fix health check for frontend service

Author: trzysiek

frontend-service/Dockerfile

@@ -7,6 +7,6 @@ RUN npm install
 
 COPY . .
 
-EXPOSE 3000
+EXPOSE 3000 3001
 
-CMD ["npm", "start"]
+CMD ["npm", "run", "start"]

frontend-service/health-server.js

@@ -0,0 +1,15 @@
+const express = require('express')
+const app = express()
+const port = 3001
+
+app.get('/health', (req, res) => {
+  res.json({
+    status: 'healthy',
+    service: 'frontend-service',
+    timestamp: new Date().toISOString()
+  })
+})
+
+app.listen(port, '0.0.0.0', () => {
+  console.log(`Health server running on port ${port}`)
+})

frontend-service/package.json

@@ -4,10 +4,11 @@
   "description": "Frontend service for ecommerce microservices",
   "main": "index.js",
   "scripts": {
-    "dev": "node server.js",
+    "dev": "vite --host 0.0.0.0",
     "build": "vite build",
     "preview": "vite preview",
-    "start": "node server.js"
+    "start": "node health-server.js & vite --host 0.0.0.0",
+    "health": "node health-server.js"
   },
   "dependencies": {
     "react": "^18.2.0",

frontend-service/server.js

@@ -1,30 +1,8 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 
-// Custom plugin to add health endpoint
-const healthCheckPlugin = () => {
-  return {
-    name: 'health-check',
-    configureServer(server) {
-      server.middlewares.use('/health', (req, res, next) => {
-        if (req.method === 'GET' && req.url === '/health') {
-          res.setHeader('Content-Type', 'application/json')
-          res.statusCode = 200
-          res.end(JSON.stringify({
-            status: 'healthy',
-            service: 'frontend-service',
-            timestamp: new Date().toISOString()
-          }))
-        } else {
-          next()
-        }
-      })
-    }
-  }
-}
-
 export default defineConfig({
-  plugins: [react(), healthCheckPlugin()],
+  plugins: [react()],
   server: {
     port: 3000,
     host: '0.0.0.0'

frontend-service/vite.config.js

@@ -33,7 +33,7 @@
         'tls_version': 'N/A'
     },
     'frontend-service': {
-        'url': 'http://frontend-service:3000/health',
+        'url': 'http://frontend-service:3001/health',
         'status': 'unknown',
         'last_check': None,
         'last_response_time': None,