Trello Architecture
This is the visual part of a talk I gave on the trello.com architecture at the MongoDB user group on 18 Jan 2012. Blog post to come very soon, watch http://blog.trello.com.
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Backbone.js
Browser (HTTPS only)
... small
CloudFront
Client JS + CSS
~230k
{ LESS }
CoffeeScript
Mustache templates
Libs (jQuery, Underscore, Backbone)
DOM
Models
Views
Event Handlers
PushState
Controllers
... small
AJAX
Polling
WebSockets
Update Push
HAProxy
Node.js
CoffeeScript
Cluster
Express + Connect
Socket.io *
Mongoose
node-redis
node-mongodb-native
MongoDB
Redis
hiredis