This document summarizes updates to Spring Boot, including updates from versions 1.0 to 1.3. It highlights new features like auto-configuration, embedded servlet engines, developer tools, caching support, and the ability to create fully executable JAR files. It also briefly mentions upcoming updates in Spring Boot 1.4 and Spring 5, including JDK 9 support, HTTP/2, and reactive programming.

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Spring Boot Update
Sergi Almar
@sergialmar
Singapore SUG – Jan 2016

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CFP IS OPEN!

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10 years of teaching Spring
 2006: xml namespace was a big revolution
– Turned 300 lines of XML config into 10 lines
 2007: Creation of Spring MVC as we know it now
– Based on annotations @RequestMapping, @RequestParam…
 2009: JavaConfig
 2011: Profiles
 2014: Spring Boot 1.0!
– Convention over configuration, smart tools

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Spring Boot
 An opinionated runtime for Spring Projects
– Convention-over-configuration, no XML, no code generation
 Supports different project types, like Web and Batch
 Handles most low-level, predictable setup for you
– Auto-configure, embedded servlet engine

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Spring Boot 1.3
 Requires Spring Framework 4.2, uses Spring Security 4.0
 Colorful ASCII art banners - DEMO

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DEMO

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Developer Tools
 Sensible Property defaults
 Automatic application restart
 Remote development support
 LiveReload support
 Persistent HTTP session across restarts

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DEMO

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Caching Auto-configuration
 Auto configuration for:
JCache (JSR 107)

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DEMO

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More Auto-configuration
 Cassandra
 Spring Session
 OAuth2
 jOOQ
 SendGrid
 Artemis

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DEMO

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Fully Executable JARs
 You can now execute a JAR as: ./my.jar
 Or install it on init.d
– $ sudo link -s /var/myapp/my.jar /etc/init.d/myapp

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DEMO

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Spring Boot 1.3
 Persistent sessions
 Support for @WebServlet, @WebFilter and @WebListener
– Using @ServletComponentScan
 And much more…

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Migrating to Spring Boot 1.3
 Several properties renamed
 Check out the updated dependencies
 More: https://github.com/spring-projects/spring-
boot/wiki/Spring-Boot-1.3-Release-Notes

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Spring Boot 1.4

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Spring 5
 Q4 2016
 Comprenhensive JDK 9 support
 Java 8 baseline
 Servlet 3.0+
 HTTP/2
 Reactive support