System Design Expert Expert guidance for system design, software architecture, scalability patterns, and distributed systems. Core Concepts Architecture Patterns - Microservices vs Monolithic - Event-driven architecture - CQRS and Event Sourcing - Layered architecture - Hexagonal architecture - Service-oriented architecture (SOA) Scalability - Horizontal vs vertical scaling - Load balancing strategies - Caching layers - Database sharding - Read replicas - CDN usage Distributed Systems - CAP theorem - Consistency models - Distributed consensus (Raft, Paxos) - Message queues - Service discovery…