doc: update index file

index.js

@@ -0,0 +1,39 @@
+"use strict";
+
+// Import packges
+import express from "express";
+import mongoose from "mongoose";
+import cors from "cors";
+import bodyParser from "body-parser";
+import path from "path";
+import dotenv from "dotenv";
+
+// Initialize dotenv
+dotenv.config();
+
+// Import file
+import ncovRoute from "./routes/ncov.js";
+
+const app = express();
+
+// Use CORS
+app.use(cors());
+
+// Use middleware to connect
+app.use("/api", ncovRoute);
+
+// Setup body parser
+app.use(bodyParser.json({ limit: "30mb", extended: true }));
+app.use(bodyParser.urlencoded({ limit: "30mb", extended: true }));
+
+// Connecting to MongoDB
+mongoose
+  .connect(process.env.connectionString, {
+    useNewUrlParser: true,
+    useUnifiedTopology: true,
+  })
+  .then(() => app.listen(PORT))
+  .catch((error) => console.log(error));
+
+// // Allow us to change the port easily by setting an environment variable
+const PORT = process.env.PORT || 8000;