Fehler-Handling

docker-compose.yaml

@@ -9,6 +9,8 @@ services:
       - WSS_VIDEO_DRIVER=wss://localhost:8448
       - WSS_URL=wss://appRobot_Driver:2095
       - HTTPS_PORT=2093
+      - WEBCAM_URL=http://appRobotWebcam:8444
+      - BODYTRACKER_URL=http://appRobotBodyTracker:8446
     ports:
       - "2093:2093"
     depends_on:

server/server.js

@@ -140,8 +140,48 @@ app.post('/api/estimate', async (req, res) => {
   }
 });
 
-app.listen(PORT, () => {
-  console.log(`appRobotHoming backend listening on port ${PORT}`);
-  console.log(`WEBCAM_URL=${WEBCAM_URL || '<lokal>'}`);
-  console.log(`BODYTRACKER_URL=${BODYTRACKER_URL || '<nicht konfiguriert>'}`);
+async function checkServiceReachability(name, url) {
+  try {
+    const controller = new AbortController();
+    const timeout = setTimeout(() => controller.abort(), 5000);
+    const res = await fetch(url, { signal: controller.signal });
+    clearTimeout(timeout);
+
+    if (!res.ok) {
+      console.warn(`${name} ist nicht vollständig erreichbar (${res.status}) unter ${url}`);
+      return false;
+    }
+
+    console.log(`${name} erreichbar unter ${url}`);
+    return true;
+  } catch (err) {
+    console.warn(`${name} konnte nicht erreicht werden unter ${url}:`, err.message || err);
+    return false;
+  }
+}
+
+async function startServer() {
+  if (WEBCAM_URL) {
+    await checkServiceReachability('WEBCAM_URL', new URL('/health', WEBCAM_URL).toString());
+  }
+
+  if (BODYTRACKER_URL) {
+    await checkServiceReachability('BODYTRACKER_URL', new URL('/v1/health', BODYTRACKER_URL).toString());
+  }
+
+  app.listen(PORT, () => {
+    console.log(`appRobotHoming backend listening on port ${PORT}`);
+    console.log(`WEBCAM_URL=${WEBCAM_URL || '<lokal>'}`);
+    console.log(`BODYTRACKER_URL=${BODYTRACKER_URL || '<nicht konfiguriert>'}`);
+  });
+}
+
+startServer().catch((err) => {
+  console.error('Fehler beim Starten des Servers:', err);
+  console.log('Starte trotzdem den Server weiter...');
+  app.listen(PORT, () => {
+    console.log(`appRobotHoming backend listening on port ${PORT}`);
+    console.log(`WEBCAM_URL=${WEBCAM_URL || '<lokal>'}`);
+    console.log(`BODYTRACKER_URL=${BODYTRACKER_URL || '<nicht konfiguriert>'}`);
+  });
 });