Kotlin and Spring Boot A match made in heaven @nicolas_frankel Me, - - PowerPoint PPT Presentation

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Jun 27, 2023 279 likes •412 views

Kotlin and Spring Boot A match made in heaven @nicolas_frankel Me, myself and I Kotlin fan Spring Boot lover @nicolas_frankel European alternative to the big cloud-computing players Privacy-minded Great support

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@nicolas_frankel

Kotlin and Spring Boot

A match made in heaven

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@nicolas_frankel

Me, myself and I

Kotlin fan
Spring Boot lover

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@nicolas_frankel

European alternative to the “big” cloud-computing players

Privacy-minded
Great support

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@nicolas_frankel

Spring Boot

Open Source
Pivotal
Spring Framework
Convention over

configuration

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@nicolas_frankel

The issue

Magic

○ Via annotations

The solution?

○ Functional configuration

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@nicolas_frankel

Time for DEMO

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@nicolas_frankel

Takeaways

Reactive all the way down
Controller to routes

○ Logic in handlers

Kotlin Beans DSL
Kotlin Routes DSL

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@nicolas_frankel

Going further

Spring Fu

○ Kofu ○ Jafu

Experimental!

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@nicolas_frankel

Kofu configuration is currently developed in Spring Fu, an incubator intended to ultimately contribute features related to Kotlin and functional configuration to Spring Framework, Boot and Data.

D i r e c t f r

S p r i n g O n e !

Kofu configuration for Spring Boot

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@nicolas_frankel

Kofu configuration for Spring Boot

Explicit configuration via a Kotlin DSL
Based on Spring Boot infrastructure used in a functional way
No feature enabled based on classpath detection
Both declarative and programmatic
Faster startup and lower memory consumption
Minimal reflection & annotations usage
Pure lambdas, no CGLIB proxy

D i r e c t f r

S p r i n g O n e !

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@nicolas_frankel

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@nicolas_frankel

Thanks!

https://blog.frankel.ch/
@nicolas_frankel
https://git.io/fN3Qv