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When is a micro frontend architecture usually not worth the added complexity for a project? What are the main strategies for composing multiple micro frontends together into one user experience? How does Module Federation, a popular tool used with micro frontends, let separate Angular applications share code at runtime? What are some of the main challenges teams face when adopting a micro frontend architecture with Angular?
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What is a micro frontend architecture, and why might a large organization choose it for their Angular apps?

Intermediate

Answer

A micro frontend architecture splits a large web application into several smaller, independently developed and deployed applications, often owned by separate teams, that are then composed together into a single user experience. This lets large organizations scale development across many teams without everyone needing to coordinate releases of one single massive application.
// Conceptually, a shell app loads separate independently deployed applications
// Team A owns and deploys the 'checkout' micro frontend
// Team B owns and deploys the 'catalog' micro frontend
// Both are composed together into one seamless user experience
Real-world example A large retail company splits their website into separate checkout, catalog, and account micro frontends, each owned and deployed independently by different teams, letting each team ship updates without waiting on the others.

Common follow-ups: What are the main challenges a team faces when adopting a micro frontend architecture?;How does this approach compare to simply using Angular's own lazy loaded feature modules?

NgModules & Modular Architecture;Angular Elements (Web Components)
All 5 Micro Frontends with Angular questions