In his QCon London presentation, Luca Mezzalira from AWS explored the concept of micro frontends and their implementation for businesses. He shared insights on determining if micro frontends are suitable for an organization and detailed fundamental principles for architectural design. Mezzalira emphasized the importance of reducing API exposure, ensuring context-aware states within micro frontends, and avoiding over-optimization for reusability. He articulated that micro frontends adapt as businesses evolve, reflecting changes in team structures and fostering organizational agility, enabling faster upgrades and reduced cognitive loads on teams.
Micro-frontends are the technical representation of a business subdomain. They allow independent implementation with the same or different technology. They should minimize the code shared and owned by other subdomains.
Mezzalira highlighted that microfrontends evolve with the business itself, indicating that boundaries are not forever. This evolution reflects shifting organizational structures from hierarchical to more autonomous units.
Neil Ford emphasized, 'Reuse is a form of coupling', stressing that reducing exposed APIs is crucial and that optimizing for reusability can hinder fast flow.
The organizational benefits of microfrontends include incremental upgrades, faster feedback loops for critical features, reduced cognitive load for teams, and scalable technology solutions.
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