A minimal, high-performance middleware for routing in Crystal's built-in HTTP server.
router.cr is a minimal, high-performance middleware that adds routing capabilities to Crystal's built-in HTTP server. It solves the limitation of Crystal's default web server, which lacks robust routing, by providing a lightweight alternative to heavier frameworks like Kemal. The project focuses on speed and simplicity, enabling developers to handle HTTP routes efficiently without adopting a full web framework.
Crystal developers who need performant routing for their web applications but want to avoid the overhead of a full-stack framework like Kemal. It's ideal for those building microservices, APIs, or lightweight web servers where control and speed are priorities.
Developers choose router.cr for its exceptional performance and minimal footprint, offering a specialized routing solution that integrates seamlessly with Crystal's standard HTTP server. It provides the essential features needed for routing without the complexity of larger frameworks, making it a perfect fit for performance-sensitive projects.
Minimum High Performance Middleware for Crystal Web Server.
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The README highlights benchmarks showing router.cr outperforms other routing solutions, making it ideal for high-throughput applications where speed is critical.
It provides essential routing without the bloat of full frameworks, adhering to Crystal's standard library ethos and keeping dependencies light for lean deployments.
Supports dynamic route segments like `/user/:id` with parameters accessible via a simple hash, as demonstrated in the usage examples for straightforward data handling.
Integrates as middleware into Crystal's HTTP::Server using `route_handler`, allowing easy addition to existing server setups without major architectural changes.
As a minimal tool, it lacks built-in features such as templating, database ORM, or advanced middleware, forcing developers to implement or integrate these separately.
Requires including modules, defining route-drawing methods, and managing server configuration, which can be more verbose and error-prone compared to drop-in solutions.
Missing features like nested routes, route groups, or complex middleware chains that are standard in more comprehensive routing libraries, limiting scalability for complex apps.