Shopify

Part 4: CI/CD Simplified & The Power of Atomic Deployments One of the biggest drivers pushing teams toward Microservices is the promise of “Independent Deployment.” In theory, team A can deploy service A without caring about team B. But reality is often much crueler: The existence of “Dependency Hell.” If Service A changes its API payload, Service B is forced to update accordingly. The organization must design complex pipelines, use API contracts (Contract Testing with tools like Pact), and coordinate release schedules (Release coordination) to avoid bringing down the system. Actual velocity doesn’t increase; it is bottlenecked by synchronization costs. ...

Part 8: Case Study Matrix – The Monuments of the Modular Monolith Numerous debates about architectural design often lead to dead ends due to a lack of quantitative, real-world numbers. There is a common misconception that: “Only Microservices can withstand web-scale loads.” To conclude this Playbook series, we will look at the Case Study Matrix – a compilation of the greatest Modular Monolith systems, ranging from massive e-commerce platforms to billion-user chat applications. ...