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Join this keynote talk from Devoxx Greece 2025 where James Lewis, co-author of the original Microservices definition, reflects on a decade of microservices architecture evolution. Explore how the software development landscape has transformed since 2014 when the microservices concept was formally defined. Learn about the nine original characteristics of microservices and discover the valuable lessons learned as this architectural style became the predominant approach for building software at scale. Gain insights into how technologies like Docker, Kubernetes, and cloud-native practices have fulfilled promises that were once just emerging concepts, while understanding how practices like Testing in Production have evolved from controversial ideas to indicators of engineering maturity. This retrospective examination provides both historical context and practical wisdom about the architectural approach that has fundamentally changed how we build distributed systems.
