As you remember from Chapter 1, Introduction to Docker, the Docker container filesystem is kind of temporary by default. If you start up a Docker image (that is, run the container), you'll end up with a read-write layer on top of the layers stack. You can create, modify, and delete files as you wish; if you commit the changes back into the image, they will become persisted. This is a great feature if you want to create a complete setup of your application in the image, altogether with all its environment. But, this is not very convenient when it comes to storing and retrieving data. The best option would be to separate the container life cycle and your application from the data. Ideally, you would probably want to keep these separate, so that the data generated (or being used) by your application is not destroyed or tied to the container life cycle and...
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.
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Docker and Kubernetes for Java Developers
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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