What's new in Spring Boot 2.0

1. A Sneak Peek at Spring Boot 2.0 By Madhura Bhave / Phil Webb @madhurabhave23 / @phillip_webb 1

2. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Agenda • What’s New • Infrastructure upgrades • Spring Framework 5 • What’s Changed • Configuration properties • Gradle plugin • Actuator endpoints • What’s Evolving • Security • Metrics 2

3. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s New • Infrastructure upgrades • Spring Framework 5 3

4. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s New • Infrastructure upgrades • Spring Framework 5 4

5. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Infrastructure Upgrades 5 8+ 8+ 5.23

6. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s New • Infrastructure Upgrades • Spring Framework 5 6

7. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Spring Framework 5 • Reactive Spring • Functional APIs • Kotlin support 7

9. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Reactive Spring 9 😀

10. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Reactive Spring 10 😱 🐌

11. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Reactive Spring Blocking • Large thread pool required • Each request gets its own thread Non-Blocking • Small thread pool • Worker threads process events 11

12. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Reactive Spring Servlet Stack • Servlet container • Servlet API • Spring MVC Reactive Stack • Netty, Servlet 3.1, Undertow • Reactive HTTP layer (Reactive Streams) • Spring WebFlux 12

13. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Reactive Spring 13 Mono<T> Flux<T> Reactive Streams Project Reactor

14. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 14 Demo

15. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Reactive Spring • Non-blocking • Event driven at the center • More for scalability than speed • You can still use Spring MVC 15

17. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Functional APIs 17 RouterFunction<?> route = route(GET("/person/{id}"), request -> { Mono<Person> person = Mono.justOrEmpty(request.pathVariable("id")) .map(Integer::valueOf) .then(repository::getPerson); return ServerResponse.ok().body(fromPublisher(person, Person.class)); }) .and(route(GET("/person"), request -> { Flux<Person> people = repository.allPeople(); return ServerResponse.ok().body(fromPublisher(people, Person.class)); })) .and(route(POST("/person"), request -> { Mono<Person> person = request.body(toMono(Person.class)); return ServerResponse.ok().build(repository.savePerson(person)); }));

18. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Spring Framework 5 • Reactive Spring • Functional APIs • Kotlin Support 18

19. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s Changed • Configuration properties • Gradle plugin • Actuator endpoints 19

21. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Configuration Properties • Relaxed binding rules stay the same • Uniform format for reading properties from the environment • Elements separated by dots • Must be alpha-numeric • Must be lowercase • Hyphen can be used to separate words 21 my.foo.hello-world my.foo.helloWorld my.foo.hello_world my.foo.helloworld

22. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Configuration Properties • Indices in environment variables MY_VAR_1=a my.var[1] MY_VAR_1_2=b my.var[1][2] • Consistent behavior for Collections • Better types, e.g. Duration “1s” “2m” “5d” • Origin support 22

23. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 23 Demo

25. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Gradle Plugin •bootRepackage replaced by bootJar & bootWar • Tasks do not figure out what to do • Plugin configures the tasks with sensible defaults • Reacts to other plugins • Explicit dependency management 25

27. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Actuator Endpoints • Endpoint annotations •@Endpoint, @WebEndpoint, @JmxEndpoint • Tech independent operations •@ReadOperation, @WriteOperation, @DeleteOperation • Tech specific extensions •@EndpointWebExtension, @EndpointJmxExtension 27

28. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Actuator Endpoints • Works with: • Spring MVC • Jersey • Spring WebFlux • Reactive health indicators 28

29. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s Evolving • Metrics • Security 29

31. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Metrics • Auto-configuration for metrics instrumentation by Micrometer * • Hierarchical metrics replaced by dimensional metrics • Facade over multiple monitoring systems 31 * Introducing Micrometer Application Metrics - (Thursday 10:30am)

33. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Security • Simpler security auto-configuration • Auto-configuration backs-off easily • Adding custom security is easy • No ordering issues with WebSecurityConfigurerAdapter • RequestMatchers for static resources and actuators • Web actuator endpoints have consistent behavior 33

34. Unless otherwise indicated, these slides are © 2013 -2017 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Security • OAuth 2.0 • Moving to Spring Security 5.0 • Support for multiple client registrations • Authorization server/Resource server support 34

35. Questions? @madhurabhave23 @phillip_webb #springone@s1p https://github.com/mbhave/webflux-demo https://github.com/mbhave/actuator-demo https://github.com/mbhave/configuration-properties-demo

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