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

api/src/storage/postgres.js

@@ -70,10 +70,24 @@ async function remove(table, condition, params, type = 'users') {
     const sql = `DELETE FROM ${table} WHERE ${condition}`;
     return await query(sql, params, type);
 }
+
+async function checkPostgres() {
+    const status = {};
+    for (const [name, pool] of Object.entries(pools)) {
+        try {
+            await pool.query('SELECT NOW()');
+            status[name] = 'connected';
+        } catch (error) {
+            status[name] = 'disconnected';
+        }
+    }
+    return status;
+}
 module.exports = {
     query,
     append,
     remove,
     getClient,
+    checkPostgres,
     pools
 };