Jooby vs Spring: What are the differences?

# Introduction
In the realm of Java-based web frameworks, Jooby and Spring are two popular options that developers often consider. While both frameworks can be used to build scalable and robust web applications, they have notable differences that developers should be aware of before selecting one for their projects.

1. **Architecture**: Jooby follows a modular and lightweight approach, making it easier to set up and configure. On the other hand, Spring is known for its comprehensive and feature-rich architecture, providing developers with a wide range of tools and functionalities out of the box.

2. **Dependency Injection**: Jooby relies on Guice for dependency injection, which offers a simple and lightweight way to manage dependencies. In contrast, Spring's dependency injection mechanism is more sophisticated and robust, allowing for advanced features like autowiring and aspect-oriented programming.

3. **Annotation-Based Configuration**: Spring heavily relies on annotations for configuration, making it easier for developers to define beans and configure components. Jooby, on the other hand, leans towards a more traditional configuration approach, which may appeal to developers who prefer explicit configuration.

4. **Restful API Development**: Jooby provides built-in support for creating RESTful APIs, with features like route grouping and parameter parsing. While Spring also offers tools for building RESTful services, Jooby's approach is often considered more straightforward and intuitive for API development.

5. **Middleware**: Jooby simplifies the use of middleware by providing a dedicated module for middleware management, allowing developers to add and configure middleware easily. In comparison, while Spring does support middleware through filters and interceptors, setting up middleware can be more complex and requires a deeper understanding of the framework.

6. **Community and Ecosystem**: Spring has a large and active community, extensive documentation, and a rich ecosystem of third-party libraries and tools. Jooby, being a relatively newer framework, may have a smaller community and fewer resources available for support and extension.

In Summary, Jooby and Spring differ in their architecture, dependency injection mechanisms, configuration styles, RESTful API development approaches, middleware management, and the size of their respective communities and ecosystems.