fix: update database name in connection pool configuration

realtime/src/helper/authdb.js

@@ -4,7 +4,7 @@ const { hash, generateShortId } = require('./cryptoUtils');
 const pool = new Pool({
     user: process.env.DB_USER,
     host: process.env.DB_HOST,
-    database: process.env.DB_NAME,
+    database: process.env.SENSORS_DB,
     password: process.env.DB_PASSWORD,
     port: process.env.DB_PORT,
 });