add typescript to backend

frontend/Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /usr/src/app
 
 COPY package*.json ./
 
-RUN npm install
+RUN if [ "$NODE_ENV" = "dev" ]; then npm install; else npm install --only=production; fi
 
 COPY . .
 

frontend/package.json

@@ -12,17 +12,17 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@types/node": "^24.2.0",
-    "autoprefixer": "^10.4.21",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-router-dom": "^7.6.3"
   },
   "devDependencies": {
+    "@types/node": "^24.2.0",
     "@eslint/js": "^9.29.0",
     "@types/react": "^19.1.8",
     "@types/react-dom": "^19.1.6",
     "@vitejs/plugin-react": "^4.5.2",
+    "autoprefixer": "^10.4.21",
     "eslint": "^9.29.0",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",