feat: complete deployment codebase for BackOne DPI dashboard with dynamic telemetry, rebranding, database size tracking, and modular design

proxy/Dockerfile

@@ -0,0 +1,20 @@
+FROM node:18-alpine
+
+# Create app directory
+WORKDIR /app
+
+# Install dependencies first (layer caching)
+COPY package*.json ./
+RUN npm install --omit=dev
+
+# Copy application source
+COPY . .
+
+# Expose proxy REST API port
+EXPOSE 4000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
+  CMD node -e "require('http').get('http://localhost:4000/health', r => r.statusCode === 200 ? process.exit(0) : process.exit(1)).on('error', () => process.exit(1))"
+
+CMD ["node", "index.js"]