Rewrite with modern stack

frontend/Dockerfile

@@ -0,0 +1,26 @@
+FROM node:18-alpine
+
+WORKDIR /app
+
+# Copy package files
+COPY frontend/package*.json ./
+COPY shared/ ../shared/
+
+# Install dependencies
+RUN npm install
+
+# Copy source code
+COPY frontend/ .
+
+# Build the application
+RUN npm run build
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000 || exit 1
+
+# Start the application
+CMD ["npm", "start"]