Spring Modulith: have we reached modularity maturity?

• moduliths

  5 819 0.0 Java

  Discontinued Building modular, monolithic applications using Spring Boot

  

Even since the microservices craze started, some cooler heads have prevailed. In particular, Oliver Drotbohm, a developer on the Spring framework, has been a long-time proponent of the moduliths alternative. The idea is to keep a monolith but design it around modules.

• buckpal

  3 2,017 5.2 Java

  An example approach for implementing a Clean/Hexagonal Architecture

We need rules to enforce boundaries, and they need to be treated like tests: when tests fail, one must fix them. Likewise, when one breaks a rule, one must fix it. ArchUnit is a tool to create and enforce rules. One configures the rules and verifies them as tests. Unfortunately, the configuration is time-consuming and must constantly be maintained to provide value. Here's a snippet for a sample application following the Hexagonal architecture principle:

• InfluxDB

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• jmolecules

  4 1,087 5.6 Java

  Libraries to help developers express architectural abstractions in Java code

  

Spring Modulith is the successor of Oliver Drotbohm's Moduliths project (with a trailing S). It uses both ArchUnit and jMolecules. At the time of this writing, it's experimental.

• c4-notation

  125 25 10.0

  Technical resources for using the C4 model for visualizing software architecture.

  

Spring Modulith offers to generate text-based diagrams based on PlantUML, with UML or C4 (default) skins. The generation is easy as pie:

• spring-modulith-sample

  1 24 10.0 Java
  

I've created a sample app to play with: it emulates the home page of an online shop. The home page is generated server-side with Thymeleaf and displays catalog items and a newsfeed. The latter is also accessible via an HTTP API for client-side calls (that I was too lazy to code). Items are displayed with a price, thus requiring a pricing service.

• WorkOS

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