An introduction to Node.js

1. Intro to node.js
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2. Core Concepts
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3. Why Node?
● Asynchronous
● Robust
● Blazingly FAST
● Javascript / Browserify
● Largest growth year over year
● Largest frontend tool belt
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4. Asynchronous
● Event Based Development
● Real Time Applications
● Single Threaded
● Non Blocking I/O
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5. Robust
● Very small footprint / stack
● Hundreds thousand production installations
● Easily Scalable
● Every major company is deploying node
○ Yahoo
○ Paypal
○ eBay
○ LinkedIn
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6. Blazingly Fast
● Superior V8 engine under the hood
● 2x speed compared to Threaded langs
○ PHP
○ Java
○ Ruby
● Wins both in RPS and Response Time
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7. Why Blazingly Fast
source: http://strongloop.com/strongblog/node-js-is-faster-than-java/
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8. Javascript & Browserify
● Javascript is the Lingua Franca of the web
● Huge & Growing developer pool
● Minimum context switching for back / front
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9. Largest Growth
● 95k NPM Modules
● Grows at 159m/day
● Second is Maven with 73/d
source: http://www.modulecounts.com/
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10. Largest Frontend Tool Belt
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11. A Quick Look Under the Hood
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12. Philosophy
● No Frameworks
● Small reusable libraries
● NPM
● Open Source
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13. A Typical Node Web App
Core HTTP ExpressJS Your App
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14. Middleware Pattern
HTTP Request
Express JS
Matched Route
CORS Middleware
CSRF Middleware
Auth Middleware
Main Task
HTTP Response
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15. Thank you!
Thanasis Polychronakis
@thanpolas
thanpolas@gmail.com
#SKGNode
Meetup Group: http://bit.ly/skgnode
Slides: http://bit.ly/nodeIntro

16. Questions?
Thanasis Polychronakis
@thanpolas
thanpolas@gmail.com
#SKGNode
Meetup Group: http://bit.ly/skgnode
Slides: http://bit.ly/nodeIntro