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Building Do on Heroku
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Austin Bales
March 15, 2012
Programming
7
700
Building Do on Heroku
Gopal Patel (@nixme) presents "Building Do on Heroku"
Austin Bales
March 15, 2012
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Transcript
Building Do on Heroku
Gopal Patel, Director of Engineering gopal@do.com • @nixme github.com/nixme
Social Productivity Everywhere “ ”
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SINGLE PAGE
SINGLE PAGE MOBILE FIRST
SINGLE PAGE MOBILE FIRST MANY CLIENTS
↑ ↓ RUBY Heroku Postgres, New Relic, Logplex… ADD-ONS iOS
Android Desktop Widgets CoffeeScript + Backbone.js WEB APPS NATIVE CLIENTS CUSTOM UI FRAMEWORK
API First BEST PRACTICE
API First BEST PRACTICE
Build Platform API First BEST PRACTICE
Build Platform Separation of concerns. Modularity. API First BEST PRACTICE
Build Platform Separation of concerns. Modularity. Constraints lead to guided
design API First BEST PRACTICE
Build Platform Separation of concerns. Modularity. Constraints lead to guided
design Speak HTTP API First BEST PRACTICE
None
def hello puts 'Hello World!' end hello # => Hello
World
class Note include SoftDelete def initialize(title = 'Untitled') @id =
Sequence.next_id @title = title @body = 'Enter your note...' end def print puts "#{@id}: #{@title} - #{@body}" end end
None
VIEW MODEL CONTROLLER BROWSER ↑ ↓ ↑ ↓ ROUTER ↑
↓ ↑ ↓
JSON MODEL CONTROLLER BROWSER ↑ ↓ ↑ ↓ ROUTER ↑
↓ ↑ ↓
Notes Controller RUBY DEMO
The New Age of JS BIG MOVES
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$('.name').bind('change', function(event) { $.ajax({ type: "PUT", url: "/names/" + $(event.target).attr('context_id'),
data: { value: $(event.target).attr('data-value') }, success: function(response) { statusIcon = $('.name + .status'); statusIcon.show(); setTimeout(function() { statusIcon.hide(); }, 5000); }, error: function(response) { console.log(response); $('.name').attr('disabled', true); } }); }); $('.name_delete').click(function(event) { event.preventDefault(); id = $(event.target).attr('context_id'); if (confirm('Are you sure?')) { $.ajax({ type: "DELETE", url: "/names/" + id, success: function(response) { $(".row-" + id).remove(); $(".row-" + (id + 1)).focus(); },
None
Backbone.Events binds and triggers
Backbone.Events binds and triggers Backbone.Router front-end routing, pushState
Backbone.Events binds and triggers Backbone.Router front-end routing, pushState Backbone.View controllers
for your UI
Backbone.Events binds and triggers Backbone.Router front-end routing, pushState Backbone.View controllers
for your UI Backbone.Model domain objects
Backbone.Events binds and triggers Backbone.Router front-end routing, pushState Backbone.View controllers
for your UI Backbone.Model domain objects Backbone.Collection model sets
var object = {}; _.extend(object, Backbone.Events); object.on("alert", function(msg) { alert("Triggered
" + msg); }); object.trigger("alert", "an event"); Backbone.Events
var Note = Backbone.Model.extend({ initialize: function() {…}, coordinates: function() {…},
}); var note = new Note({ title: "Today's Dinner", body: … }); note.on("error", function(model, error) {…}); note.save(); Backbone.Model
var DocumentRow = Backbone.View.extend({ tagName: "li", className: "document-row", events: {
"click .icon": "open", "click .button.edit": "openEditDialog", "click .button.delete": "destroy" }, render: function() {…} }); Backbone.View
Do’s Router COFFEESCRIPT DEMO
Ember Knockout Spine
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number = 42 flag = true greeting = 'world' var
flag, greeting, number; number = 42; flag = true; greeting = 'world';
square = (x) -> x * x cube = (x)
-> x * square x @customer = new Customer $('.cart').on 'click', (event) => @customer.buy event.target var cube, square, _this = this; square = function(x) { return x * x; }; cube = function(x) { return x * square(x); }; this.customer = new Customer; $('.cart').on('click', function(event) { return _this.customer.buy(event.target); });
kids = brother: name: "Max" age: 11 sister: name: "Ida"
age: 9 var kids; kids = { brother: { name: "Max", age: 11 }, sister: { name: "Ida", age: 9 } };
for own view, element of views $(element).remove() view.removed = true
var element, view, __hasProp = Object.prototype.hasOwnProperty; for (view in views) { if (!__hasProp.call(views, view)) continue; element = views[view]; $(element).remove(); view.removed = true; }
coffeescript.org
coffeescript.org sass-lang.com
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BUNDLE (Sprockets) ↓ MINIFY (UglifyJS) COMPRESSION (GZIP) git push ↓
↓
BUNDLE (Sprockets) ↓ MINIFY (UglifyJS) COMPRESSION (GZIP) git push ↓
↓ ↑ ↓ → CLOUDFRONT ↑ ↓
web: unicorn -p $PORT -c ./config/unicorn.rb worker: rake resque:work QUEUE=notifications,...
workerprovisioning: rake resque:work QUEUE=provisioning,... scheduler: rake resque:scheduler VERBOSE=true Procfile
BACKUPS • FORKING • FOLLOWING
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CONTINUOUS INTEGRATION AUTOMATED TESTING
CONTINUOUS DEPLOYMENT
CONTINUOUS DEPLOYMENT FEATURE FLAGS if Do.Flags.check ‘recurrence’ # Recurring Tasks
Code
Design HOW WE DO
Design HOW WE DO User Experience is #1
Design HOW WE DO User Experience is #1 Engineering +
Design = Like
Design HOW WE DO User Experience is #1 Engineering +
Design = Like Design is a process / conversation
Design HOW WE DO User Experience is #1 Engineering +
Design = Like Design is a process / conversation We work together. Everyone commits.
WHAT WAS THIS TALK ABOUT? API First Expressive Languages Modern
Browsers Continuous Deployment
WHAT WAS THIS TALK ABOUT? API First Expressive Languages Modern
Browsers Continuous Deployment Loosely-coupled Code Tightly-coupled Team
do.com
THE PANEL Manav Monga Product Guy. @xmanav Bing Yang Product
Guy. @bsbox David Yung Developer. @azethoth Austin Bales Designer. @arbales http://pris.ma/9M