fix: Upgrade Node.js version

.devcontainer/devcontainer.json

@@ -7,7 +7,7 @@
         "ghcr.io/devcontainers/features/docker-in-docker:2": {},
         "ghcr.io/devcontainers/features/node:1": {
             "nodeGypDependencies": true,
-            "version": "lts"
+            "version": "24"
         },
         "ghcr.io/devcontainers/features/azure-cli:1": {
             "installBicep": true,

chat-app/frontend/Dockerfile

@@ -1,5 +1,5 @@
 # Multi-stage build for React frontend
-FROM mcr.microsoft.com/azurelinux/base/nodejs:20 AS builder
+FROM mcr.microsoft.com/azurelinux/base/nodejs:24 AS builder
 
 # Set working directory
 WORKDIR /app

chat-app/frontend/README.md

@@ -16,7 +16,7 @@ AI-powered chat application frontend built with React 19, TypeScript, and Vite.
 
 ### Prerequisites
 
-- Node.js 18+ and npm
+- Node.js 24 LTS and npm
 - Chat Backend API running on port 8001
 
 ### Installation

scenario-app/frontend/Dockerfile

@@ -1,11 +1,11 @@
-FROM mcr.microsoft.com/azurelinux/base/nodejs:20 AS widget-builder
+FROM mcr.microsoft.com/azurelinux/base/nodejs:24 AS widget-builder
 WORKDIR /src/chat-app/frontend
 COPY chat-app/frontend/package*.json chat-app/frontend/.npmrc ./
 RUN npm ci --legacy-peer-deps
 COPY chat-app/frontend/ ./
 RUN npm run build
 
-FROM mcr.microsoft.com/azurelinux/base/nodejs:20 AS app-builder
+FROM mcr.microsoft.com/azurelinux/base/nodejs:24 AS app-builder
 WORKDIR /src/scenario-app/frontend
 ARG VITE_SCENARIO=ecommerce
 ENV VITE_SCENARIO=$VITE_SCENARIO

scenario-app/frontend/README.md

@@ -15,7 +15,7 @@ A modern React-based e-commerce interface built with TypeScript, Vite, and Tailw
 
 ### Prerequisites
 
-- Node.js 18+ and npm
+- Node.js 24 LTS and npm
 - Running e-commerce backend API (see ../backend/README.md)
 
 ### Installation