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In this video, we compare Monolithic Architecture, SOA (Service-Oriented Architecture), and Microservices to help you understand how they differ and when to use each one. This is Part 02 of the Microservices Mastery series. We break down the concepts in a simple, practical wayβno fluff, just real-world understanding. In this video: What a monolith is and where it works best What SOA is and how it evolved How microservices differ from SOA Key trade-offs: scalability, deployment, and complexity Which architecture you should choose and why Ideal for developers, architects, and anyone preparing for system design interviews. π₯ What Youβll Learn in This Course β Microservices vs Monolith vs SOA β Service decomposition & DDD fundamentals β API Gateway & Service Discovery β Event-Driven Architecture & Messaging β Saga Pattern, CQRS & Event Sourcing β Resilience, Security & Observability β Docker, Kubernetes & CI/CD basics β Production best practices & 12-Factor App All concepts are explained with practical Node.js examples and real-world use cases. π¨βπ» Who This Course Is For * Node.js developers (Beginner β Intermediate) * Backend engineers moving to microservices * Developers preparing for system design interviews * Engineers building scalable distributed systems π§ Prerequisites * Basic Node.js & JavaScript * REST API fundamentals * Basic database knowledge * Command line basics π¦ Course Structure Overview ``` 01. Introduction to Microservices 02. Monolith to Microservices 03. Communication Patterns 04. API Gateway Pattern 05. Service Discovery 06. Database Patterns 07. Event-Driven Architecture 08. Saga Pattern 09. CQRS & Event Sourcing 10. Resilience Patterns 11. Security in Microservices 12. Observability 13. Deployment & DevOps 14. Twelve-Factor App ``` π Hands-On Projects πΉ Simple Microservices β User & Order services πΉ E-Commerce Platform β Product, Cart, Payment & Notifications πΉ Fintech System β Event-driven banking & fraud detection These projects help you think like a backend architect, not just write code. βοΈ Tech Stack Used * Node.js 20+ * TypeScript * Express.js * RabbitMQ, Redis * PostgreSQL, MongoDB * Docker & Docker Compose * OpenAPI / Swagger π How to Get the Most Out of This Course 1οΈβ£ Watch modules in order 2οΈβ£ Run examples locally 3οΈβ£ Experiment with patterns 4οΈβ£ Build your own services 5οΈβ£ Apply concepts to real projects π If You Find This Helpful π Like the video π Share with fellow developers π Subscribe for more backend & system design content Letβs master microservices architecture together π‘π₯ #Microservices #NodeJS #BackendDevelopment #SystemDesign #DistributedSystems #TypeScript #Docker #Kubernetes #EventDrivenArchitecture #SoftwareArchitecture