feat: add Redis integration, enhanced health checks and fixed an error in the database core

realtime/src/index.js

@@ -3,6 +3,7 @@ const crypto = require('crypto');
 const app = express();
 
 const db = require('./store/db')
+const redis = require('./store/redis');
 
 app.use(express.json());
 
@@ -19,8 +20,13 @@ app.get('/health', (req, res) => {
 
     res.json({ 
         status: 'ok',
-        sensorsDB: sensorsDB,
-        dataDB: dataDB
+        databases: {
+            sensors: sensorsDB ? 'connected' : 'disconnected',
+            data: dataDB ? 'connected' : 'disconnected'
+        },
+        redis: redis.checkRedis() ? 'connected' : 'disconnected',
+        version: process.env.VERSION,
+        build_number: process.env.VERSION_BUILD
     });
 });