Hands-On RESTful Web Services with Go - Second Edition

POST, PUT, and PATCH

The POST method is used to create a resource on the server. In the previous books API, this operation creates a new book with the given details. A successful POST operation returns a 2xx status code. The POST request can update multiple resources: /v1/books.

The POST request can have a JSON body like the following:

{"name" : "Lord of the rings", "year": 1954, "author" : "J. R. R. Tolkien"}

This actually creates a new book in the database. An ID is assigned to this record so that when we GET the resource, the URL is created. So, POST should be done only once, in the beginning. In fact, Lord of the Rings was published in 1955. So, we entered the published date incorrectly. In order to update the resource, let's use the ...