diff --git a/.gitignore b/.gitignore
index dea44f0..f0950c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,7 @@ test-results/
 # Mac bundle stuff
 *.dmg
 *.app
+.env
 
 # content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
 # General
diff --git a/users/index.js b/users/index.js
index af75410..a213ef2 100644
--- a/users/index.js
+++ b/users/index.js
@@ -2,15 +2,16 @@
 const express = require('express');
 const mongoose = require('mongoose');
 const bodyParser = require('body-parser');
+const dotenv = require('dotenv');
 
+dotenv.config();
 
 // app and port definition
 const app = express();
 const port = process.env.PORT || 8003;
 
-
 // Connect to MongoDB
-const mongoUri = process.env.MONGODB_URI || 'mongodb+srv://prueba:prueba@cluster0.kjzbhst.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0';
+const mongoUri = process.env.MONGODB_URI;
 
 mongoose.connect(mongoUri).then(
   console.log('Succesfully connected to MongoDB')
diff --git a/users/package-lock.json b/users/package-lock.json
index 69a6d4a..7aa0e79 100644
--- a/users/package-lock.json
+++ b/users/package-lock.json
@@ -13,6 +13,7 @@
         "bcrypt": "^5.1.1",
         "body-parser": "^1.20.2",
         "cors": "^2.8.5",
+        "dotenv": "^16.4.5",
         "express": "^4.18.2",
         "jsonwebtoken": "^9.0.2",
         "mongodb": "^6.3.0",
@@ -2089,6 +2090,17 @@
         "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.4.5",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.5.tgz",
+      "integrity": "sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/ecdsa-sig-formatter": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
diff --git a/users/package.json b/users/package.json
index 4e9ad1c..c66c9ac 100644
--- a/users/package.json
+++ b/users/package.json
@@ -22,6 +22,7 @@
     "bcrypt": "^5.1.1",
     "body-parser": "^1.20.2",
     "cors": "^2.8.5",
+    "dotenv": "^16.4.5",
     "express": "^4.18.2",
     "jsonwebtoken": "^9.0.2",
     "mongodb": "^6.3.0",