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This talk illustrates the development techniques, Ruby patterns and best practices we adopt at DNSimple to develop new features and ensure long-term maintainability of our codebase. It also features how we used Lotus to develop the new API as a standalone Rack app mounted under the Rails router. Two years ago we started a major redesign of our REST API with the goal to decouple it from our main Rails application and expose all the main features via API. It was not a trivial task, but still feasible due to the guidelines we adopted in the last 6 years to structure our Rails application.
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In this talk, Simone Carletti presents the development techniques and methodologies utilized at DNSimple to maintain and enhance their Rails platform, with a focus on incorporating the Hanami framework (formerly known as Lotus) into their new API development. The discussion outlines a journey that began two years prior, aimed at decoupling their REST API from the main Rails application. Key Points: - **Introduction to DNSimple**: Carletti sets the stage by explaining DNSimple's business model and their longstanding API service, which has been integral since 2010. - **Development Approach**: Emphasizes maintaining a sustainable codebase through the wrapping of dependencies in custom APIs to manage changes without extensive refactoring—a practice that enhances maintainability and simplifies testing. - **Model Management**: Carletti elaborates on their approach to Active Record, advocating for a separation of concerns that restricts direct database calls within models, instead utilizing custom APIs for interactions. - **MVC Plus Architecture**: Introduces a modified architecture comprising four layers: controllers, models, commands, and services, which clarifies roles and responsibilities, particularly isolating business logic from HTTP requests. - **Hanami Framework**: Carletti highlights Hanami's modularity, allowing selective component utilization that fits their needs. The advantages of using Hanami include enhanced organization of the API and the ability to manage interactions effectively. - **Encouragement of Experimentation**: Urges developers to periodically experiment with different frameworks and approaches while engaging with broader programming communities to gain fresh insights. Concluding Remarks: The presentation emphasizes the importance of continuous learning, exploring new technologies, and finding ways to structure applications in more maintainable manners, enabling future experimentation and adaptability.
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