2001–2002 monolithic application + teams 2001 Lesson learned: decompose for agility 2002 microservices + 2 pizza teams Full ownership Full accountability “DevOps” Focused innovation Two-pizza When the impact of change is small, release velocity can increase Monolith Does everything Microservices Does one thing MICROSERVICE API API MICROSERVICE MICROSERVICE EVENT API MICROSERVICE APPLICATION Mobile client Client IoT PERSISTENCE PERSISTENCE Microservices Architecture APIs are the front door of microservices Mobile apps Websites Services Internet Amazon CloudFront Amazon

Cloud-Optimized PaaS Cloud-Native PaaS for microservices and serverless Cloud Infrastructure-Ready VMs Managed services Azure PaaS for containerized microservices + Serverless computing + Managed services