uptime monitor endpoint

src/service/uptime.ts

@@ -0,0 +1,19 @@
+import express from "express";
+import pack from "../../package.json";
+import startupTime from "../tools/startupTime";
+
+const app = express();
+
+app.get("/", (_req, res) => {
+    res.status(200).json({
+        running: true,
+        version: pack.version,
+        runningSince: startupTime.toISOString()
+    });
+});
+
+app.all("*", (_req, res) => {
+    res.status(404).end();
+});
+
+app.listen(80);