Fixed memory leak and made response instant

main.go

@@ -4,10 +4,17 @@ import (
 	"github.com/flygrounder/mtg-price-vk/vk"
 	"github.com/gin-gonic/gin"
 	"math/rand"
+	"runtime"
 	"time"
 )
 
 func main() {
+	go (func() {
+		for {
+			time.Sleep(5 * time.Second)
+			println(runtime.NumGoroutine())
+		}
+	})()
 	rand.Seed(time.Now().UTC().UnixNano())
 	r := gin.Default()
 	r.POST("callback/message", vk.HandleMessage)