Create Dockerfile

Dockerfile

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+FROM node:18-alpine
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy all files
+COPY . .
+
+# Build the app
+RUN npm run build
+
+# Expose port 7860 (Hugging Face Spaces default)
+EXPOSE 7860
+
+# Start the preview server
+CMD ["npm", "run", "preview", "--", "--port", "7860", "--host", "0.0.0.0"]