        
# cat config.ru
require "roda"

class App < Roda
  route do |r|
    # GET / request
    r.root do
      r.redirect "/hello"
    end

    # /hello branch
    r.on "hello" do
      # Set variable for all routes in /hello branch
      @greeting = 'Hello'

      # GET /hello/world request
      r.get "world" do
        "#{@greeting} world!"
      end

      # /hello request
      r.is do
        # GET /hello request
        r.get do
          "#{@greeting}!"
        end

        # POST /hello request
        r.post do
          puts "Someone said #{@greeting}!"
          r.redirect
        end
      end
    end
  end
end

run App.freeze.app

A Modular, Scalable Ruby Framework

Built on Rack
Ruby's de facto webserver interface.
Flexible Architecture
Any design pattern for any application.
Rich Set of Included Plugins
Tools for every aspect of web development.
Simple, Reliable API
Currently at version 3.99.0
Security Focused
Encrypted sessions, per-form CSRF tokens.
Streaming Views & Assets
Mailers, JSON APIs, and more...

Stable for 10+ years, and constantly improving!

RubyConf 2024 - 10 Years of Roda

Watch Roda's lead developer discuss the history of Roda, and the improvements made in Roda's first 10 years.

Comparison to Popular Ruby Web Frameworks

Compared to other popular Ruby web frameworks, Roda has the highest performance (note log10 scale in request per second graph) and uses the least memory.

Data: Requests/Second | Initial Memory Usage

Compare to Sinatra

Roda aims to take the ease of development and understanding that Sinatra brings, and enable it to scale to support the development of large web applications.