ZudoJS architecture

Build the same application as a monolith, a modular monolith and microservices, then build event-driven and full CQRS systems, and compare the trade-offs honestly.

2 lessons
2 h to read and try
Before this: ZudoJS advanced systems

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When you finish, you can

Build a well-structured ZudoJS monolith
Draw and enforce module boundaries
Split services and choose RPC, events or queues between them
Build idempotent, versioned event handlers
Combine commands, queries, events and transactions in one system

You build: One commerce application in three architectures

MODULE 1

Architecture modes

1From monolith to modular monolithSplit one growing application into modules with clear boundaries. Each module has a small public API, owns its data, and talks to the others through that API, events and commands, all inside one deployable app.45 min
2MicroservicesWhy some teams split one application into many services, why you should not start that way, and how services find and call each other, stay consistent without distributed transactions, survive failures and stay observable.55 min

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