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Spring Modulith – Spring for the Architecturally Curious Developer by Oliver Drotbohm
Discover how Spring Modulith helps developers simplify complex systems by breaking them down into logical, self-contained modules that communicate through events, improving testability and overall architecture.
- Spring Modulith aims to solve the problem of representing functional parts in a codebase.
- The project focuses on developing a modulithic system, allowing developers to break down a system into logical parts and identify relationships between them.
- A modulithic system consists of modules, which are self-contained units with specific responsibilities.
- Each module can be thought of as a “package” with its own configuration, repositories, services, and controllers.
- Modules communicate with each other through events, and Spring Modulith provides support for event-based integration.
- The project provides a mechanism to describe the structure of modules and their relationships, allowing developers to define dependencies and boundaries.
- Spring Modulith can help simplify the testing process by allowing developers to test individual modules in isolation.
- The project also provides support for observability and documentation.
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Key concepts include:
- Modulithic system: a system composed of modules that communicate through events.
- Modules: self-contained units with specific responsibilities.
- Events: a mechanism for modules to communicate.
- Modularization: the process of breaking down a system into modules.
- Logical structure: the organization of modules and their relationships.
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Some of the benefits of Spring Modulith include:
- Improved testability
- Simplified architecture
- Better observability
- Easier documentation