Pro Spring Boot

373 Pages·2016·16.132 MB·English

by  Felipe Gutierrez (auth.)

THE EXPERT’S VOICE® IN SPRING
Pro
Spring Boot
A no-nonsense guide containing case
studies and best practices for Spring Boot
—
Felipe Gutierrez
Pro Spring Boot
Felipe Gutierrez
Pro Spring Boot
Felipe Gutierrez
Albuquerque
New Mexico, USA
ISBN-13 (pbk): 978-1-4842-1432-9 ISBN-13 (electronic): 978-1-4842-1431-2
DOI 10.1007/978-1-4842-1431-2
Library of Congress Control Number: 2016941344
Copyright © 2016 by Felipe Gutierrez
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Managing Director: Welmoed Spahr
Lead Editor: Steve Anglin
Technical Reviewer: Manuel Jordan Elera
Editorial Board: Steve Anglin, Pramila Balan, Louise Corrigan, Jonathan Gennick, Robert Hutchinson,
Celestin Suresh John, Michelle Lowman, James Markham, Susan McDermott, Matthew Moodie,
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To my wife, Norma Castaneda.

Contents at a Glance
About the Author ...................................................................................................xiii
About the Technical Reviewer .................................................................................xv
Acknowledgments .................................................................................................xvii
■ Chapter 1: Introduction to Spring Boot ..................................................................1
■ Chapter 2: Your First Spring Boot Application .......................................................9
■ Chapter 3: Spring Boot Auto-Confi guration, Features, and More ........................43
■ Chapter 4: Spring Boot CLI ..................................................................................73
■ Chapter 5: Spring with Spring Boot .....................................................................89
■ Chapter 6: Testing with Spring Boot ..................................................................107
■ Chapter 7: Data Access with Spring Boot ..........................................................121
■ Chapter 8: Web Development with Spring Boot .................................................149
■ Chapter 9: Security with Spring Boot ................................................................177
■ Chapter 10: Messaging with Spring Boot ..........................................................211
■ Chapter 11: Spring Boot Actuator .....................................................................245
■ Chapter 12: Deploying Spring Boot ...................................................................283
■ Chapter 13: Spring Boot in the Cloud ................................................................307
■ Chapter 14: Extending Spring Boot Apps ..........................................................335
■ Appendix: Spring Boot 1.4.x ..............................................................................357
Index .....................................................................................................................361
v

Contents
About the Author ...................................................................................................xiii
About the Technical Reviewer .................................................................................xv
Acknowledgments .................................................................................................xvii
■ Chapter 1: Introduction to Spring Boot ..................................................................1
Spring Boot .......................................................................................................................1
Spring Applications .................................................................................................................................2
Spring Boot to the Rescue ......................................................................................................................3
Why Spring Boot? ...................................................................................................................................6
Spring Boot Features ..............................................................................................................................6
Summary ..........................................................................................................................7
■ Chapter 2: Your First Spring Boot Application .......................................................9
Installing Spring Boot CLI .................................................................................................9
UNIX OSs: Linux, OS X, and Solaris .........................................................................................................9
Windows OS..........................................................................................................................................11
Spring Boot with Maven and Gradle ...............................................................................13
Using Maven .........................................................................................................................................13
Using Gradle .........................................................................................................................................14
Spring Boot Using External Tools....................................................................................16
Spring Boot Using the Spring Initializr ..................................................................................................16
Using the Spring Initializr with UNIX cURL ............................................................................................18
Spring Boot Using Spring Tool Suite (STS) ............................................................................................19
vii
■ CONTENTS
Your First Spring Boot Application ..................................................................................24
Spring Boot Journal ..............................................................................................................................24
How Spring Boot Works ........................................................................................................................39
Summary ........................................................................................................................41
■ Chapter 3: Spring Boot Auto-Confi guration, Features, and More ........................43
Auto-Confi guration .........................................................................................................43
Disabling a Specifi c Auto-Confi guration ...............................................................................................45
@EnableAutoConfi guration and @Enable<Technology> Annotations ............................47
Spring Boot Features ......................................................................................................49
SpringApplication Class ........................................................................................................................51
SpringApplicationBuilder ......................................................................................................................56
Application Arguments .........................................................................................................................58
ApplicationRunner and CommandLineRunner ......................................................................................60
Application Confi guration ...............................................................................................62
Confi guration Properties Examples ......................................................................................................63
Custom Properties Prefi x ......................................................................................................................69
Summary ........................................................................................................................72
■ Chapter 4: Spring Boot CLI ..................................................................................73
Spring Boot CLI ...............................................................................................................73
The run Command ................................................................................................................................74
The test Command ...............................................................................................................................76
The grab Command ..............................................................................................................................78
The jar Command .................................................................................................................................79
The war Command ...............................................................................................................................80
The install Command ............................................................................................................................81
The uninstall Command ........................................................................................................................81
The init Command ................................................................................................................................82
The shell Command ..............................................................................................................................85
The help Command ...............................................................................................................................86
Summary ........................................................................................................................87
viii
■ CONTENTS
■ Chapter 5: Spring with Spring Boot .....................................................................89
Spring Web Applications .................................................................................................89
J2EE Web Applications .........................................................................................................................89
Spring MVC Applications.......................................................................................................................93
Spring Boot Web Applications ...............................................................................................................98
Using Spring with Spring Boot .....................................................................................101
XML with Spring Boot .........................................................................................................................101
Groovy Beans in Spring Boot ..............................................................................................................102
Standalone Spring Apps vs. Spring Boot Apps ..................................................................................103
Using Spring Technologies in Spring Boot ....................................................................104
Summary ......................................................................................................................105
■ Chapter 6: Testing with Spring Boot ..................................................................107
Testing Spring Boot ......................................................................................................107
Web Testing ..................................................................................................................109
Summary ......................................................................................................................120
■ Chapter 7: Data Access with Spring Boot ..........................................................121
SQL Databases .............................................................................................................121
Data Access Using the JDBC Template with Spring Boot ...................................................................122
Data Access Using JPA with Spring Boot............................................................................................131
NoSQL Databases .........................................................................................................140
Summary ......................................................................................................................147
■ Chapter 8: Web Development with Spring Boot .................................................149
Spring MVC ...................................................................................................................149
Spring Boot Web Applications ......................................................................................150
Playing with the HAL Browser ......................................................................................171
Summary ......................................................................................................................175
ix