Implementing caching in Beego

Caching data in a web application is sometimes necessary to avoid requesting the static data from a database or external service again and again. In this recipe, we will learn how we can implement caching in a Beego application.

Beego supports four cache providers: file, Memcache, memory, and Redis. In this recipe, we will be working with the framework default cache provider, which is a memory cache provider.

How to do it…

1. Install the github.com/astaxie/beego/cache package using the go get command, as follows:

$ go get github.com/astaxie/beego/cache

2. Move to $GOPATH/src/my-first-beego-project/controllers and create cachecontroller.go, where we will define the GetFromCache handler, which will get the value for a key from a cache and write it to an HTTP response, as follows:

package controllers
import 
(
  "fmt"
  "time"
  "github.com/astaxie/beego"
  "github.com/astaxie/beego/cache"
)
type CacheController struct 
{
  beego.Controller
}
var beegoCache cache.Cache
var...