feat: implement comprehensive health check endpoints for API, Auth, and Realtime services to monitor database, Redis, MinIO, and InfluxDB connectivity.

auth/src/storage/database.js

@@ -97,9 +97,19 @@ async function initDb() {
     `);
 }
 
+async function checkPostgres() {
+    try {
+        await pool.query('SELECT NOW()');
+        return true;
+    } catch (error) {
+        return false;
+    }
+}
+
 module.exports = {
     pool,
     query,
     getClient,
-    initDb
+    initDb,
+    checkPostgres
 };