We've seen a lot of theory behind microservice architecture in Chapter 3, Working with Microservices. It's time to do some hands-on practice; we are going to implement our own microservice. This will be a simple REST service, accepting HTTP methods such as GET and POST to retrieve and update entities. There are a couple of choices when developing microservices in Java. In this chapter, we are going to get an overview about two main approaches, probably the most popular will be JEE7, and Spring Boot. We will briefly see how we can code a microservice using JEE JAX-RS. We will also create a microservice running on Spring Boot. In fact, in Chapter 5, Creating Images with Java Applications, we are going to run our Spring Boot microservice from within a Docker container. As we have said in Chapter 3, Working with Microservices, microservices usually...
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Docker and Kubernetes for Java Developers
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Docker and Kubernetes for Java Developers
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Overview of this book
Imagine creating and testing Java EE applications on Apache Tomcat Server or Wildfly Application server in minutes along with deploying and managing Java applications swiftly. Sounds too good to be true? But you have a reason to cheer as such scenarios are only possible by leveraging Docker and Kubernetes.
This book will start by introducing Docker and delve deep into its networking and persistent storage concepts. You will then proceed to learn how to refactor monolith application into separate services by building an application and then packaging it into Docker containers. Next, you will create an image containing Java Enterprise Application and later run it using Docker. Moving on, the book will focus on Kubernetes and its features and you will learn to deploy a Java application to Kubernetes using Maven and monitor a Java application in production. By the end of the book, you will get hands-on with some more advanced topics to further extend your knowledge about Docker and Kubernetes.
Table of Contents (12 chapters)
Preface
Free Chapter
Introduction to Docker
Networking and Persistent Storage
Working with Microservices
Creating Java Microservices
Creating Images with Java Applications
Running Containers with Java Applications
Introduction to Kubernetes
Using Kubernetes with Java
Working with the Kubernetes API
Deploying Java on Kubernetes in the Cloud
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