added db connection

app.js

@@ -1,19 +1,23 @@
+require("dotenv").config();
 const express = require("express");
 const path = require("path");
+const connectDB = require("./config/db");
+const indexRoutes = require("./routes/indexRoutes");
 
 const app = express();
 const port = 3000;
 
+// Connect to MongoDB
+connectDB();
+
 // Setting EJS as the view engine
 app.set("view engine", "ejs");
 
 // Setting up the public folder to serve static files
 app.use(express.static(path.join(__dirname, "public")));
 
-app.get("/", (req, res) => {
-  // Render an EJS view file
-  res.render("index", { message: "Hello World!" });
-});
+// Use routes
+app.use("/", indexRoutes);
 
 app.listen(port, () => {
   console.log(`Emotional Journey App listening on http://localhost:${port}`);

config/db.js

@@ -0,0 +1,16 @@
+const mongoose = require("mongoose");
+
+const connectDB = async () => {
+  try {
+    await mongoose.connect(process.env.MONGO_DB_URI, {
+      useNewUrlParser: true,
+      useUnifiedTopology: true,
+    });
+    console.log("Successfully connected to MongoDB...");
+  } catch (error) {
+    console.error("Error connecting to MongoDB", error);
+    process.exit(1);
+  }
+};
+
+module.exports = connectDB;

package.json

@@ -11,6 +11,7 @@
   "license": "MIT",
   "dependencies": {
     "bcrypt": "^5.1.1",
+    "dotenv": "^16.3.1",
     "ejs": "^3.1.9",
     "express": "^4.18.2",
     "express-session": "^1.17.3",

routes/indexRoutes.js

@@ -0,0 +1,8 @@
+const express = require("express");
+const router = express.Router();
+
+router.get("/", (req, res) => {
+  res.render("index", { message: "Hello World!" });
+});
+
+module.exports = router;