Database connect and Mongoose models

config/database.js

@@ -0,0 +1,24 @@
+import mongoose from 'mongoose';
+
+let connected = false;
+
+const connectDB = async () => {
+  mongoose.set('strictQuery', true);
+
+  // If the database is already connected, don't connect again
+  if (connected) {
+    console.log('MongoDB is already connected...');
+    return;
+  }
+
+  // Connect to MongoDB
+  try {
+    await mongoose.connect(process.env.MONGODB_URI);
+    connected = true;
+    console.log('MongoDB connected...');
+  } catch (error) {
+    console.log(error);
+  }
+};
+
+export default connectDB;