res.json({ users: [] });
});

NestJS (Architecture):

// user.controller.ts - Built-in structure
import { Controller, Get, UseGuards } from '@nestjs/common';
import { AuthGuard } from './auth.guard';

@Controller('users')
@UseGuards(AuthGuard) // Built-in decorators
export class UsersController {
    @Get()
    getUsers() {
        return { users: [] };
    }
}

🔑 The Key Difference:

Express = You build the house (total freedom) 🏗

NestJS = You get a blueprint + tools (opinionated structure) 📐

🎯 Perfect for:

Express → Quick prototypes, small teams, full control

NestJS → Enterprise apps, large teams, TypeScript lovers

#NestJS #Express #NodeJS

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