feat: add health check endpoint with VPS ping using child_process.exec.

server.js

@@ -1,6 +1,8 @@
 const express = require("express");
 const path = require("path");
 
+const { exec } = require("child_process");
+
 const app = express();
 const port = process.env.PORT || 3000;
 const rootDir = path.join(__dirname);
@@ -14,6 +16,26 @@ app.get("/healthchecker", (req, res) => {
   res.sendFile(path.join(rootDir, "scripts", "health_checker"));
 });
 
+// Standard health check endpoint for monitoring with VPS ping
+app.get("/health", (req, res) => {
+  const vpsIp = "31.97.41.188";
+  // Ping with count 1 and timeout 1 second
+  exec(`ping -c 1 -W 1 ${vpsIp}`, (error, stdout, stderr) => {
+    const isAlive = !error;
+    res.status(200).json({
+      status: "ok",
+      timestamp: new Date().toISOString(),
+      checks: {
+        vps_ping: {
+          target: vpsIp,
+          alive: isAlive,
+          output: isAlive ? "VPS Reachable" : "VPS Unreachable",
+        },
+      },
+    });
+  });
+});
+
 // Fallback to index.html for other routes (optional)
 app.get("*", (req, res) => {
   res.sendFile(path.join(rootDir, "index.html"));