Spring Boot
Eberhard Wolff
Freelancer / Trainer
http://ewolff.com
Eberhard Wolff - @ewolff
What does it take
to implement a
Java Web
Application?
Eberhard Wolff - @ewolff
Any non-Java
guys in the room?
Eberhard Wolff - @ewolff
Java
AppServer
Libraries
Build
WAR
Eberhard Wolff - @ewolff
Java
AppServer
Libraries
Build
WAR
#SRSLY?
Enter Spring
Boot
Spring Boot
Demo
Eberhard Wolff - @ewolff
Spring Boot
•  Build much easier
•  Supports Gradle & Ant, too
•  Not limited to simple applicati...
Let‘s add
Spring Data
JPA!
Eberhard Wolff - @ewolff
Spring Data JPA
•  Makes implementation of
repositories trivial
•  Just provide an interface
•  N...
Spring Boot +
Spring Data
JPA Demo
Eberhard Wolff - @ewolff
Behind the Scenes
•  DataSource for HSQL created
•  JPA infrastructure created
•  Thymeleaf infra...
Eberhard Wolff - @ewolff
Spring Boot
•  Creates sensible infrastructure
defaults
•  i.e. DataSource if HSQL is on the
clas...
Auto
Configuration

Demo
Eberhard Wolff - @ewolff
Spring Boot Starter
•  Support for specific frameworks
amqp
aop
batch
data-jpa
data-mongodb data-...
Spring Boot
for Dev
Eberhard Wolff - @ewolff
Dev
•  Turn Around
•  Thymeleaf Templates can be
changed on the fly
•  …same with class files
•  ...
Spring Boot

for Dev

Demo
Spring Boot
for Ops
Eberhard Wolff - @ewolff
CRaSH Shell
•  Ever ssh’d into your application?
•  Enter CRaSH
•  External library integrated in...
Spring Boot

CRaSH Demo
Eberhard Wolff - @ewolff
Actuator
•  Provide information about the
application
•  Via http / JSON
•  Can be evaluated by m...
Spring Boot

Actuator
Demo
Eberhard Wolff - @ewolff
Deploy
•  Just package everything in an
executable JAR
•  …or a WAR
•  Based on Maven or Gradle
•...
Spring Boot

Deploy Demo
Eberhard Wolff - @ewolff
Conclusion
•  Easy to start
•  Can add libraries and features as
needed
•  Dev: Quick turn around...
Eberhard Wolff - @ewolff
Links
http://start.spring.io/
http://projects.spring.io/spring-boot/
https://github.com/spring-pr...
Eberhard Wolff - @ewolff
Thank You!!
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Spring Boot

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Vortrag auf dem Expertenkreis Java, 14.8.2014, GEDOPLAN Bielefeld, Eberhard Wolff

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Spring Boot

  1. 1. Spring Boot Eberhard Wolff Freelancer / Trainer http://ewolff.com
  2. 2. Eberhard Wolff - @ewolff What does it take to implement a Java Web Application?
  3. 3. Eberhard Wolff - @ewolff Any non-Java guys in the room?
  4. 4. Eberhard Wolff - @ewolff Java AppServer Libraries Build WAR
  5. 5. Eberhard Wolff - @ewolff Java AppServer Libraries Build WAR #SRSLY?
  6. 6. Enter Spring Boot
  7. 7. Spring Boot Demo
  8. 8. Eberhard Wolff - @ewolff Spring Boot •  Build much easier •  Supports Gradle & Ant, too •  Not limited to simple application •  Can add any other library •  Application much easier to test, debug etc •  Simple code
  9. 9. Let‘s add Spring Data JPA!
  10. 10. Eberhard Wolff - @ewolff Spring Data JPA •  Makes implementation of repositories trivial •  Just provide an interface •  Needs JPA infrastructure of course
  11. 11. Spring Boot + Spring Data JPA Demo
  12. 12. Eberhard Wolff - @ewolff Behind the Scenes •  DataSource for HSQL created •  JPA infrastructure created •  Thymeleaf infrastructure created •  Can also use JSP, Velocity, Freemarker, Groovy templates •  How does it work? •  Convention over configuration
  13. 13. Eberhard Wolff - @ewolff Spring Boot •  Creates sensible infrastructure defaults •  i.e. DataSource if HSQL is on the classpath •  Done by *AutoConfiguration classes
  14. 14. Auto Configuration
 Demo
  15. 15. Eberhard Wolff - @ewolff Spring Boot Starter •  Support for specific frameworks amqp aop batch data-jpa data-mongodb data-rest integration jdbc mobile redis security test web websocket actuator remote-shell jetty tomcat log4j logback web services social elasticsearch Solr
  16. 16. Spring Boot for Dev
  17. 17. Eberhard Wolff - @ewolff Dev •  Turn Around •  Thymeleaf Templates can be changed on the fly •  …same with class files •  Spring Loaded makes reloading more powerful
  18. 18. Spring Boot
 for Dev
 Demo
  19. 19. Spring Boot for Ops
  20. 20. Eberhard Wolff - @ewolff CRaSH Shell •  Ever ssh’d into your application? •  Enter CRaSH •  External library integrated into Spring Boot •  Alternative approach to operations
  21. 21. Spring Boot
 CRaSH Demo
  22. 22. Eberhard Wolff - @ewolff Actuator •  Provide information about the application •  Via http / JSON •  Can be evaluated by monitoring tools etc. •  Another alternative approach to monitoring
  23. 23. Spring Boot
 Actuator Demo
  24. 24. Eberhard Wolff - @ewolff Deploy •  Just package everything in an executable JAR •  …or a WAR •  Based on Maven or Gradle •  Build in configuration (YAML, properties etc.)
  25. 25. Spring Boot
 Deploy Demo
  26. 26. Eberhard Wolff - @ewolff Conclusion •  Easy to start •  Can add libraries and features as needed •  Dev: Quick turn around •  Ops: Integrated monitoring •  Ops: Easy deployment •  Didn’t show Groovy support
  27. 27. Eberhard Wolff - @ewolff Links http://start.spring.io/ http://projects.spring.io/spring-boot/ https://github.com/spring-projects/spring-boot https://github.com/ewolff/spring-boot-demos https://spring.io/guides/gs/spring-boot/ https://spring.io/guides/gs/actuator-service/ https://spring.io/guides/gs/spring-boot-cli- and-js/
  28. 28. Eberhard Wolff - @ewolff Thank You!!

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