fixed deleting images from docker

CTF/CTF-Server/routes/imageHandler.js

@@ -3,6 +3,7 @@ import { getAdminID } from "../queries/adminQueries.js";
 import { getAllFlags } from "../queries/flagQueries.js";
 import { CreateImage } from "../server.js";
 import { Router } from "express";
+import exec from 'child_process';
 import multer from 'multer';
 const storage = multer.memoryStorage();
 const upload = multer({ storage });
@@ -54,7 +55,7 @@ router.post('/DeleteImageReplaceFlags', (req,res) => {
 		else {
 			DeleteImage(images);
 			try {
-				execSync(`docker rmi -f ${images}`);
+				exec.exec(`docker rmi -f ${images}`);
 			} catch (err) {
 				console.error(err.message);
 			}