Stack Overflow

Answer-first: The Modular Monolith case study matrix evaluates how industry leaders—including Shopify, GitHub, Segment, Etsy, and Stack Overflow—scale core systems using monolithic architecture. These real-world production benchmarks prove that co-locating domains reduces infrastructure expenses, deployment friction, and network latency while maintaining high development velocity. Pillar Architecture Guide: This article is part of the Architecting 21-Service E-commerce with Golang & DDD series and Composable E-Commerce Migration guide. Please refer to the original article for a detailed technical overview of the architecture. ...

Pillar Architecture Guide: This article is part of the Architecting 21-Service E-commerce with Golang & DDD series and Composable E-Commerce Migration guide. Please refer to the original article for a detailed overview of the architecture. Prerequisite: Before reading this part, please review Part 0: Executive Summary — How Amazon Prime Video Saved 90% on Infrastructure. Part 1: Architectural Decision Framework Executive Summary & Quick Answer: Deciding between a Modular Monolith and Microservices depends on organizational scale, transaction consistency requirements, and latency limits. Teams with under 50 developers should build a modular monolith to avoid the administrative and operational “microservice premium”, using direct memory function calls to bypass network latency and complex distributed transaction protocols. ...