change docker

docker/frontend/Dockerfile

@@ -1,18 +1,19 @@
-FROM node:18-alpine
+FROM node:18-alpine as builder
 
 WORKDIR /app
 
 # Copy package files
-COPY frontend/package*.json ./
+COPY package*.json ./
 
 # Install dependencies
 RUN npm install
 
 # Copy source code
-COPY frontend/ .
+COPY . .
 
 # Build the app
 RUN npm run build
 
-# Keep container running and serve the built files
-CMD ["npm", "run", "preview"]
+# Production stage
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html