minor improvements

index.js

@@ -1,8 +1,10 @@
-var express = require("express");
-var cors = require("cors");
+const express = require("express");
+const cors = require("cors");
 require("dotenv").config();
 
-var app = express();
+const PORT = process.env.PORT || 57268;
+
+const app = express();
 
 app.use(cors());
 app.use("/public", express.static(process.cwd() + "/public"));
@@ -11,7 +13,10 @@ app.get("/", function (req, res) {
   res.sendFile(process.cwd() + "/views/index.html");
 });
 
-const port = process.env.PORT || 3000;
-app.listen(port, function () {
-  console.log("Your app is listening on port " + port);
+app.post("/api/fileanalyse", (req, res) => {
+  res.json({ Hello: ", World!" });
+});
+
+app.listen(PORT, function () {
+  console.log("Your app is listening on port " + PORT);
 });