feat: limit image request

internal/components/images/resorce.go

@@ -4,6 +4,7 @@ import (
 	"os"
 
 	"github.com/valkey-io/valkey-go"
+	"golang.org/x/sync/semaphore"
 )
 
 type Options struct {
@@ -15,12 +16,14 @@ type Options struct {
 type Service struct {
 	fs    fileSystem
 	cache valkey.Client
+	seph  *semaphore.Weighted
 }
 
-func New(fs fileSystem, cache valkey.Client) *Service {
+func New(fs fileSystem, cache valkey.Client, maxConcurency int64) *Service {
 	return &Service{
 		fs:    fs,
 		cache: cache,
+		seph:  semaphore.NewWeighted(maxConcurency),
 	}
 }