#1 added mongo and connected to it. Planning to go to next step

src/enum/EStatuses.ts

+export const enum EStatuses {
+    SUCCESS = 'Success',
+    FAILURE = 'Failure'
+}
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src/index.ts

@@ -2,6 +2,7 @@ import express, { Express } from "express";
 import dotenv from 'dotenv';
 import cors from 'cors';
 import { HealthCheckController } from "./controllers/healthCheck";
+import { mongooseDB } from "./repository/mongooseDB";
 
 dotenv.config()
 
@@ -18,7 +19,11 @@ class App {
         try{
             this.app.use('/health-check', new HealthCheckController().getRouter())
             this.app.listen(process.env.APP_PORT, () => {
-                console.log(`Server is running on port ${process.env.APP_PORT}`)
+                console.log(`Server is running on http://localhost:${process.env.APP_PORT}`)
+            })
+            await mongooseDB.init()
+            process.on('exit', () => {
+                mongooseDB.close()
             })
         } catch(err: unknown){
             console.log(err); 

src/interfaces/IResponse.ts

+import { EStatuses } from "../enum/EStatuses";
+
+export default interface IResponse<T = null> {
+    status: EStatuses
+    result: T
+    message: string
+}
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src/repository/mongooseDB.ts

+import dotenv from 'dotenv';
+import mongoose, { Mongoose } from 'mongoose';
+dotenv.config();
+
+export class MongooseDB {
+    private client: Mongoose | null = null
+
+    public close = async() => {
+        if (!this.client) return
+        await this.client.disconnect();
+    }
+
+    public init = async (): Promise<void> => {
+        try {
+            this.client = await mongoose.connect(process.env.MONGO_CLIENT_URL || '')
+            console.log('Server connected to MongoDB');
+        } catch (err) {
+            const error = err as Error;
+            console.error('Connected error MongoDB:', error);
+        }
+    }
+}
+
+export const mongooseDB = new MongooseDB()
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