from 0 to universal react in production

in 4 months

EZ PZ

AuchanDirect

traditional e-commerce

website

Auchan:D

web app focusing on

customer experience

(react) single page application

web server

web browser

<html>
  <body>
    <div id="app"></div>
    <script src="/app.js"></script>
  </body>
</html>

empty DOM with script tag

huge javascript file

API server

react universal application

web server

web browser

<html>
  <body data-reactid="18">
    <div id="react-root" data-reactid="19">
      <div class="app" data-reactroot="" data-reactid="1" data-react-checksum="-2052352663">
        Hello world!
      </div>
    </div>
    <script src="/client.bundle.js" data-reactid="21"></script>
  </body>
</html>

full DOM with script tag

huge javascript file

API server

server.jsx

client.jsx

shared code

react universal codebase

How to deliver value as fast as possible ?

  • dev
  • deploy
  • learn
  • repeat

dev fast, don't break anything

  • developer experience: hot reload
  • state management: redux + immutable.js
  • lint: eslint + eslint-plugin-react
  • test: mocha + expect + enzyme + sinon
  • test coverage: karma + isparta

trunk based development

  • only one shared branch
  • release from trunk, roll forward

github flow

trunk based development

build once, run anywhere

  • webpack: client & server bundles
  • docker
  • ansible

how do we learn?

  • new relic for monitoring
  • sentry for crash reports
  • aircall to let our customers call us directly

results from march to june

  • 1 to 4 developers (wanna join?)
  • 1 branch
  • 1 universal app
  • 100+ orders

questions

universal-react

By bastoche

universal-react

  • 733
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