moved(index.js) moved some codes into startup folder

index.js

@@ -1,31 +1,8 @@
 const express = require("express");
-const mongoose = require("mongoose");
 const app = express();
 
-if (process.env.NODE_ENV === "test") {
-  mongoose
-    .connect("mongodb://localhost:27017/remembermetest", {
-      useUnifiedTopology: true,
-      useNewUrlParser: true,
-      useCreateIndex: true,
-    })
-    .then(() => console.log("Connected to MongoDB test..."));
-} else {
-  mongoose
-    .connect(`mongodb://localhost:27017/rememberme`, {
-      useUnifiedTopology: true,
-      useNewUrlParser: true,
-      useCreateIndex: true,
-    })
-    .then(() => console.log("Connected to MongoDB..."))
-    .catch((err) => console.log("Could not connect to MongoDB", err));
-}
-
-const people = require("./routes/person");
-
-app.use(express.json());
-app.use("/api/person", people);
-
+require("./startup/db")();
+require("./startup/routes")(app);
 const { logger } = require("./startup/logging");
 
 const port = process.env.port || 3002;