Feat: graceful shutdown

handlers/handlers.go

@@ -9,6 +9,7 @@ import (
 	"log/slog"
 	"net/http"
 	"os"
+	"time"
 )
 
 var (
@@ -26,6 +27,7 @@ func init() {
 	memcache = cache.MemCache
 	cfg = config.LoadConfigOrDefault("")
 	Notifier = broker.Notifier
+	cache.MemCache.StartBackupRoutine(15 * time.Second) // Reduced backup interval
 }
 
 func HandlePing(w http.ResponseWriter, r *http.Request) {