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JavaScript as a Server side language (NodeJS): JSConf 2011, Dhaka

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Nurul Ferdous
Nurul Ferdous

JSCon 2011, arranged by phpXperts. held in American International University Bangladesh.

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NodeJS JS as a Server-side Language Iraj Islam @irajislam Nurul Ferdous @ferdous NewsCred Saturday, September 17, 2011
Agenda NewsCred • Part 1. NodeJS • Part 2. ExpressJS • Questions? Saturday, September 17, 2011
Who We Are NewsCred Iraj Islam CTO/Co-founder, NewsCred Nurul Ferdous Senior Software Engineer, NewsCred Saturday, September 17, 2011
Part 1 NodeJS NewsCred Saturday, September 17, 2011
Server-side JS NewsCred Saturday, September 17, 2011
What’s NodeJS? NewsCred NodeJS What’s this all about? Saturday, September 17, 2011
What’s NodeJS? NewsCred NodeJS Evented I/O for V8 JavaScript. Saturday, September 17, 2011
What’s NodeJS? NewsCred Goal “Provide an easy way to build scalable network programs.” Saturday, September 17, 2011
History NewsCred The Evolution of the Web From static pages to real time data. Saturday, September 17, 2011
Why NodeJS? NewsCred The Age of Big Data Exabytes (1018) of data stored per year 1000 750 500 250 2006 2007 2008 0 2009 2010 Saturday, September 17, 2011
Why NodeJS? NewsCred The Fast Food Analogy Synchronous vs. Asynchronous Saturday, September 17, 2011
Why NodeJS? NewsCred The Apache Solution Synchronous I/O Application File User readFile(); System getTweets(); Twitter API writeToDb(); MySQL Saturday, September 17, 2011
Why NodeJS? NewsCred The Apache Solution Blocking I/O Application File User readFile(); System Waiting... getTweets(); Twitter API Waiting... writeToDb(); MySQL Saturday, September 17, 2011
Why NodeJS? NewsCred The NodeJS Solution Asynchronous I/O Application File User readFile(); System getTweets(); Twitter API writeToDb(); MySQL Saturday, September 17, 2011
Why NodeJS? NewsCred The NodeJS Solution Non-blocking I/O Application File User readFile(); System getTweets(); Twitter API writeToDb(); MySQL Saturday, September 17, 2011
NodeJS Benefits NewsCred • Fast • Built on top of Google’s V8 JavaScript engine. • Scalable • Asynchronous, event-driven I/O model yields web scale. • Programmable • JavaScript API and pluggable module architecture. Saturday, September 17, 2011
NodeJS Use Cases NewsCred • Serving APIs • Serving real-time apps • Serving web apps • Streaming data Saturday, September 17, 2011
NodeJS “Hello World!” NewsCred var http = require('http'); http.createServer(function (request, response) { response.writeHead(200, {'Content-Type': 'text/plain'}); response.writeHead('Hello World!'); }).listen(1337, '127.0.0.1'); Saturday, September 17, 2011
Who’s Using NodeJS? NewsCred Saturday, September 17, 2011
Installing NodeJS NewsCred • Installing on Unix • Installing on Windows • Run http://nodejs.org/dist/v0.5.6/node.exe Saturday, September 17, 2011
Installing npm NewsCred • Node Package Manager (npm) • One line install: • curl http://npmjs.org/install.sh | sudo sh • Multi-line install: • Get the code from http://github.com/isaacs/npm • Do what the REAMME says Saturday, September 17, 2011
Part 2 ExpressJS NewsCred Saturday, September 17, 2011
What’s ExpressJS? NewsCred ExpressJS High-performance NodeJS web framework. Saturday, September 17, 2011
Why ExpressJS? NewsCred • Full blown feature set • Routing • View rendering/templating • Sessions • Good documentation • Lots of examples • Many extensions Saturday, September 17, 2011
Installing ExpressJS NewsCred Saturday, September 17, 2011
Directory Structure NewsCred Saturday, September 17, 2011
Configuration NewsCred Saturday, September 17, 2011
Application Settings NewsCred Saturday, September 17, 2011
Routing NewsCred Saturday, September 17, 2011
View Rendering NewsCred • Haml templates • Haml • Jade • Embedded JavaScript (EJS) templates • Coffeekup templates • Uses CoffeeScript • jQuery templates Saturday, September 17, 2011
Views with Jade NewsCred Saturday, September 17, 2011
Sessions NewsCred • Currently cookie-based • Data store can be Redis, memory etc. Saturday, September 17, 2011
Packages NewsCred $ npm install -d # for installing dependancies Saturday, September 17, 2011
Resources NewsCred • NodeJS • http://nodejs.org • http://github.com/dynamicguy/node-mongo-cms • ExpressJS • http://expressjs.com • Sencha Connect • http://github.com/senchalabs/connect/wiki Saturday, September 17, 2011
Questions? NewsCred Iraj Islam iraj@newscred.com, @irajislam Nurul Ferdous nurul@newscred.com, @ferdous Saturday, September 17, 2011

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JavaScript as a Server side language (NodeJS): JSConf 2011, Dhaka

  • 1. NodeJS JS as a Server-side Language Iraj Islam @irajislam Nurul Ferdous @ferdous NewsCred Saturday, September 17, 2011
  • 2. Agenda NewsCred • Part 1. NodeJS • Part 2. ExpressJS • Questions? Saturday, September 17, 2011
  • 3. Who We Are NewsCred Iraj Islam CTO/Co-founder, NewsCred Nurul Ferdous Senior Software Engineer, NewsCred Saturday, September 17, 2011
  • 4. Part 1 NodeJS NewsCred Saturday, September 17, 2011
  • 5. Server-side JS NewsCred Saturday, September 17, 2011
  • 6. What’s NodeJS? NewsCred NodeJS What’s this all about? Saturday, September 17, 2011
  • 7. What’s NodeJS? NewsCred NodeJS Evented I/O for V8 JavaScript. Saturday, September 17, 2011
  • 8. What’s NodeJS? NewsCred Goal “Provide an easy way to build scalable network programs.” Saturday, September 17, 2011
  • 9. History NewsCred The Evolution of the Web From static pages to real time data. Saturday, September 17, 2011
  • 10. Why NodeJS? NewsCred The Age of Big Data Exabytes (1018) of data stored per year 1000 750 500 250 2006 2007 2008 0 2009 2010 Saturday, September 17, 2011
  • 11. Why NodeJS? NewsCred The Fast Food Analogy Synchronous vs. Asynchronous Saturday, September 17, 2011
  • 12. Why NodeJS? NewsCred The Apache Solution Synchronous I/O Application File User readFile(); System getTweets(); Twitter API writeToDb(); MySQL Saturday, September 17, 2011
  • 13. Why NodeJS? NewsCred The Apache Solution Blocking I/O Application File User readFile(); System Waiting... getTweets(); Twitter API Waiting... writeToDb(); MySQL Saturday, September 17, 2011
  • 14. Why NodeJS? NewsCred The NodeJS Solution Asynchronous I/O Application File User readFile(); System getTweets(); Twitter API writeToDb(); MySQL Saturday, September 17, 2011
  • 15. Why NodeJS? NewsCred The NodeJS Solution Non-blocking I/O Application File User readFile(); System getTweets(); Twitter API writeToDb(); MySQL Saturday, September 17, 2011
  • 16. NodeJS Benefits NewsCred • Fast • Built on top of Google’s V8 JavaScript engine. • Scalable • Asynchronous, event-driven I/O model yields web scale. • Programmable • JavaScript API and pluggable module architecture. Saturday, September 17, 2011
  • 17. NodeJS Use Cases NewsCred • Serving APIs • Serving real-time apps • Serving web apps • Streaming data Saturday, September 17, 2011
  • 18. NodeJS “Hello World!” NewsCred var http = require('http'); http.createServer(function (request, response) { response.writeHead(200, {'Content-Type': 'text/plain'}); response.writeHead('Hello World!'); }).listen(1337, '127.0.0.1'); Saturday, September 17, 2011
  • 19. Who’s Using NodeJS? NewsCred Saturday, September 17, 2011
  • 20. Installing NodeJS NewsCred • Installing on Unix • Installing on Windows • Run http://nodejs.org/dist/v0.5.6/node.exe Saturday, September 17, 2011
  • 21. Installing npm NewsCred • Node Package Manager (npm) • One line install: • curl http://npmjs.org/install.sh | sudo sh • Multi-line install: • Get the code from http://github.com/isaacs/npm • Do what the REAMME says Saturday, September 17, 2011
  • 22. Part 2 ExpressJS NewsCred Saturday, September 17, 2011
  • 23. What’s ExpressJS? NewsCred ExpressJS High-performance NodeJS web framework. Saturday, September 17, 2011
  • 24. Why ExpressJS? NewsCred • Full blown feature set • Routing • View rendering/templating • Sessions • Good documentation • Lots of examples • Many extensions Saturday, September 17, 2011
  • 25. Installing ExpressJS NewsCred Saturday, September 17, 2011
  • 26. Directory Structure NewsCred Saturday, September 17, 2011
  • 27. Configuration NewsCred Saturday, September 17, 2011
  • 28. Application Settings NewsCred Saturday, September 17, 2011
  • 29. Routing NewsCred Saturday, September 17, 2011
  • 30. View Rendering NewsCred • Haml templates • Haml • Jade • Embedded JavaScript (EJS) templates • Coffeekup templates • Uses CoffeeScript • jQuery templates Saturday, September 17, 2011
  • 31. Views with Jade NewsCred Saturday, September 17, 2011
  • 32. Sessions NewsCred • Currently cookie-based • Data store can be Redis, memory etc. Saturday, September 17, 2011
  • 33. Packages NewsCred $ npm install -d # for installing dependancies Saturday, September 17, 2011
  • 34. Resources NewsCred • NodeJS • http://nodejs.org • http://github.com/dynamicguy/node-mongo-cms • ExpressJS • http://expressjs.com • Sencha Connect • http://github.com/senchalabs/connect/wiki Saturday, September 17, 2011
  • 35. Questions? NewsCred Iraj Islam iraj@newscred.com, @irajislam Nurul Ferdous nurul@newscred.com, @ferdous Saturday, September 17, 2011