[Explore | develop]: server.ts: Added endpoint '/health-check' with basic information.

explore/server.ts

@@ -57,6 +57,29 @@ export function app() {
     res.end(register.metrics());
   });
 
+  server.get('/health-check', async (_req, res, _next) => {
+    var uptime = process.uptime();
+    const date = new Date(uptime*1000);
+    const days = date.getUTCDate() - 1,
+      hours = date.getUTCHours(),
+      minutes = date.getUTCMinutes(),
+      seconds = date.getUTCSeconds(),
+      milliseconds = date.getUTCMilliseconds();
+
+
+    const healthcheck = {
+      uptime: days + " days, " + hours + " hours, " + minutes + " minutes, " + seconds + " seconds, " + milliseconds + " milliseconds",
+      message: 'OK',
+      timestamp: new Date()
+    };
+    try {
+      res.send(healthcheck);
+    } catch (error) {
+      healthcheck.message = error;
+      res.status(503).send();
+    }
+  });
+
   // All regular routes use the Universal engine
   server.get('*', (req, res) => {
     if (routes.indexOf(req.path) !== -1) {