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Getting Familiar with Spring BootMattias Severson17th March 2015
Mattias
@mattiasseverson
http://jayway.com/author/mattiasseverson/
Agenda• Spring Boot
• Getting Started
• Micro Service
• Production Ready Features
• and more…
Spring Boot?Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run". We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss.
Requirements
• Recommended to use Java 8
• Default support of Java 7
• Can use Java 6 with some config
Maturity• Announced in Sept 2013
• 1.0 released April 2014
• Latest release 1.2.2 February 2015
• Built on Spring 4.1.x
Starter POMsspring-boot-starter-*
• spring-boot-starter-web
• spring-boot-starter-security
• spring-boot-starter-data-mongodb
• spring-boot-starter-websocket
• spring-boot-starter-social-facebook
• 40+ in total
Bean Magic
@SpringBootApplication
@Configuration
@ComponentScan
@EnableAutoConfiguration
@EnableAutoConfiguration
@Conditional
@ConditionalOnClass
@ConditionalOnBean
@ConditionalOnMissingBean
Micro Service
• Little (own) code required
• ~10 MB disc (incl Embedded Tomcat)
• ~300 MB memory (incl Tomcat)
Production Ready
“Feature complete” is not the same as “production ready”
Actuator• Metrics
• Health Check
• Environment
• Trace
• …
Logging
• Logback by default
• Log rotation
• Predefined format
• Configurable location and filename
Configurable• server.port=8090
• server.session-timeout=30
• security.user.name=admin
• spring.http.gzip.*
• and much more…
More Features• Externalized Configuration
• CommandLineRunner
• Application Events and Listeners
• MessageChannel
• DB Schema Migration
• …
View SupportSupported Template Engines:
• FreeMarker
• Groovy Templates
• Thymeleaf
• Velocity
• Mustache
ReferencesSpring Initializr http://start.spring.io/Spring Guides http://spring.io/guides/
Spring Boot Reference Guide
http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/
@mattiasseverson
http://jayway.com/author/mattiasseverson/
