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
Francesco Rodríguez
September 04, 2014
Programming
72
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Introduction to Cuba
Introduction to Cuba "The Ruby Microframework"
Francesco Rodríguez
September 04, 2014
More Decks by Francesco Rodríguez
See All by Francesco Rodríguez
A Minimalistic Ruby Stack
frodsan
1
68
Web Development with Cuba - Ruby Fun Day 2014
frodsan
0
140
Web Security 101 - Ruby Fun Day 2014
frodsan
0
120
Aprende a Programar
frodsan
0
190
Metaprogramming: From Zero to Hero. (URU meetup)
frodsan
1
140
Introducción a Cuba
frodsan
0
82
Other Decks in Programming
See All in Programming
コーディングルールの鮮度を保ちたい for SRE NEXT 2026 / keep-fresh-go-internal-conventions-sre-next-2026
handlename
0
130
関数型プログラミングのメリットって何だろう?
wanko_it
0
150
【やさしく解説 設計編・中級 #1】一つの車に、運転手は一人 ~ある倉庫システムの事例から~
panda728
PRO
0
130
【やさしく解説 設計編 #0】DDDのコード、読めるのに分からない人へ
panda728
PRO
2
240
AI駆動開発を妨げる技術的負債の解消アプローチ / ai-refactoring-approach
minodriven
17
8.8k
AIを活用したE2Eテスト実装効率化のあゆみ / ebisu-mobile-14-kotetu
kotetuco
0
170
エンジニアにデザインハーネスを 〜デザインプロセスを規定するためのハーネス〜 / Design harness from an engineer's perspective
rkaga
2
1.2k
霧の中の代数的エフェクト
funnyycat
1
320
エージェンティックRAGにAWSで入門しよう!
har1101
9
1.9k
SREの積み重ねがAI駆動開発のガードレールになった ― 7つの実践/SRE Guardrails The 7
tomoyakitaura
7
3.5k
TypeScript+Orvalで実現する型安全かつ堅牢でスケーラブルなマルチチャネル通知基盤 / TSKaigi Night talks ~after conference~
d0riven
0
390
ローカルLLMでどこまでコードが書けるか -拡張版 / How much code can be written on a local LLM Extended
kishida
12
4.7k
Featured
See All Featured
Navigating Team Friction
lara
192
16k
How Software Deployment tools have changed in the past 20 years
geshan
0
34k
AI in Enterprises - Java and Open Source to the Rescue
ivargrimstad
0
1.4k
SEO in 2025: How to Prepare for the Future of Search
ipullrank
3
3.6k
Believing is Seeing
oripsolob
1
170
The SEO Collaboration Effect
kristinabergwall1
1
500
Build The Right Thing And Hit Your Dates
maggiecrowley
39
3.2k
Raft: Consensus for Rubyists
vanstee
141
7.6k
技術選定の審美眼(2025年版) / Understanding the Spiral of Technologies 2025 edition
twada
PRO
118
120k
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
akashhashmi
0
390
Build your cross-platform service in a week with App Engine
jlugia
234
18k
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
marketingsoph
0
190
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