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
The Road to Node
Search
Guille Paz
October 28, 2017
Programming
0
230
The Road to Node
The Road to Node (at a big company).
Guille Paz
October 28, 2017
Tweet
Share
More Decks by Guille Paz
See All by Guille Paz
No me robes el Scroll!
pazguille
0
230
User First
pazguille
1
190
#OfflineFirst
pazguille
3
5.9k
ES6 in Production
pazguille
10
3.1k
No me hagas esperar!
pazguille
1
160
CSS Sprites vs. Data URIs
pazguille
0
430
Hello, Style Guides!
pazguille
0
260
Decoupling your JavaScript
pazguille
0
170
Progressive Enhancement - Is it still important?
pazguille
0
120
Other Decks in Programming
See All in Programming
CSC305 Lecture 03
javiergs
PRO
0
230
iOSエンジニア向けの英語学習アプリを作る!
yukawashouhei
0
170
ててべんす独演会〜Flowの全てを語ります〜
tbsten
1
220
詳しくない分野でのVibe Codingで困ったことと学び/vibe-coding-in-unfamiliar-area
shibayu36
3
3.5k
iOS 17で追加されたSubscriptionStoreView を利用して5分でサブスク実装チャレンジ
natmark
0
490
Swift Concurrency - 状態監視の罠
objectiveaudio
2
440
開発者への寄付をアプリ内課金として実装する時の気の使いどころ
ski
0
340
いま中途半端なSwift 6対応をするより、Default ActorやApproachable Concurrencyを有効にしてからでいいんじゃない?
yimajo
2
310
uniqueパッケージの内部実装を支えるweak pointerの話
magavel
0
890
Swiftビルド弾丸ツアー - Swift Buildが作る新しいエコシステム
giginet
PRO
0
1.6k
Web フロントエンドエンジニアに開かれる AI Agent プロダクト開発 - Vercel AI SDK を観察して AI Agent と仲良くなろう! #FEC余熱NIGHT
izumin5210
3
330
実践AIチャットボットUI実装入門
syumai
7
2.4k
Featured
See All Featured
BBQ
matthewcrist
89
9.8k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
32
2.2k
Optimising Largest Contentful Paint
csswizardry
37
3.4k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
Bash Introduction
62gerente
615
210k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
960
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
19
1.2k
A designer walks into a library…
pauljervisheath
209
24k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
Measuring & Analyzing Core Web Vitals
bluesmoon
9
610
Transcript
The Road to Node at a big company
- I’m Guille Paz - Frontend developer - Tech Lead
at Mercado Libre @pazguille (twitter / github) Hi!
Mercado Libre
Largest e-commerce ecosystem in Latin America
None
~ 1500 developers
~ 1500 developers ~ 4600 repositories
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps ~ 3 Million rpm
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps ~ 3 Million rpm ~ 900 coffees per day
Back to 2016
Frontend Frontend developers Backend developers
Frontend
Frontend Access Data UI Logic Business Logic Build assets Auth
i18n e2e testing ...
TOO many Technologies
TOO many Responsibilities
It’s a kilombo!
“The world is changing and we must change with it.”
- Ragnar Lothbrok
Hey Guille, coffee? Hey, what's happened? Nothing, just running grails
run-app... Sure! I have 10-15 mins.
New Team Frontend Core
We made Big decisions!
Node is the new UI Layer
Frontend Middleend UI Layer Business Logic
Frontend API API Middleend
Frontend API API Middleend Mobile Native
None
The new frontend stack
None
LTS version
None
None
None
ES6 Modules vs CommonJS
None
None
Use ES Features and don’t transpile the server.
node.green
None
six-speed
None
Use ES Stable Features and don’t transpile the server.
None
Shared Version
Default Middlewares
Authentication Device Detection Security Default Middlewares
Default Routes (“/ping”)
An Express Instance on Steroids
Routers (“mini-applications”)
Start Server (development vs production)
None
Using React Is A Business Decision, Not A Technology Choice.
- Eric Baer
Server-Side Rendering
React on the Server
Only transpile JSX in runtime
JSX (template engine)
res.render(‘View.js, props);
None
Render React Middleware
Override res.render( ).
res.render(<View />, props);
Universal UI Components
Universal Views
React on the Server & Client
None
Hey Guille, coffee? Hey, what's happened? Nothing, just running npm
install... Sure! I have 2-3 mins.
None
None
nordic & nordic-dev packages
None
None
react-router on the server
None
None
[email protected]
async hooks (onEnter ) are defined globally
None
None
process.env
It’s not a normal JavaScript object...
Server rendering is slower...
cache all the values!
React 16
Takeaway
⇢ Knows your dependencies ⇢ Node is the new UI
Layer ⇢ New roles and responsibilities ⇢ ~ 126 coffees per day (86% real) ⇢ Today we feel like...
None
None
Thank you! @pazguille