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Docker and Kubernetes for Java Developers

You're reading from Docker and Kubernetes for Java Developers Scale, deploy, and monitor multi-container applications

Product type Paperback

Published in Aug 2017

Publisher Packt

ISBN-13 9781786468390

Length 318 pages

Edition 1st Edition

Languages

Java

Tools

Docker

Concepts

Cloud Computing

Authors (2):

Jaroslaw Krochmalski

Krochmalski

View More author details

Table of Contents (18) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Introduction to Docker FREE CHAPTER

2. Networking and Persistent Storage

3. Working with Microservices

4. Creating Java Microservices

5. Creating Images with Java Applications

6. Running Containers with Java Applications

7. Introduction to Kubernetes

8. Using Kubernetes with Java

9. Working with the Kubernetes API

10. Deploying Java on Kubernetes in the Cloud

11. More Resources

Dockerfile instructions

We will begin with the instruction that every Dockerfile must have at the top, the FROM instruction.

FROM

This is the first instruction in the Dockerfile. It sets the base image for every subsequent instruction coming next in the file. The syntax for the FROM instruction is straightforward. It's just:

FROM <image>, or FROM <image>:<tag>, or FROM <image>@<digest>

The FROM instruction takes a tag or digest as a parameter. If you decide to skip them, Docker will assume you want to build your image from the latest tag. Be aware that latest will not always be the latest version of the image you want to build upon. The latest tag is kind of a special one. Also, it may not work as you may expect. Well, to cut a long story short, it doesn't mean anything special unless the image creator (openjdk or fabric8, for example) has a specific build, tag, and push pattern. The latest tag assigned to an image simply means that it's the image that was last...

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Authors (2)

Jaroslaw Krochmalski

Jaroslaw Krochmalski

Jaros?aw Krochmalski is a passionate software designer and developer who specializes in the financial business domain. He has over 12 years of experience in software development. He is a clean-code and software craftsmanship enthusiast. He is a Certified Scrum Master and a fan of Agile. His professional interests include new technologies in web application development, design patterns, enterprise architecture, and integration patterns. He has been designing and developing software professionally since 2000 and has been using Java as his primary programming language since 2002. In the past, he worked for companies such as Kredyt Bank (KBC) and Bank BPS on many large-scale projects such as international money orders, express payments, and collection systems. He currently works as a consultant at Danish company 7N as an infrastructure architect for the Nykredit bank. You can reach him via Twitter at @jkroch or by e-mail at [email protected].

See other products by Jaroslaw Krochmalski

Krochmalski

Krochmalski

Jaroslaw Krochmalski is a passionate software designer and developer who specializes in the financial business domain. He has over 12 years of experience in software development. He is a clean-code and software craftsmanship enthusiast. He is a Certified Scrum Master and a fan of Agile. His professional interests include new technologies in web application development, design patterns, enterprise architecture, and integration patterns. He has been designing and developing software professionally since 2000 and has been using Java as his primary programming language since 2002. In the past, he worked for companies such as Kredyt Bank (KBC) and Bank BPS on many large-scale projects such as international money orders, express payments and collection systems. He currently works as a consultant in Danish company 7N as an IT architect for the Nykredit bank. You can reach him via Twitter at @jkroch or by e-mail at [email protected]. I would like to say hello to my friends at 7N and Nykredit, keep up the great job!

See other products by Krochmalski

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