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@vitormalencar Module-Federation Module-Federation A game-changer in JavaScript architecture

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MY "WHY" 🤔 💭 WHY I DO WHAT I DO I believe it is possible to change the world through technology.....

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Hi 👋, I'm Vitor Alencar. I'm a software engineer! I helped improve Brazil education I helped people share their opinions online now I'm helping people get their money back!

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@vitormalencar 150K+ 05 COURSES 200H CONTENT 100+ VIDEOS 04 PODCASTS PEOPLE IMPACTED

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@vitormalencar Microfrontends are especially useful when we have projects with dozens of developers working together in a large business domain Why Micro front ends ?

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@vitormalencar Microsfot Google Airbnb Netflix You? Spotify

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@vitormalencar Monolith to Microservices

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@vitormalencar MFE similar methodology Be able to be managed from separate teams Deploy independently Small application set Better Domain separation

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@vitormalencar Is about scaling teams

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@vitormalencar Sharing code is Hard and it gets harder and harder on a large scale

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@vitormalencar Let's check the current state of tools out there for code sharing What are our options now?

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@vitormalencar Why is hard NPM is slow It grows in complexity Custom-made tools get dated fast Sharing is usually primitive

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@vitormalencar The Goal Performance Build Time Easy sharing

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@vitormalencar Module federation

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@vitormalencar What is module federation Share modules Share components Share Functions Share data Over the wire

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@vitormalencar The place that webpack is initialized during page load Host application

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@vitormalencar Another webpack build that will be consumed by other application Remote application

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@vitormalencar What is module federation Share modules / components / functions / data deploy independent SPA's Over the wire at runtime Redundancy and self-healing powers

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@vitormalencar Capabilities Dynamic updates over the wire Minimal overhead No dev env changes Can be handled by independent teams

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@vitormalencar

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@vitormalencar

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@vitormalencar Recap Fast updates Better control independent Deploys

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@vitormalencar

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@vitormalencar

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@vitormalencar Consistency and better updates Design system library

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@vitormalencar Error Handling How to catch Errors and prevent runtime white screen

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@vitormalencar Error boundary and similar

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@vitormalencar Sharing State Handle state changes across MFE's

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@vitormalencar It works, just be reactive Redux Context RXjs Zustand .....

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@vitormalencar

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@vitormalencar Self-Healing Capabilities Fallback to remote apps vendors if a dependency fails to load.

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@vitormalencar

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@vitormalencar

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@vitormalencar Dynamic Federation Handeling module injection at runtime

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@vitormalencar And much more..

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@vitormalencar

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Danke! @vitormalencar