Integrating Pkl With Spring Boot

Date: 2025-03-24

This article details integrating Apple's Pkl (Pickle), a configuration-as-code language, with Spring Boot. Pkl combines the simplicity of JSON with the expressiveness of programming languages, offering scalability and safety for complex configurations. The tutorial shows how to define a Pkl schema, generate Java classes from it using a Gradle plugin, and inject the configuration into a Spring Boot application. A REST API example demonstrates accessing the Pkl configuration. The process involves creating Pkl schema and configuration files, generating Java classes, annotating with @ConfigurationProperties, and injecting into Spring components. This allows for managing application settings efficiently and enhances maintainability.

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