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
Lotus
Search
Luca Guidi
October 14, 2014
Programming
8
530
Lotus
Lotus: a complete web framework for Ruby.
Luca Guidi
October 14, 2014
Tweet
Share
More Decks by Luca Guidi
See All by Luca Guidi
Functional Web with Hanami
jodosha
4
400
Lessons Learned While Building Hanami
jodosha
4
1.1k
Lotus RubyDay 2015
jodosha
2
860
Lotus For Rails Developers
jodosha
2
280
Lotus - Brighton Ruby 2015
jodosha
3
860
A Rails Criticism
jodosha
4
1.6k
Other Decks in Programming
See All in Programming
TypeScript を活かしてデザインシステム MCP を作る / #tskaigi_after_night
izumin5210
2
180
UMAPをざっくりと理解 / Overview of UMAP
kaityo256
PRO
3
1.7k
クラシルリワードにおける iOSアプリ開発の取り組み
funzin
1
650
SpringBootにおけるオブザーバビリティのなにか
irof
1
790
REST API設計の実践 – ベストプラクティスとその落とし穴
kentaroutakeda
2
150
OpenTelemetryで始めるベンダーフリーなobservability / Vendor-free observability starting with OpenTelemetry
seike460
PRO
0
150
リアーキテクチャの現場で向き合う 既存サービスの読み解きと設計判断
ymiyamu
1
160
イベントソーシングとAIの親和性ー物語とLLMに理解できるデータ
tomohisa
0
140
Efficiency and Rock 'n’ Roll (Really!)
hollycummins
0
280
インプロセスQAにおいて大事にしていること / In-process QA Meetup
medley
0
190
rbs-traceを使ってWEARで型生成を試してみた After RubyKaigi 2025〜ZOZO、ファインディ、ピクシブ〜 / tried rbs-trace on WEAR
oyamakei
0
340
AI時代のリアーキテクチャ戦略 / Re-architecture Strategy in the AI Era
dachi023
0
170
Featured
See All Featured
The Pragmatic Product Professional
lauravandoore
33
6.6k
Side Projects
sachag
453
42k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
3.8k
Fireside Chat
paigeccino
37
3.4k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
105
19k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.5k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
233
17k
Navigating Team Friction
lara
185
15k
A Tale of Four Properties
chriscoyier
159
23k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Product Roadmaps are Hard
iamctodd
PRO
53
11k
Transcript
Lotus A c o mp l e t e web
framework @jodosha / #lotusrb
None
Do we need yet another web framework?
Are you reinventing the wheel?
What if we never reinvented the wheel?
The wheel
None
We reinvented the wheel after observing it
Complexity should be managed, not hidden.
Why does this matter?
The ultimate goal is…
Money https://flic.kr/p/aFAEHR
Use case: http://bit.ly/github-rails-upgrade
We should not trade control for convenience.
Cost of maintenance 0 20 40 60 80 Years 0
1 2 3 Covenience Simplicity
Silver bullets are a lie.
Philosophy
Standalone frameworks
Full stack applications
Few conventions More objects No monkey- patching
Few conventions More objects No monkey- patching
Few conventions More objects No monkey- patching
Simple
Simplicity is achieved by removing what isn’t essential
Coffee https://flic.kr/p/6rX8pn
Convenient https://flic.kr/p/93Bk4K
Simple https://flic.kr/p/mn57Zm
The output https://flic.kr/p/9oG93w
Lotus doesn’t enable optional features by default
We perceive as simple the things we are familiar with
BookRepository.find 23
Rails.application.routes.draw do get '/' => 'home#index', as: :home resources :books
end ! Rails.application.routes # => ???
router = Lotus::Router.new do get '/', to: 'home#index', as: :home
resources :books end ! router.path(:home) # => '/' router.call(env) # Rack env run router # in config.ru
Fast
Micro benchmarks http://bit.ly/lotus-micro-bench
HTTP benchmarks http://bit.ly/lotus-http-bench
Rails 1027.73 Sinatra 2207.73 Lotus 4175.90 http://bit.ly/lotus-http-bench req/s
Rails 1027.73 Sinatra 2207.73 Lotus 4175.90 http://bit.ly/lotus-http-bench req/s
Rails 1027.73 Sinatra 2207.73 Lotus 4175.90 http://bit.ly/lotus-http-bench req/s
Testable
Testability is a virtue
There is no “test-damaged” design
class Show include Lotus::Action ! expose :book ! def initialize(repository
= BooksRepository) @repository = repository end ! def call(params) @book = @repository.find params[:id] end end
book = Object.new repository = Minitest::Mock.new repository.expect(:find, book, [Integer]) !
action = Show.new(repository) action.call(id: 23) # => [200, {}, nil] ! repository.verify action.book.must_equal book # assigns(:book) isn’t needed
Demo
The future
Get involved
lotusrb.org #lotusrb @jodosha
Q&A
Thank you!