Migrating Spring Boot apps from annotation-based to Functional with Kotlin

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In the latest years, there has been some push-back against frameworks, and more specifically annotations: some call them magic. Obviously, they make understanding the flow of the application harder. Spring and Spring Boot latest versions go along this trend, by offering an additional way to configure beans with explicit code instead of annotations. It's declarative in the sense it looks like configuration, though it's based on Domain-Specific Language(s). This talk aims to demo a step-by-step process to achieve that.

What will the audience learn from this talk?

• How to migrate from controllers to routes
• How to migrate from annotations to declarative ("functional")
• New Kotlin DSLs for routes & beans declaration
• The future!

Referent:

Nicolas Frankel is a Developer Advocate with 15+ years experience consulting for many different customers, in a wide range of contexts (such as telecoms, banking, insurances, large retail and public sector). Usually working on Java/Java EE and Spring technologies, but with narrower interests like Software Quality, Build Processes and Rich Internet Applications. Currently working for Exoscale. Also double as a teacher in universities and higher education schools, a trainer and triples as a book author.