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NestJS Installation

NestJS installation ka matlab hai NestJS framework aur uski dependencies ko apne development…

Overview

NestJS Installation — Quick Facts

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Field: Detail

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Topic: NestJS Installation

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Category: Software Engineering / Setup

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Framework: NestJS (Node.js + TypeScript)

Topic 1

Infobox

📚 | Field | Detail | |---|---| | Topic | NestJS Installation | | Category | Software…

Topic 2

Prerequisites

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Node.js official website se…

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nvm recommend hai — multiple…

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LTS (Long Term Support) version…

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Verify: node --version aur npm…

Topic 3

NestJS CLI Installation

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NestJS CLI globally install karo…

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Package manager ke hisaab se…

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npm: npm install -g @nestjs/cli

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yarn: yarn global add @nestjs/cli

Topic 4

Project Creation

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nest new my-project — Interactive…

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Package manager selection: npm,…

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Project directory automatically…

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--strict — Strict TypeScript mode…

Topic 5

Generated Project Structure

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package.json — Dependencies,…

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tsconfig.json — TypeScript…

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tsconfig.build.json —…

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nest-cli.json — NestJS CLI…

Topic 6

Package Manager Options

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Beginners → npm (simplest,…

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Teams → yarn ya pnpm (faster,…

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Monorepo → pnpm ya yarn workspaces.

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CI/CD → npm ci ya pnpm install…

Topic 7

Manual Installation (Without CLI)

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CLI use nahi karna chahte ya…

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Existing Node.js project me NestJS…

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Full control milti hai lekin…

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CLI recommended hai — manual sirf…

Topic 8

Monorepo Setup

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Ek repository me multiple NestJS…

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NestJS CLI monorepo mode natively…

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nest new se standard project…

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nest generate library shared-lib…

Topic 9

Installation Flow

📚 `mermaid flowchart TD A[Check Prerequisites<br>Node.js + npm] -->…

Topic 10

Post-Installation Verification

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Project directory me jaao: cd…

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Development server start: npm run…

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Hot reload enabled — code change…

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Browser me http://localhost:3000…

Topic 11

Common Issues aur Troubleshooting

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Global install me EACCES error —…

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Windows par: Administrator…

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Linux/macOS par: sudo avoid karo,…

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Node.js version too old — NestJS…

Topic 12

IDE Setup

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NestJS development ke liye VS Code…

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Extensions: ESLint, Prettier,…

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CLI project me pre-configured aata…

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Consistent code formatting — team…

Topic 13

Challenges

🔑 1. Node.js Version Management — Different projects different Node versions chahti hain.…

Topic 14

Benefits

✨ 1. Quick Start — CLI se 2 minutes me running project. Zero manual configuration. 2.…

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Glossary

🌟 | Term | Meaning | |---|---| | CLI | Command Line Interface — terminal se commands run…

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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

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