Book Image

Spring Microservices

By : Rajesh R V
Book Image

Spring Microservices

By: Rajesh R V

Overview of this book

The Spring Framework is an application framework and inversion of the control container for the Java platform. The framework's core features can be used by any Java application, but there are extensions to build web applications on top of the Java EE platform. This book will help you implement the microservice architecture in Spring Framework, Spring Boot, and Spring Cloud. Written to the latest specifications of Spring, you'll be able to build modern, Internet-scale Java applications in no time. We would start off with the guidelines to implement responsive microservices at scale. We will then deep dive into Spring Boot, Spring Cloud, Docker, Mesos, and Marathon. Next you will understand how Spring Boot is used to deploy autonomous services, server-less by removing the need to have a heavy-weight application server. Later you will learn how to go further by deploying your microservices to Docker and manage it with Mesos. By the end of the book, you'll will gain more clarity on how to implement microservices using Spring Framework and use them in Internet-scale deployments through real-world examples.
Table of Contents (18 chapters)
Spring Microservices
About the Author
About the Reviewer

A place for the life cycle manager

The life cycle manager introduced in Chapter 6, Autoscaling Microservices, has the capability of autoscaling up or down instances based on demand. It also has the ability to take decisions on where to deploy and how to deploy applications on a cluster of machines based on polices and constraints. The life cycle manager's capabilities are shown in the following figure:

Marathon has the capability to manage clusters and deployments to clusters based on policies and constraints. The number of instances can be altered using the Marathon UI.

There are redundant capabilities between our life cycle manager and Marathon. With Marathon in place, SSH work or machine-level scripting is no longer required. Moreover, deployment policies and constraints can be delegated to Marathon. The REST APIs exposed by Marathon can be used to initiate scaling functions.

Marathon autoscale is a proof-of-concept project from Mesosphere for autoscaling. The Marathon autoscale provides...