Introduction

In recent years, the drive for microservice-based architectures has gained wide adoption, thanks to the simplicity and ease of maintenance it provides when done the right way. A lot of companies, such as Netflix and Amazon, have moved from monolithic systems to more focused and lighter systems, all talking with each other via RESTful web services. The advent of RESTful web services and its straightforward approach to creating web services using the known HTTP protocol has made it easier for communication between applications than the older SOAP-based web services.   

In this chapter, we will look at the Spring Boot framework, which provides a convenient way to create production-ready microservices using Spring libraries. Using Spring Boot, we will develop a simple RESTful web service and deploy it to the cloud.