Go web server with GET, POST

getset.go

package main

import (
    "fmt"
    "github.com/gorilla/mux"
    "github.com/tristanwietsma/metastore"
    "log"
    "net/http"
)

var Store metastore.MetaStore

func GetHandler(w http.ResponseWriter, r *http.Request) {
    vars := mux.Vars(r)
    w.Header().Add("Content-Type", "text/html")
    key := vars["key"]
    val, ok := Store.Get(key)
    if ok {
        fmt.Fprintf(w, "'%s' -> '%s'\n", key, val)
    } else {
        fmt.Fprintf(w, "No key '%s' exists\n", key)
    }
}

func SetHandler(w http.ResponseWriter, r *http.Request) {
    vars := mux.Vars(r)
    r.ParseForm()
    key := vars["key"]
    Store.Set(key, r.PostFormValue("value"))
    val, _ := Store.Get(key)
    fmt.Fprintf(w, "'%s' has been set to '%s'\n", key, val)
}

func main() {

    Store.Init(1000)

    router := mux.NewRouter()
    router.HandleFunc("/get/{key}", GetHandler).Methods("GET")
    router.HandleFunc("/set/{key}", SetHandler).Methods("POST")
    http.Handle("/", router)
    log.Fatal(http.ListenAndServe(":8080", nil))
}

curl -d "value=testing" http://localhost:8080/set/123

curl http://localhost:8080/get/123