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Dockerfile

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+FROM node:22-alpine
+
+WORKDIR /app
+
+# Copy package files first for better Docker layer caching
+COPY package.json ./
+
+# Install dependencies
+RUN npm install --production
+
+# Copy application files
+COPY app.js ./
+COPY views/ ./views/
+
+# Expose port
+EXPOSE 3001
+
+# Start the application
+CMD ["node", "app.js"]