Spring Boot is a Java and Kotlin framework for building production-grade web applications, APIs, and services with convention-based configuration. It is aimed...
Pros
- Much larger ecosystem, community, and hiring pool than Javalin
- More comprehensive security, data-access, messaging, and observability integrations
- Strong production tooling through Spring Actuator and Spring ecosystem projects
Cons
- Heavier dependency and configuration model than Javalin
- Typically slower startup and higher memory use than lightweight frameworks
- Steeper learning curve caused by the size of the Spring ecosystem
