Continuous Delivery in Java - Daniel Bryant.pdf

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Continuous
Delivery
in Java
ESSENTIAL TOOLS AND BEST PRACTICES
FOR DEPLOYING CODE TO PRODUCTION
Daniel Bryant
& Abraham Marín-Pérez
Continuous Delivery in Java
Essential Tools and Best Practices
for Deploying Code to Production
Daniel Bryant and Abraham Marín-Pérez
Beijing
Boston Farnham Sebastopol
Tokyo
Continuous Delivery in Java
by Daniel Bryant and Abraham Marín-Pérez
Copyright © 2019 Daniel Bryant and Cosota Team Ltd. All rights reserved.
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Editor:
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November 2018:
First Edition
Indexer:
Ellen Troutman-Zaig
Interior Designer:
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Cover Designer:
Karen Montgomery
Illustrator:
Rebecca Demarest
Revision History for the First Edition
2018-11-06:
First Release
See
http://oreilly.com/catalog/errata.csp?isbn=9781491986028
for release details.
The O’Reilly logo is a registered trademark of O’Reilly Media, Inc.
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While the publisher and the authors have used good faith efforts to ensure that the information and
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or reliance on this work. Use of the information and instructions contained in this work is at your own
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licenses or the intellectual property rights of others, it is your responsibility to ensure that your use
thereof complies with such licenses and/or rights.
978-1-491-98602-8
[LSI]
Table of Contents
Forewords. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
1.
Continuous Delivery: Why and What. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Setting the Scene
Enabling Developers: The Why
Rapid Feedback Reduces Context Switching
Automatic, Repeatable, and Reliable Releases
Codifying the Definition of “Done”
Exploring a Typical Build Pipeline: The What
Core Build Pipeline Stages
Impact of Container Technology
Changes with Contemporary Architectures
Summary
1
2
2
3
4
5
5
8
9
10
2.
Evolution of Java Development. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Requirements of Modern Java Applications
Need for Business Speed and Stability
Rise of the API Economy
Opportunities and Costs of the Cloud
Modularity Redux: Embracing Small Services
Impact on Continuous Delivery
Evolution of Java Deployment Platforms
WARs and EARs: The Era of Application Server Dominance
Executable Fat JARs: Emergence of Twelve-Factor Apps
Container Images: Increasing Portability (and Complexity)
Function as a Service: The Emergence of “Serverless”
13
14
15
15
16
17
17
17
18
19
20
iii

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