Evolution of Rails

Lakshan Perera

LK Ruby User Group – September 2009

Ruby is not Rails!But, Rails is Ruby...

M I N S W A N(Matz is nice, so we are nice)

The journey of 5 years...

“Build your blog in 15 minutes” Era

A Danish boy becomes a hacker.

A Design agency becomes an application company.

Convention over Configuration

DRY principle

“Rails can't scale” Era

(Phusion Passenger, Message Queues, MemCache and etc)

“Rails is a Ghetto” Era(Rise of Merb)

If Rails is a Ghetto, Merb is its' whorehouse

The Great Reunion!

Rails == Magic ?No! It is pure Ruby...

Metaprogramming

- Module.class_eval- Object.instance_eval, - Kernel.eval

Blocks/Lambdas

Symbols & Nice Literals

Rack

Rack provides a minimal interfacebetween web servers supporting Ruby and Ruby frameworks.

Cool Middlewares : Rack-Bug, Authentication (Warden), CloudKit

The Future Rails 3

- Better Modularity

- Framework Agnostic

- Public API (No Monkeypatching)

Easy Responders(Inherited Resources)

ActiveModel

Sneak Peak LightRecord

ORM for key-value stores

Supports any key-value store that has a Moneta interface.(e.g. MongoDB, CouchDB, TokyoCabinet, Redis, Hash)

ActiveModel Compatible

Includes Validations, Callbacks, State Machines, Timestamps

Basic Container Associations (similar to Has Many relationship)

Released Soon!

Questions ?