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Explore the evolution and misconceptions surrounding modular monoliths in this conference talk that examines how architectural trends cycle through the software development industry. Discover why modular monoliths, despite being marketed as a revolutionary solution to microservices complexity, represent a rebranding of established architectural principles rather than genuine innovation. Learn about the historical context of modularity in programming languages and software architecture spanning from the 1960s to present day, covering information hiding, data abstraction, component-based development, and process-based architectures. Understand why many development teams initially adopted microservices not for their runtime or deployment advantages, but as an escape from poorly structured monolithic codebases, and how this often resulted in reinforcing poor partitioning practices rather than solving underlying design issues. Gain insights into the challenges faced by developers who have primarily worked with microservices throughout their careers and are now discovering modularity concepts for the first time. Examine the cyclical nature of architectural trends and learn to distinguish between genuine innovation and repackaged solutions in software architecture decision-making.
