node.js newbie 

Chapter #0 

Chapter #0 What I want to say? 

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Chapter #1 

About newbie 

Find me github.com/edvinasbartkus 

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Chapter #2 

Chapter #2 

⚡ which node
 /usr/local/bin/node 

⚡ which node
 /usr/local/bin/node 

⚡ npm install something
 ⚡ ls -l drwxr-xr-x node_modules/ 

⚡ npm install -g something 

⚡ cat package.json { "name": "commentreader", "version": "0.0.1", "main": "app.js", "scripts": { "test": "./node_modules/.bin/mocha --recursive -R xunit test/ > test-reports.xml", "migrate": "./node_modules/.bin/db-migrate up" }, "dependencies": { "express": "3.4.8", "knex": "~0.5.4", "bookshelf": "~0.6.2", "pg": "~2.11.1", "socket.io": "~0.9.16", "htmlparser2": "~3.4.0", "minreq": "~0.2.3", "request": "~2.33.0" }, "devDependencies": { "grunt": "~0.4.2", "grunt-express-server": "~0.4.11", "grunt-contrib-watch": "~0.5.3", "grunt-contrib-concat": "~0.3.0", "should": "~3.1.0", "supertest": "~0.9.0", "mocha": "~1.17.1", "db-migrate": "~0.6.3" } } 

CODE STRUCTURE Gruntfile.js Procfile README.md app/ - domains/ - models/ - routes/ - views/ app.js browser/ - components/ - controllers/ - views/ - main.js config.js database.json migrations/ node_modules/ package.json public/ test/ worker.js 

// Express var app = express(); app.configure(function () { app.use(express.logger('dev')); app.use(express.bodyParser()); ! var viewsDir = path.join(__dirname + ‘/browser/views'); app.use(‘/views', express.static(viewsDir)); ! var publicDir = path.join(__dirname + ‘/public'); app.use(express.static(publicDir)); }); EXPRESS 

// Routes var pages = require('./app/routes/pages'); app.get('/pages', pages.findAll); app.get('/pages/:id', pages.findById); app.post('/pages', pages.addPage); EXPRESS ROUTES 

// Server var server = app.listen(config.port); ! // Sockets var sockets = require('./app/sockets')(server); RUN & ATTACH SOCKETS 

'use strict'; ! var socket = require('socket.io'); ! module.exports = function (app) { var io = socket.listen(app, { log: false }); io.on('connection', function (socket) { console.log('User connected'); }); ! // socket.join('room:test'); return io; }; SOCKETS.IO 

Chapter #3 

Chapter #3 

T H E W E B ' S S C A F F O L D I N G T O O L F O R M O D E R N W E B A P P S 

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Chapter #3.1 

Chapter #3.1 

GRUNT 

Chapter #4 

Chapter #4 

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'use strict'; ! var should = require('should'); var app = require('./../app.js'); ! describe('Existance', function () { it('should exist', function (done) { should.exist(app); done(); }); }); 

! var should = require('should'); var request = require('supertest'); var app = require('./../app.js'); ! describe('Pages API', function () { it('GET /pages 200', function (done) { request(app) .get('/pages') .expect(200, done); }); 

⚡ mocha test/ ! ․․․ ! 3 passing (85ms) 

BUSTER.JS INTERN.JS 

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Have you met Jenkins? 

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⚡ cat package.json { "main": "app.js", "scripts": { "test": “./node_modules/.bin/mocha --recursive -R xunit test/ > test-reports.xml”, ! "migrate": "./node_modules/.bin/db-migrate up" }, "dependencies": { }, "devDependencies": { } } 

Chapter #Lost_Nmbr.2 

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Free 1 dyno ! ! 

Free 1 dyno 512mb ram ! 

Free 1 dyno 512mb ram 4 (virtual) CPU cores Intel Xeon X5550 @ 2.67GHz 

Free 1 dyno 750 free hours ! 

⚡ cat Procfile web: node app.js 

⚡ cat Procfile web: node app.js worker: node worker.js 

Heroku idles 

Heroku idles
 Do you remember Jenkins? 

Heroku idles
 Pingdom is also cool 

Deploy in 6 seconds 

Do not use console.log http://micheljansen.org/blog/entry/1698 

Redis & RabbitMQ & Postgres 

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What is the right path? 

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Chat Chapter irc.freenode.org #VilniusJS