Microservices enabled with RESTful APIs are the hot commodity these days. Microservices have emerged as the optimal unit of application development and deployment, not only for building and running enterprise-grade and production-ready applications, but also for modernizing currently-running applications. That is, legacy applications are being dismantled as a collection of microservices. Because of their unique features, microservices are becoming established as the most appropriate unit for migrating applications to cloud environments; that is, microservices contribute immensely to crafting and running cloud-enabled applications. Fresh applications are being directly developed in cloud environments, called cloud-native applications. This chapter discussed legacy modernization, why it's becoming essential, and how the MSA pattern assists in creating modern applications...





















































