fixed config bug

cnn_website/Dockerfile

@@ -1,29 +1,20 @@
-# Step 1: Build the app
+# Step 1: Build
 FROM node:20-alpine AS builder
 
 WORKDIR /app
 
-# Install dependencies
 COPY package*.json ./
 RUN npm install
 
-# Copy source code
 COPY . .
-
-# Build the project
 RUN npm run build
 
 
-# Step 2: Run preview server
-FROM node:20-alpine
+# Step 2: Serve static files
+FROM nginx:alpine
 
-WORKDIR /app
+COPY --from=builder /app/dist /usr/share/nginx/html
 
-# Copy built files and node_modules (for vite preview)
-COPY --from=builder /app ./
+EXPOSE 80
 
-# Expose Vite preview port
-EXPOSE 4173
-
-# Run preview server
-CMD ["npm", "run", "preview", "--", "--host"]
+CMD ["nginx", "-g", "daemon off;"]