Create folder structure

.gitignore

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+node_modules
+config

DB/DB_Utils/codeSchema.js

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+import { Schema } from "mongoose";
+
+export const codeSchema = new Schema(
+  {
+    code: {
+      type: String,
+      min: [6, "Code length must be 5 character"],
+      max: [6, "Code length must be 5 character"],
+    },
+    status: {
+      type: String,
+      enum: ["password", "confirm", "confirmChange", "unsubscribe"],
+      required: true,
+    },
+    createdAt: Date,
+  },
+  {
+    _id: false,
+  }
+);

DB/DB_Utils/imageSchema.js

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+import { Schema } from "mongoose";
+
+
+export const imageSchema = new Schema({
+    secure_url: { type: String, required: true },
+    public_id: { type: String, required: true },
+}, {
+    _id: false
+})

DB/dbConnection.js

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+import mongoose from "mongoose";
+
+export const dbConnection = async () => {
+    return await mongoose.connect(process.env.DB_ATLAS).then(() => {
+        console.log("db connection successfully ........ ");
+    }).catch(() => {
+        console.log("db connection failed ********");
+    })
+}
+
+mongoose.set('strictQuery', true);

index.js

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+import path from 'path'
+import { fileURLToPath } from 'url'
+import dotenv from 'dotenv'
+//set directory dirname 
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+dotenv.config({ path: path.join(__dirname, './config/.env') })
+import express from 'express'
+import initApp from './src/index.router.js'
+const app = express()
+// setup port and the baseUrl
+const port = process.env.PORT || 5000
+initApp(app ,express)
+app.listen(port, () => console.log(`Example app listening on port ${port}!`))