fix(andreknie.de): harden personal data lifecycle

privat/CV/andreknie.de/server/index.js

@@ -8,6 +8,7 @@ import talkRequestRouter from './routes/talk-request.js'
 import newsletterRouter from './routes/newsletter.js'
 import resourceDownloadRouter from './routes/resource-download.js'
 import speakerCvRouter from './routes/speaker-cv.js'
+import { isMailerReady } from './services/mailer.js'
 
 const __dirname = dirname(fileURLToPath(import.meta.url))
 const PORT = process.env.PORT || 3003
@@ -30,7 +31,11 @@ app.use(express.json({ limit: '10kb' }))
 
 // Routes
 app.get('/api/health', (_req, res) => {
-  res.json({ status: 'ok', time: new Date().toISOString() })
+  res.json({
+    status: isMailerReady() ? 'ok' : 'degraded',
+    mailer: { ready: isMailerReady() },
+    time: new Date().toISOString(),
+  })
 })
 
 app.use('/api/contact', contactRouter)
@@ -45,6 +50,10 @@ app.use((err, _req, res, _next) => {
   res.status(500).json({ error: 'Interner Serverfehler.' })
 })
 
-app.listen(PORT, () => {
-  console.log(`[andreknie.de Backend] Running on port ${PORT}`)
-})
+if (process.env.NODE_ENV !== 'test') {
+  app.listen(PORT, () => {
+    console.log(`[andreknie.de Backend] Running on port ${PORT}`)
+  })
+}
+
+export { app }