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Instead, I propose to talk about how to organize a routing system using one of the most popular routers called gorilla/mux ▍ Task management application server using gorilla/mux But here I won’t indulge my desire to write everything myself. This is so because you can organize your HTTP handlers using linking. Writing your own router in Go is very easy.

In doing so, the route processing system should simply retrieve the numeric ID from /task/ and pass it to the handler in some convenient way.

That is, for example, with this approach, we should be able to specify that one handler handles a request to /task/ and another handler processes the request to /task/ with the numeric ID

It is possible to make a route handler to be chosen based on a deeper analysis of the requests than now.

For example – request POST /task/ should be handled by a single handler, while the request GET /task/ – by another.

You can create a mechanism that allows you to set separate handlers for different methods of the same route.

To make the routing system more convenient, we can do this :

Before moving on to the practical example, let’s remember how our server API is structured : POST /task/: creates a task and returns its IDGET /task/: returns a task with an IDGET /task/: returns all tasksDELETE /task/: deletes a task with IDGET /tag/ : returns the list of tasks with the specified tagGET /due/ / / : returns the list of tasks scheduled on a specified date I highly recommend taking a look at this material, which compares several approaches to handling simple route sets. In the Go ecosystem there are many powerful and successfully used in various projects third-party libraries that implement routing capabilities. There are many interesting approaches to solving this problem, applicable to each specific situation. The first thought that might cross the mind of someone who has decided to improve our server might be the idea of abstracting its routing system, perhaps using a set of functions or a data type with methods.

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Unless the server, taking into account its route system, is an extremely minimalistic design (for example, some specialized servers with only one or two routes), it turns out that the size and complexity of the router code organization is something that experienced programmers very quickly pay attention to. This is a problem faced by everyone who writes HTTP servers without using dependencies. Part 6: authentication There we talked about one problem with our server, which is that the routing logic is scattered in several places in our program. Part 4: using OpenAPI and Swagger REST Server Development in Go. Part 3: using the Gin web framework REST server development in Go. Part 2: applying the gorilla/mux router REST server development in Go.

Part 1: the standard library Are you here – REST server development in Go. Previous parts : REST server development in Go.

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This is the second part of a series of articles on developing REST servers in Go.In first of this series we built a simple server using the standard Go tools, and after that we refactored the JSON data generation code into an auxiliary function.This allowed us to get to a fairly compact code of route handlers.