Spring Full-Stack Practical Cases
Mar 23, 2025 · Backend Development
Mastering JSON Configuration in Spring Boot 3: From CLI to Custom Property Sources
This article explains multiple ways to load JSON configuration into Spring Boot 3 applications, covering command‑line arguments, @PropertySource with custom factories, ApplicationContextInitializer, nested JSON handling, and direct @Bean approaches, complete with code examples and troubleshooting tips.
JSON configurationJavaPropertySource
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