Add Dockerfile for production build with HTTP server

web/client/Dockerfile

@@ -0,0 +1,18 @@
+# Production build with simple HTTP server
+FROM node:18-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+RUN npm run build
+
+RUN npm install -g serve
+
+EXPOSE 3000
+
+CMD ["serve", "-s", "dist", "-l", "3000"]