Node.js


์„œ๋ฌธ

Node.js๋Š” ํ˜„๋Œ€ ์›น ๊ฐœ๋ฐœ์˜ ์ค‘์š”ํ•œ ์ „ํ™˜์  ์ค‘ ํ•˜๋‚˜๋กœ, ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋ฅผ ํด๋ผ์ด์–ธํŠธ ์ธก์—์„œ ์„œ๋ฒ„ ์ธก์œผ๋กœ ํ™•์žฅํ•œ ๊ธฐ์ˆ ์ด๋‹ค. 2009๋…„, Ryan Dahl์ด ์ฒ˜์Œ ๋ฐœํ‘œํ•œ ์ด๋ž˜๋กœ, Node.js๋Š” ์›น ์„œ๋ฒ„, ๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค, ์‹ค์‹œ๊ฐ„ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜, ๊ทธ๋ฆฌ๊ณ  ๋‹ค์–‘ํ•œ ๋„คํŠธ์›Œํฌ ๊ธฐ๋ฐ˜ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ฐœ๋ฐœ์— ์žˆ์–ด ํ‘œ์ค€ ๋„๊ตฌ๋กœ ์ž๋ฆฌ ์žก์•˜๋‹ค. ์ด ์ฑ…์€ Node.js์˜ ๊ธฐ๋ณธ ์›๋ฆฌ๋ถ€ํ„ฐ ๊ณ ๊ธ‰ ๊ฐœ๋…๊นŒ์ง€ ํฌ๊ด„์ ์œผ๋กœ ๋‹ค๋ฃจ์–ด, ์ดˆ๋ณด์ž๋ถ€ํ„ฐ ์ „๋ฌธ๊ฐ€๊นŒ์ง€ ๋ชจ๋“  ๋…์ž๋“ค์ด Node.js๋ฅผ ๊นŠ์ด ์ดํ•ดํ•˜๊ณ  ์‹ค๋ฌด์— ํ™œ์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก ๋•๊ณ ์ž ํ•œ๋‹ค.

์ด ์ฑ…์˜ ๋ชฉํ‘œ์™€ ๊ตฌ์„ฑ

์ด ์ฑ…์˜ ๋ชฉํ‘œ๋Š” Node.js๋ฅผ ์ฒ˜์Œ ์ ‘ํ•˜๋Š” ์‚ฌ๋žŒ๋“ค๋ถ€ํ„ฐ ์ด๋ฏธ ์‚ฌ์šฉ ์ค‘์ธ ์ „๋ฌธ๊ฐ€๋“ค๊นŒ์ง€ ๋ชจ๋‘๋ฅผ ์œ„ํ•œ ํฌ๊ด„์ ์ธ ๊ฐ€์ด๋“œ๊ฐ€ ๋˜๋Š” ๊ฒƒ์ด๋‹ค. ์ด๋ฅผ ์œ„ํ•ด ์ด ์ฑ…์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ตฌ์กฐ๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ๋‹ค.

Node.js์˜ ๊ธฐ์ดˆ: Node.js์˜ ๊ธฐ๋ณธ ๊ฐœ๋…, ์„ค์น˜ ๋ฐ ์„ค์ • ๋ฐฉ๋ฒ•, ๊ฐ„๋‹จํ•œ ์˜ˆ์ œ๋ฅผ ํ†ตํ•ด Node.js์˜ ๊ธฐ๋ณธ ๊ตฌ์กฐ๋ฅผ ์ดํ•ดํ•œ๋‹ค. ์‹ฌํ™” ๊ฐœ๋…: ๋น„๋™๊ธฐ ํ”„๋กœ๊ทธ๋ž˜๋ฐ, ์ด๋ฒคํŠธ ๋ฃจํ”„, ์ŠคํŠธ๋ฆผ, ๋ฒ„ํผ ๋“ฑ์˜ ๊ณ ๊ธ‰ ๊ฐœ๋…์„ ๋‹ค๋ฃฌ๋‹ค. ์‹ค๋ฌด ์ ์šฉ: RESTful API ์„œ๋ฒ„, ์‹ค์‹œ๊ฐ„ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜, ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์—ฐ๋™, ํ…Œ์ŠคํŠธ ๋ฐ ๋ฐฐํฌ์™€ ๊ฐ™์€ ์‹ค๋ฌด ์˜ˆ์ œ๋ฅผ ํ†ตํ•ด Node.js๋ฅผ ์‹ค์ œ ํ”„๋กœ์ ํŠธ์— ์ ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋ฐฐ์šด๋‹ค. ์ตœ์ ํ™” ๋ฐ ๋ณด์•ˆ: ์„ฑ๋Šฅ ์ตœ์ ํ™” ๊ธฐ๋ฒ•, ๋ณด์•ˆ ๊ณ ๋ ค์‚ฌํ•ญ ๋“ฑ์„ ๋‹ค๋ฃจ์–ด ์•ˆ์ „ํ•˜๊ณ  ํšจ์œจ์ ์ธ Node.js ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ๋งŒ๋“œ๋Š” ๋ฐฉ๋ฒ•์„ ํ•™์Šตํ•œ๋‹ค.

๋…์ž์—๊ฒŒ ๋“œ๋ฆฌ๋Š” ๋ง์”€

์ด ์ฑ…์„ ํ†ตํ•ด Node.js์˜ ๊ฐ•๋ ฅํ•จ๊ณผ ์œ ์—ฐ์„ฑ์„ ์ง์ ‘ ์ฒดํ—˜ํ•˜๊ณ , ์ด๋ฅผ ํ™œ์šฉํ•œ ๋‹ค์–‘ํ•œ ํ”„๋กœ์ ํŠธ๋ฅผ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ๋Šฅ๋ ฅ์„ ๊ฐ–์ถ”๊ฒŒ ๋˜๊ธธ ๋ฐ”๋ž€๋‹ค. Node.js๋Š” ๋‹จ์ˆœํžˆ ๋„๊ตฌ๋ฅผ ๋„˜์–ด, ๊ฐœ๋ฐœ์ž๋“ค์—๊ฒŒ ์ƒˆ๋กœ์šด ๊ฐ€๋Šฅ์„ฑ๊ณผ ์ฐฝ์˜์ ์ธ ํ•ด๊ฒฐ์ฑ…์„ ์ œ๊ณตํ•˜๋Š” ํ”Œ๋žซํผ์ด๋‹ค. ์—ฌ๋Ÿฌ๋ถ„์˜ ์†๋์—์„œ ํƒ„์ƒํ•  ํ˜์‹ ์ ์ธ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ๊ธฐ๋Œ€ํ•˜๋ฉฐ, ์ด ์ฑ…์ด ๊ทธ ์—ฌ์ •์— ์œ ์šฉํ•œ ๊ธธ์žก์ด๊ฐ€ ๋˜๊ธฐ๋ฅผ ํฌ๋งํ•œ๋‹ค.

Node.js์˜ ์„ธ๊ณ„์— ์˜ค์‹  ๊ฒƒ์„ ํ™˜์˜ํ•œ๋‹ค. ์ด์ œ ๊ทธ ์—ฌ์ •์„ ์‹œ์ž‘ํ•ด๋ด…์‹œ๋‹ค.


Foreword

Node.js is one of the significant turning points in modern web development, extending JavaScript from the client side to the server side. Since its initial release by Ryan Dahl in 2009, Node.js has become a standard tool for developing web servers, microservices, real-time applications, and various network-based applications. This book comprehensively covers everything from the basic principles of Node.js to advanced concepts, aiming to help all readers, from beginners to experts, deeply understand and practically utilize Node.js.

The Objective and Structure of This Book

The goal of this book is to serve as a comprehensive guide for everyone, from those new to Node.js to seasoned professionals already using it. To achieve this, the book is structured as follows:

Basics of Node.js: Understand the fundamental concepts, installation, and setup of Node.js through simple examples that explain its basic structure. Advanced Concepts: Delve into advanced topics such as asynchronous programming, the event loop, streams, and buffers. Practical Application: Learn how to apply Node.js to real projects through practical examples like RESTful API servers, real-time applications, database integration, testing, and deployment. Optimization and Security: Study performance optimization techniques and security considerations to build safe and efficient Node.js applications.

A Message to the Readers

Through this book, I hope you will experience the power and flexibility of Node.js firsthand and acquire the skills to undertake various projects using this technology. Node.js is more than just a tool; it is a platform that offers developers new possibilities and creative solutions. I look forward to seeing the innovative applications that will come to life from your fingertips, and I hope this book will be a valuable guide on your journey.

Welcome to the world of Node.js. Let's begin this journey.

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