Question 1

How to add middleware with gowww/router?

Accepted Answer

Since gowww/router has no built-in middleware, you must wrap handlers or the router itself using custom http.Handler functions. For example, create a chain of handlers to add logging or authentication before passing requests to the router.

Question 2

gowww/router vs chi: which is better for APIs?

Accepted Answer

gowww/router excels in raw speed and minimal overhead, making it faster for high-performance APIs. Chi offers more features like middleware chaining and nested routing out of the box, but with a slight performance trade-off.

Question 3

How to serve static files using gowww/router?

Accepted Answer

Use Go's standard http.FileServer, as shown in the README: rt.Get("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static")))). This integrates cleanly without special configuration.

Question 4

Does gowww/router handle trailing slashes automatically?

Accepted Answer

Yes, but it redirects requests with trailing slashes by trimming them, which might be surprising. The README notes that /files and /files/ are treated as different routes, requiring careful path design.

Question 5

What's the performance impact of using regex in routes?

Accepted Answer

Regular expressions can significantly reduce routing speed, as warned in the README. Use them sparingly for constraints, and avoid complex patterns to maintain the router's sub-microsecond performance.

Question 6

Is gowww/router suitable for large-scale microservices?

Accepted Answer

Yes, its performance and compatibility make it great for microservices, but the lack of built-in middleware means you'll need to handle cross-cutting concerns like monitoring or rate limiting separately.

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