diff --git a/Dockerfile b/Dockerfile
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+FROM node:20-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --only=production
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs
+RUN adduser -S rossuser -u 1001
+
+# Change ownership of the app directory
+RUN chown -R rossuser:nodejs /app
+USER rossuser
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD node dist/health-check.js || exit 1
+
+# Start the application
+CMD ["npm", "start"]
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