Getting started with developing Nodejs
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An introduction to developing with Node.js and some useful tools to help the development and deployment processes. This talk was given at Asyncjs in Brighton http://asyncjs.com/intro-nodejs
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Getting started with developing Nodejs
- 1. yet another talk on node.js getting started @philhawksworth
- 2. what we’ll look at whaddizit? installation options hello world modules & frameworks deploying & hosting comet and beyond
- 3. assumptions web development experience javascript knowledge unix, linux, osx not a nodejs ninja
- 4. whaddizit?
- 5. Evented I/O for V8 Javascript
- 6. evented i-what now? c++ v8 javascript engine server-side javascript single event loop non-blocking
- 7. useful knowledge strong javascript jQuery patterns
- 8. dangerous knowledge jQuery patterns
- 9. considerations how mature is it? v0.0.1: early 2009, currently v.0.4.8 who uses it? everyone is playing.
- 12. considerations how mature is it? v0.0.1: early 2009, currently v.0.4.8 who uses it? everyone is playing. should I be scared of it? no. but be cautious.
- 13. ball-ache: stability rate of change
- 14. installation options build from source package ndistro n
- 15. from source clone source from github install dependancies xcode tools configure, make, make install
- 16. package
- 18. ball-ache: stability rate of change
- 19. many versions many versions many versions ndistro & n
- 21. enables many versions of node
- 31. local versions for each project
- 32. n
- 33. install as a module
- 35. installing modules npm node package manager
- 38. $ npm install <package>
- 39. $ npm install n
- 40. $ npm install n@0.4.1
- 41. $ npm ls
- 42. !"# express@2.2.2 $ !"# connect@1.3.0 $ $ !"" mime@1.2.1 $ $ %"" qs@0.1.0 $ !"" mime@1.2.1 $ %"" qs@0.1.0 !"" n@0.4.1 %"" underscore@1.1.6
- 43. !"# express@2.2.2 $ !"# connect@1.3.0 $ $ !"" mime@1.2.1 $ $ %"" qs@0.1.0 $ !"" mime@1.2.1 $ %"" qs@0.1.0 !"" n@0.4.1 %"" underscore@1.1.6
- 44. $ npm update n
- 45. $ npm install n
- 46. $ npm update npm
- 47. n
- 48. while ndistro is for virtual environments
- 49. while ndistro is for local environments
- 50. n gives system wide node versioning
- 51. $ n 0.2.6 $ n v0.3.3
- 52. download configure make install
- 54. $ n ls
- 55. $ n
- 56. 0.2.3 0.2.6 --debug 0.3.4 0.3.5 ο 0.4.8
- 57. $ n use 0.4.8
- 58. what we’ll look at whaddizit? installation options hello world modules & frameworks deploying & hosting comet and beyond
- 59. hello world
- 60. app.js hello world
- 61. $ node app.js
- 63. $ n use 0.4.8 app.js
- 65. frameworks get a little help uri routing content negotiation templating environment configuration
- 66. express the canonical web development framework http://expressjs.com
- 70. templating many ways to render your response
- 73. bootstrapping quick scaffolding
- 74. $ express --template --css --session
- 76. $ n use 0.4.8 app.js
- 80. deploying where do I put this thing? self-managed amazon, linode, slicehost managed heroku, no.de
- 85. duostack automated, git-based deployment install via npm manage dependancies via npm limited versions of nodejs
- 86. server.js hello world
- 87. $ git init $ git add $ git commit -m ‘1st commit’
- 88. $ duostack create nodedemo $ git push duostack master
- 89. Delta compression using up to 2 threads. Compressing objects: 100% (2/2), done. Writing objects: 100% (3/3), 416 bytes, done. Total 3 (delta 0), reused 0 (delta 0) ==== Duostack deploy received for nodedemo ==== Compiling app... done Compressed size is 4.0KB ==== Launching first instances.... done ==== App successfully deployed to ==== http://nodedemo.duostack.net
- 94. deploying get it there git configure it install dependencies get it up, and keep it up upstart
- 95. $ git clone project.git $ cd project $ ndistro
- 96. ndistro is really just the shell
- 98. keeping it up
- 99. $ /etc/init.d/
- 103. what we’ll look at whaddizit? installation options hello world modules & frameworks deploying & hosting comet and beyond
- 104. easy comet requests websockets
- 110. javascript on the client asks, and listens asks again, or takes action
- 111. websockets more efficient low latency comms
- 114. Graceful degradation
- 115. WebSocket Adobe Flash Socket Ajax long polling Ajax multipart streaming Forever Iframe JSONP Polling
- 118. but... node is not just for realtime
- 119. staying in the loop and finding out more
- 121. irc irc.freenode.net #node.js
- 122. github wiki
- 123. @ryah @tjholowaychuk @isaacs @sh1mmer