Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Introduction to Cuba
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
Francesco Rodríguez
September 04, 2014
Programming
1
61
Introduction to Cuba
Introduction to Cuba "The Ruby Microframework"
Francesco Rodríguez
September 04, 2014
Tweet
Share
More Decks by Francesco Rodríguez
See All by Francesco Rodríguez
A Minimalistic Ruby Stack
frodsan
1
59
Web Development with Cuba - Ruby Fun Day 2014
frodsan
0
120
Web Security 101 - Ruby Fun Day 2014
frodsan
0
110
Aprende a Programar
frodsan
0
170
Metaprogramming: From Zero to Hero. (URU meetup)
frodsan
1
130
Introducción a Cuba
frodsan
0
73
Other Decks in Programming
See All in Programming
MUSUBIXとは
nahisaho
0
130
16年目のピクシブ百科事典を支える最新の技術基盤 / The Modern Tech Stack Powering Pixiv Encyclopedia in its 16th Year
ahuglajbclajep
5
1k
そのAIレビュー、レビューしてますか? / Are you reviewing those AI reviews?
rkaga
6
4.6k
Grafana:建立系統全知視角的捷徑
blueswen
0
330
0→1 フロントエンド開発 Tips🚀 #レバテックMeetup
bengo4com
0
570
プロダクトオーナーから見たSOC2 _SOC2ゆるミートアップ#2
kekekenta
0
210
AgentCoreとHuman in the Loop
har1101
5
240
Oxlint JS plugins
kazupon
1
950
Honoを使ったリモートMCPサーバでAIツールとの連携を加速させる!
tosuri13
1
180
AWS re:Invent 2025参加 直前 Seattle-Tacoma Airport(SEA)におけるハードウェア紛失インシデントLT
tetutetu214
2
110
コントリビューターによるDenoのすゝめ / Deno Recommendations by a Contributor
petamoriken
0
200
フルサイクルエンジニアリングをAI Agentで全自動化したい 〜構想と現在地〜
kamina_zzz
0
400
Featured
See All Featured
What the history of the web can teach us about the future of AI
inesmontani
PRO
1
430
Measuring Dark Social's Impact On Conversion and Attribution
stephenakadiri
1
120
Evolving SEO for Evolving Search Engines
ryanjones
0
120
Design of three-dimensional binary manipulators for pick-and-place task avoiding obstacles (IECON2024)
konakalab
0
350
Lessons Learnt from Crawling 1000+ Websites
charlesmeaden
PRO
1
1.1k
How to audit for AI Accessibility on your Front & Back End
davetheseo
0
180
The Straight Up "How To Draw Better" Workshop
denniskardys
239
140k
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
akashhashmi
0
270
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
2
240
The Limits of Empathy - UXLibs8
cassininazir
1
210
The Cult of Friendly URLs
andyhume
79
6.8k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
508
140k
Transcript
None
Francesco
[email protected]
Cuba (‛ƅ㱼ƅ)‛ Ruby microframework for web development.
ʕ•ᴥ•ʔ ! • Small. • Focused. • Simple. • Stable.
• Rack. • Fast.
require "cuba"! ! Cuba.define do! on "home" do! res.write("Hello Cuba")!
end! end
Rules
Cuba.define do! on "home" do # PATH == "/home"! !
res.write("Hello Cuba")! end! end
Cuba.define do! on "home" do # PATH == "/home"! !
res.write("Hello Cuba")! end! ! on "about" do # PATH == "/about"! ! res.write("About us”)! end! end
Captures
Cuba.define do! on "hello/:name" do |name|! ! res.write("Hello #{ name
}")! end! end! ! # /hello/frodsan => Hello frodsan
Matchers
Cuba.define do! on /hello\/(^[a-zA-Z]+$)/ do |name|! ! res.write("Hello #{ name
}")! end! end! ! # /hello/frodsan => Hello frodsan! # /hello/123 =>
Cuba.define do! on :name do |name|! ! res.write("Hello #{ name
}")! end! end! ! # /frodsan => Hello frodsan! # /123 => Hello 123
Cuba.define do! # Any expression that! # evaluates to `true`.!
on (*) do! ! res.write("Hello Cuba")! end! end
Cuba.define do! # Any expression that! # evaluates to `true`.!
on true do! ! res.write("Hello Cuba")! end! end
Cuba.define do! on false do! ! res.write("⊙﹏⊙")! end! ! on
true do! ! res.write("the winner")! end! end
Cuba.define do! on authenticated? do! # . . .! end!
! on true do! ! res.status = 401! ! res.write("Not authorized")! end! end
Nested Blocks
Cuba.define do! on "posts" do! # /posts/new! on "new" do!
# . . .! end! ! ! ! # /posts/mypost! on :slug do |slug|! ! # . . .! end! end! end
404 (Else)
Cuba.define do! on "posts" do! on "new" do! ! #
. . .! ! # on true do! on default do! res.status = 404! res.write("Not Found")! end! end! end
Helpers
Cuba.define do! on "posts" do! on get do! # METHOD
== GET! end! ! on post do! on param("post") do |post|! end! end! end! end
Composition
class Users < Cuba define do! on "posts" do! on
"new" do! ! # . . .! end! ! on :slug do |slug|! ! # . . .! end! end! end! end
Cuba.define do! on authenticated? do! run(Users)! end! ! on default
do! ! res.status = 401! ! res.write("Not authorized")! end! end
Stack
ʕ•ᴥ•ʔ ! • hache • mote • mote-render • malone
• ohm • ost • rack-protection • requests • scrivener • shield
! on "signup" do! on post, param("user") do |params|! signup
= Signup.new(params)! ! on signup.valid? do! user = User.create(params)! authenticate(user)! ! res.redirect("/dashboard")! end! ! on default do! end! end! end!
! on "posts" do! on post, param("post") do |params|! end!
! on :id do |id|! post = Post[id]! ! on default do! render("post", post: post)! end! end! ! on default do! render("posts")! end! end!
theguidetocuba.io A Getting Started guide (WIP)
github.com/punchgirls/job_board/ An Open Source application.
cuba.is Cuba’s website.
thx <3