From Spring Boot 2.2 to Spring Boot 2.3

Transcript

1. © Copyright 2020 Pivotal Software, Inc. All rights Reserved.
   From Spring Boot 2.2 to Spring
   Boot 2.3
   Stéphane Nicoll - @snicoll
   

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2. 2019 Edition Recap
   October 7-10 2019
   Austin Convention Center
   

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6. Spring Boot 2.2
   

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7. Java 13
   https://github.com/spring-projects/spring-framework/wiki/Spring-Framework-Versions#jdk-version-range
   

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8. Dependency management Upgrades
   

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9. New Features
   

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10. Important Features
    

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12. RSocket
    

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13. RSocket
    

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14. Health Indicator Group
    

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15. Health Indicator Group
    management.endpoint.health.group.liveness.include=ping
    management.endpoint.health.group.readiness.include=db,redis
    GET /actuator/health/liveness
    GET /actuator/health/readiness
    

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16. Immutable Configuration Properties
    

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17. Immutable Configuration Properties
    @ConfigurationProperties("acme")
    @ConstructorBinding
    public class AcmeProperties {
    private final Duration timeout;
    private final DataSize bufferSize;
    private final Security security;
    public AcmeProperties(@DefaultValue("10s") Duration timeout, DataSize bufferSize,
    Security security) {
    this.timeout = timeout;
    this.bufferSize = bufferSize;
    this.security = security;
    }
    ...
    }
    

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18. @ConfigurationProperties("acme")
    @ConstructorBinding
    data class AcmeProperties(val timeout: Duration = Duration.ofSeconds(10),
    val bufferSize: DataSize?,
    val security: Security) {
    ...
    }
    https://github.com/snicoll/demo-immutable-config-props
    Immutable Configuration Properties
    

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19. JUnit 5
    

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20. JUnit 5
    // @ExtendWith(SpringExtension.class)
    @SpringBootTest
    class MyApplicationTests {
    @Test
    void resourceFileCreated(@TempDir Path tmpDir) {
    // ...
    }
    }
    

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21. Performance
    

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22. Performance
    • Startup time
    • Lazy initialization
    • Runtime performance
    

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23. start.spring.io
    

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27. Statistics
    

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28. How many projects do we
    generate a year?
    10K
    100K
    1M+
    

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29. How many projects do we
    generate a year?
    10K
    100K
    1M+
    ✔
    month
    

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30. What are the top 3 countries?*
    India
    US
    China
    
    
    
    * Sep 2018 - Sep 2019
    #15
    

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31. What’s the client split?*
    Web IDE
    CLI
    * Sep 2018 - Sep 2019
    

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32. What’s the client split?*
    Web IDE
    CLI
    * Sep 2018 - Sep 2019 (without China)
    

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33. ⚡To Spring Boot 2.3⚡
    

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34. Spring Framework 5.3
    

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35. Spring Framework 5.3
    • Preparing for JDK 17 LTS
    • Embracing GraalVM native images
    • Wrap-up 5.x themes (RSocket, Coroutines)
    

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36. Spring Boot 2.3
    

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37. Spring Boot 2.3
    • Container Support with Cloud Native Buildpacks
    • Kubernetes Support
    • Dependency Upgrades (Spring Data)
    • 6 months release cadence (Apr 2020)
    

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38. Support Policy
    

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39. Support Policy
    October 2018 Spring Boot 2.1 GA
    August 2019 Spring Boot 1 EOL
    January 2020 Spring Framework 5.0/4.3 last release
    October 2019 Spring Boot 2.2 GA
    

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40. April 2020 Spring Boot 2.3 GA
    October 2020 Spring Framework 5.3 / Spring Boot 2.4 GA
    December 2020 Spring Framework 5.1/4.3 EOL
    November 2020 Spring Boot 2.1 EOL
    Support Policy
    

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41. © Copyright 2020 Pivotal Software, Inc. All rights Reserved.
    From Spring Boot 2.2 to Spring
    Boot 2.3 & 2.4
    @snicoll
    Thanks!
    

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