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") {
+require("./startup/db")();
-  mongoose
+require("./startup/routes")(app);
-    .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);
-
 const { logger } = require("./startup/logging");
 
 const port = process.env.port || 3002;

startup/db.js

@@ -0,0 +1,22 @@
+const mongoose = require("mongoose");
+
+module.exports = function () {
+  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));
+  }
+};

startup/routes.js

@@ -0,0 +1,7 @@
+const express = require("express");
+const people = require("../routes/person");
+
+module.exports = function (app) {
+  app.use(express.json());
+  app.use("/api/person", people);
+};