A single decision, made in a dimly lit conference room, can change the fate of a multi-billion dollar company. What if that decision, embraced by an entire industry for a decade, was fundamentally wrong? For years, we've been told the gospel of microservices: that to scale, you must break everything apart. That to handle high demand, you need a sprawling, distributed ecosystem. It turns out, the dogma was a lie. And one of the biggest companies in the world just proved it. The Unthinkable: Amazon Goes Monolith Imagine being a leader at Amazon, the very company that pioneered the microservices revolution. Now, imagine admitting that a key component of Amazon Prime Video—a service with hundreds of millions of users—was a financial and performance disaster because of its microservices architecture. That's exactly what happened. In a strategic reversal that sent shockwaves through the tech world, the Prime Video team refactored a critical service from a complex, distributed setup ...