Hands-On RESTful Web Services with Go - Second Edition

Path-based matching

A path parameter in the URL of an HTTP GET request looks like this:

https://example.org/articles/books/123

Since it is passed after the base URL and API endpoint, in this case https://example.org/articles/, they are called path parameters. In the preceding URL, books and 123 are path parameters. Let us see an example of how to create routes that can consume data supplied as path parameters. Follow these steps:

1. Create a new file for our program at the following path:

touch -p $GOPATH/src/github.com/git-user/chapter2/muxRouter/main.go

2. The idea is to create a new router, mux.NewRouter, and use it as a handler with in-built http.Server. We can attach URL endpoints to handler functions on this router object. The URL endpoints ...