diff --git a/apis/allquestionservice/Dockerfile b/apis/allquestionservice/Dockerfile
index 74b03e40..e6107956 100644
--- a/apis/allquestionservice/Dockerfile
+++ b/apis/allquestionservice/Dockerfile
@@ -11,7 +11,13 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY allquestions-api.js ./
+COPY allquestions-api.test.js ./
+COPY home.png ./
+COPY package-lock.json ./
+COPY package.json ./
+COPY question-model.js ./
 
 # Expose the port the app runs on 
 EXPOSE 8007
diff --git a/apis/allquestionservice/allquestions-api.js b/apis/allquestionservice/allquestions-api.js
index f03ca55b..7266d04d 100644
--- a/apis/allquestionservice/allquestions-api.js
+++ b/apis/allquestionservice/allquestions-api.js
@@ -4,6 +4,7 @@ const Question = require('./question-model')
 const bodyParser = require('body-parser');
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8007;
 
 const originEndpoint = process.env.REACT_APP_API_ORIGIN_ENDPOINT || 'http://localhost:3000';
diff --git a/apis/alluserservice/Dockerfile b/apis/alluserservice/Dockerfile
index 2b562cbc..c15252a4 100644
--- a/apis/alluserservice/Dockerfile
+++ b/apis/alluserservice/Dockerfile
@@ -11,7 +11,12 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY allusers-api.js ./
+COPY allusers-api.test.js ./
+COPY package-lock.json ./
+COPY package.json ./
+COPY user-model.js ./
 
 # Expose the port the app runs on
 EXPOSE 8006
diff --git a/apis/alluserservice/allusers-api.js b/apis/alluserservice/allusers-api.js
index 2d3e0938..82ee1eeb 100644
--- a/apis/alluserservice/allusers-api.js
+++ b/apis/alluserservice/allusers-api.js
@@ -4,6 +4,7 @@ const bodyParser = require('body-parser');
 const User = require('./user-model')
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8006;
 
 const originEndpoint = process.env.REACT_APP_API_ORIGIN_ENDPOINT || 'http://localhost:3000';
diff --git a/gamehistoryservice/Dockerfile b/gamehistoryservice/Dockerfile
index 1fe06eb2..eb9cf75c 100644
--- a/gamehistoryservice/Dockerfile
+++ b/gamehistoryservice/Dockerfile
@@ -12,7 +12,12 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY gamehistory-model.js ./
+COPY gamehistory.js ./
+COPY gamehistory.test.js ./
+COPY package-lock.json ./
+COPY package.json ./
 
 # Expose the port the app runs on
 EXPOSE 8004 
diff --git a/gamehistoryservice/gamehistory.js b/gamehistoryservice/gamehistory.js
index e537612e..496aedf8 100644
--- a/gamehistoryservice/gamehistory.js
+++ b/gamehistoryservice/gamehistory.js
@@ -9,6 +9,7 @@ mongoose.connect(mongoUri);
 const originEndpoint = process.env.REACT_APP_API_ORIGIN_ENDPOINT || 'http://localhost:3000';
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8004;
 
 // Middleware to parse JSON in request body
diff --git a/gamehistoryservice/gamehistory.test.js b/gamehistoryservice/gamehistory.test.js
index e2a3c516..037af61a 100644
--- a/gamehistoryservice/gamehistory.test.js
+++ b/gamehistoryservice/gamehistory.test.js
@@ -130,7 +130,6 @@ describe('Game History Service', () => {
             .get('/topUsers');
 
         expect(response.status).toBe(200);
-        console.log(response.body);
         expect(response.body).toEqual({
             primero: 'user1 - 90%',
             segundo: 'user2 - 85%',
diff --git a/gatewayservice/Dockerfile b/gatewayservice/Dockerfile
index 6c340432..932fadec 100644
--- a/gatewayservice/Dockerfile
+++ b/gatewayservice/Dockerfile
@@ -11,7 +11,12 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY gateway-service.js ./
+COPY gateway-service.test.js ./
+COPY openapi.yaml ./
+COPY package-lock.json ./
+COPY package.json ./
 
 # Define the command to run your app
 CMD ["node", "gateway-service.js"]
diff --git a/gatewayservice/gateway-service.js b/gatewayservice/gateway-service.js
index c4700598..1c281fdb 100644
--- a/gatewayservice/gateway-service.js
+++ b/gatewayservice/gateway-service.js
@@ -8,6 +8,7 @@ const fs = require("fs")
 const YAML = require('yaml')
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8000;
 
 const gamehistoryUrl = process.env.GAMEHISTORY_SERVICE_URL || 'http://localhost:8004';
diff --git a/gatewayservice/gateway-service.test.js b/gatewayservice/gateway-service.test.js
index eac6a6e3..7aaf7f02 100644
--- a/gatewayservice/gateway-service.test.js
+++ b/gatewayservice/gateway-service.test.js
@@ -3,10 +3,21 @@ const axios = require('axios');
 const app = require('./gateway-service'); 
 const { createServer } = require('http');
 const sinon = require('sinon');
-
+const { randomBytes } = require('crypto');
 
 const server = createServer(app);
-const newPassword = Math.floor(Math.random() * 10).toString(); // Genera una nueva contraseña aleatoria para evitar el Security Hostpot de SonarCloud en las pruebas
+const newString = generateSecureRandomPassword(8); // Genera una nueva contraseña aleatoria para evitar el Security Hostpot de SonarCloud en las pruebas
+
+function generateSecureRandomPassword(length) {
+  const characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_=+';
+  const password = [];
+  const bytes = randomBytes(length);
+  for (let i = 0; i < length; i++) {
+    const randomIndex = bytes[i] % characters.length;
+    password.push(characters[randomIndex]);
+  }
+  return password.join('');
+}
 
 afterAll(async () => {
     app.close();
@@ -58,7 +69,7 @@ describe('Gateway Service', () => {
   it('should forward login request to auth service', async () => {
     const response = await request(app)
       .post('/login')
-      .send({ username: 'testuser', password: newPassword });
+      .send({ username: 'testuser', password: newString });
 
     expect(response.statusCode).toBe(200);
     expect(response.body.token).toBe('mockedToken');
@@ -73,7 +84,7 @@ describe('Gateway Service', () => {
   it('should forward add user request to user service', async () => {
     const response = await request(app)
       .post('/adduser')
-      .send({ username: 'newuser', email: 'newuser@email.com', password: newPassword });
+      .send({ username: 'newuser', email: 'newuser@email.com', password: newString });
 
     expect(response.statusCode).toBe(200);
     expect(response.body.userId).toBe('mockedUserId');
diff --git a/gatewayservice/package-lock.json b/gatewayservice/package-lock.json
index 8660a783..acf15976 100644
--- a/gatewayservice/package-lock.json
+++ b/gatewayservice/package-lock.json
@@ -11,6 +11,7 @@
             "dependencies": {
                 "axios": "^1.6.5",
                 "cors": "^2.8.5",
+                "crypto": "^1.0.1",
                 "express": "^4.18.2",
                 "express-openapi": "^12.1.3",
                 "express-prom-bundle": "^7.0.0",
@@ -1902,6 +1903,12 @@
                 "node": ">= 8"
             }
         },
+        "node_modules/crypto": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
+            "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig==",
+            "deprecated": "This package is no longer supported. It's now a built-in Node module. If you've depended on crypto, you should switch to the one that's built-in."
+        },
         "node_modules/debug": {
             "version": "2.6.9",
             "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
diff --git a/gatewayservice/package.json b/gatewayservice/package.json
index 5abb800a..070db4da 100644
--- a/gatewayservice/package.json
+++ b/gatewayservice/package.json
@@ -20,6 +20,7 @@
     "dependencies": {
         "axios": "^1.6.5",
         "cors": "^2.8.5",
+        "crypto": "^1.0.1",
         "express": "^4.18.2",
         "express-openapi": "^12.1.3",
         "express-prom-bundle": "^7.0.0",
@@ -28,7 +29,7 @@
     },
     "devDependencies": {
         "jest": "^29.7.0",
-        "supertest": "^6.3.4",
-        "sinon": "^11.0.0"
+        "sinon": "^11.0.0",
+        "supertest": "^6.3.4"
     }
 }
diff --git a/perfilservice/Dockerfile b/perfilservice/Dockerfile
index 889973d2..f99d2a52 100644
--- a/perfilservice/Dockerfile
+++ b/perfilservice/Dockerfile
@@ -11,7 +11,12 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY package-lock.json ./
+COPY package.json ./
+COPY perfil-api.js ./
+COPY perfil-api.test.js ./
+COPY user-model.js ./
 
 # Expose the port the app runs on
 EXPOSE 8005
diff --git a/perfilservice/perfil-api.js b/perfilservice/perfil-api.js
index 66226df3..8d5ecc8c 100644
--- a/perfilservice/perfil-api.js
+++ b/perfilservice/perfil-api.js
@@ -4,6 +4,7 @@ const User = require('./user-model')
 const bodyParser = require('body-parser');
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8005;
 
 const originEndpoint = process.env.REACT_APP_API_ORIGIN_ENDPOINT || 'http://localhost:3000';
diff --git a/questiongenerator/Dockerfile b/questiongenerator/Dockerfile
index 79be9ed1..707e7740 100644
--- a/questiongenerator/Dockerfile
+++ b/questiongenerator/Dockerfile
@@ -11,7 +11,17 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY game-model.js ./
+COPY image-questions.js ./
+COPY image-questions.test.js ./
+COPY package-lock.json ./
+COPY package.json ./
+COPY question-model.js ./
+COPY question.js ./
+COPY question.test.js ./
+COPY text-questions.js ./
+COPY text-questions.test.js ./
 
 COPY game-model.js /usr/src/gamehistoryservice
 
diff --git a/questiongenerator/package-lock.json b/questiongenerator/package-lock.json
index 015c0383..38e69fcb 100644
--- a/questiongenerator/package-lock.json
+++ b/questiongenerator/package-lock.json
@@ -12,11 +12,11 @@
         "axios": "^0.21.1",
         "bcrypt": "^5.1.1",
         "body-parser": "^1.20.2",
+        "crypto": "^1.0.1",
         "express": "^4.18.2",
         "mongoose": "^8.0.4"
       },
       "devDependencies": {
-        "axios-mock-adapter": "^1.22.0",
         "jest": "^29.7.0",
         "mongodb-memory-server": "^9.1.5",
         "sinon": "^11.0.0",
@@ -1451,19 +1451,6 @@
         "follow-redirects": "^1.14.0"
       }
     },
-    "node_modules/axios-mock-adapter": {
-      "version": "1.22.0",
-      "resolved": "https://registry.npmjs.org/axios-mock-adapter/-/axios-mock-adapter-1.22.0.tgz",
-      "integrity": "sha512-dmI0KbkyAhntUR05YY96qg2H6gg0XMl2+qTW0xmYg6Up+BFBAJYRLROMXRdDEL06/Wqwa0TJThAYvFtSFdRCZw==",
-      "dev": true,
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "is-buffer": "^2.0.5"
-      },
-      "peerDependencies": {
-        "axios": ">= 0.17.0"
-      }
-    },
     "node_modules/b4a": {
       "version": "1.6.4",
       "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.6.4.tgz",
@@ -2000,6 +1987,12 @@
         "node": ">= 8"
       }
     },
+    "node_modules/crypto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
+      "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig==",
+      "deprecated": "This package is no longer supported. It's now a built-in Node module. If you've depended on crypto, you should switch to the one that's built-in."
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -2335,12 +2328,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/fast-deep-equal": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
-      "dev": true
-    },
     "node_modules/fast-fifo": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/fast-fifo/-/fast-fifo-1.3.2.tgz",
@@ -2869,29 +2856,6 @@
       "integrity": "sha512-zz06S8t0ozoDXMG+ube26zeCTNXcKIPJZJi8hBrF4idCLms4CG9QtK7qBl1boi5ODzFpjswb5JPmHCbMpjaYzg==",
       "dev": true
     },
-    "node_modules/is-buffer": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
-      "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ==",
-      "dev": true,
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/is-core-module": {
       "version": "2.13.1",
       "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.13.1.tgz",
diff --git a/questiongenerator/package.json b/questiongenerator/package.json
index 693480ae..9b4e6c07 100644
--- a/questiongenerator/package.json
+++ b/questiongenerator/package.json
@@ -18,16 +18,17 @@
   },
   "homepage": "https://github.com/arquisoft/wiq_es2c#readme",
   "dependencies": {
+    "axios": "^0.21.1",
     "bcrypt": "^5.1.1",
     "body-parser": "^1.20.2",
+    "crypto": "^1.0.1",
     "express": "^4.18.2",
-    "mongoose": "^8.0.4",
-    "axios": "^0.21.1"
+    "mongoose": "^8.0.4"
   },
   "devDependencies": {
     "jest": "^29.7.0",
     "mongodb-memory-server": "^9.1.5",
-    "supertest": "^6.3.4",
-    "sinon": "^11.0.0"
+    "sinon": "^11.0.0",
+    "supertest": "^6.3.4"
   }
 }
diff --git a/questiongenerator/question.js b/questiongenerator/question.js
index 0d94c13c..4b2b7c5a 100644
--- a/questiongenerator/question.js
+++ b/questiongenerator/question.js
@@ -2,6 +2,7 @@ const axios = require('axios');
 const express = require('express');
 const mongoose = require('mongoose');
 const bodyParser = require('body-parser');
+const crypto = require('crypto');
 const Question = require('./question-model');
 const Game = require('./game-model');
 const { queries:textQueries } = require('./text_questions');
@@ -10,6 +11,7 @@ const { queries:imagesQueries } = require('./image_questions');
 const generatorEndpoint = process.env.REACT_APP_API_ORIGIN_ENDPOINT || 'http://localhost:3000';
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8003;
 
 var language = 'undefined';
@@ -164,10 +166,10 @@ function getAllValues() {
 
 
 async function generarPregunta() {
-    randomNumber = Math.floor(Math.random() * 2);
+    randomNumber = crypto.randomInt(0, 2);
     try {
         // Petición a la API de WikiData
-        randomNumber = Math.floor(Math.random() * queries.length);
+        randomNumber = crypto.randomInt(0, queries.length);
         var response = await axios.get(url, {
             params: {
                 query: queries[randomNumber][0],
@@ -197,7 +199,7 @@ function procesarDatos(data) {
 
     // Obtenemos cuatro índices aleatorios sin repetición
     while (randomIndexes.length < 4) {
-        var randomIndex = Math.floor(Math.random() * data.length);
+        var randomIndex = crypto.randomInt(0, data.length);
         var option = data[randomIndex].optionLabel.value;
         var quest = "";
 
@@ -218,7 +220,7 @@ function procesarDatos(data) {
     }
 
     // Escogemos un índice aleatorio como la opción correcta
-    var correctIndex = Math.floor(Math.random() * 4);
+    var correctIndex = crypto.randomInt(0, 4);
     correctOption = data[randomIndexes[correctIndex]].optionLabel.value;
 
     if(quest == "") {
diff --git a/questiongenerator/question.test.js b/questiongenerator/question.test.js
index ba2b8a84..a05efd7b 100644
--- a/questiongenerator/question.test.js
+++ b/questiongenerator/question.test.js
@@ -51,7 +51,7 @@ describe('Question Generator test', () => {
     });
 
     it('Should manager errors when calling /generateQuestion', async () => {
-        await simulateError('get', '/generateQuestion', 'Error al obtener datos', { error: "Error al obtener datos TypeError: Cannot read properties of undefined (reading '0')" });
+        await simulateError('get', '/generateQuestion', 'Error al obtener datos', { error: "Error al obtener datos RangeError [ERR_OUT_OF_RANGE]: The value of \"max\" is out of range. It must be greater than the value of \"min\" (0). Received 0" });
     });
 
     it('Should configure the game when calling /configureGame', async () => {
diff --git a/questiongenerator/text_questions.js b/questiongenerator/text_questions.js
index 680e252d..2fabe944 100644
--- a/questiongenerator/text_questions.js
+++ b/questiongenerator/text_questions.js
@@ -236,7 +236,7 @@ queries["en"] = {
             BIND(CONCAT(?day, "/", ?month, "/", ?year) AS ?option)  
             SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
         }
-        `, "¿En que fecha se creó "],
+        `, "Where was created "],
                     [
                             // pregunta = creador, opcion = lenguaje de programacion
                             `
diff --git a/users/authservice/Dockerfile b/users/authservice/Dockerfile
index 70648d70..f0e6a771 100644
--- a/users/authservice/Dockerfile
+++ b/users/authservice/Dockerfile
@@ -11,7 +11,12 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY auth-model.js ./
+COPY auth-service.js ./
+COPY auth-service.test.js ./
+COPY package-lock.json ./
+COPY package.json ./
 
 # Expose the port the app runs on
 EXPOSE 8002
diff --git a/users/authservice/auth-service.js b/users/authservice/auth-service.js
index 9764f088..6e2a6c5a 100644
--- a/users/authservice/auth-service.js
+++ b/users/authservice/auth-service.js
@@ -5,6 +5,7 @@ const jwt = require('jsonwebtoken');
 const User = require('./auth-model')
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8002; 
 
 // Middleware to parse JSON in request body
diff --git a/users/authservice/auth-service.test.js b/users/authservice/auth-service.test.js
index 50424792..b271cebd 100644
--- a/users/authservice/auth-service.test.js
+++ b/users/authservice/auth-service.test.js
@@ -2,11 +2,24 @@ const request = require('supertest');
 const { MongoMemoryServer } = require('mongodb-memory-server');
 const bcrypt = require('bcrypt');
 const User = require('./auth-model');
+const { randomBytes } = require('crypto');
 
 let mongoServer;
 let app;
 
-const newPassword = Math.floor(Math.random() * 10).toString(); // Genera una nueva contraseña aleatoria para evitar el Security Hostpot de SonarCloud en las pruebas
+const newPassword = generateSecureRandomPassword(8); // Genera una nueva contraseña aleatoria para evitar el Security Hostpot de SonarCloud en las pruebas
+
+function generateSecureRandomPassword(length) {
+  const characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_=+';
+  const password = [];
+  const bytes = randomBytes(length);
+  for (let i = 0; i < length; i++) {
+    const randomIndex = bytes[i] % characters.length;
+    password.push(characters[randomIndex]);
+  }
+  return password.join('');
+}
+
 
 //test user
 const user = {
diff --git a/users/authservice/package-lock.json b/users/authservice/package-lock.json
index e0ceb0b8..4bb9add5 100644
--- a/users/authservice/package-lock.json
+++ b/users/authservice/package-lock.json
@@ -11,6 +11,7 @@
             "dependencies": {
                 "bcrypt": "^5.1.1",
                 "body-parser": "^1.20.2",
+                "crypto": "^1.0.1",
                 "express": "^4.18.2",
                 "jsonwebtoken": "^9.0.2",
                 "mongoose": "^8.0.4"
@@ -1944,6 +1945,12 @@
                 "node": ">= 8"
             }
         },
+        "node_modules/crypto": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
+            "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig==",
+            "deprecated": "This package is no longer supported. It's now a built-in Node module. If you've depended on crypto, you should switch to the one that's built-in."
+        },
         "node_modules/debug": {
             "version": "2.6.9",
             "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
diff --git a/users/authservice/package.json b/users/authservice/package.json
index 1891890e..d3e243a1 100644
--- a/users/authservice/package.json
+++ b/users/authservice/package.json
@@ -20,6 +20,7 @@
     "dependencies": {
         "bcrypt": "^5.1.1",
         "body-parser": "^1.20.2",
+        "crypto": "^1.0.1",
         "express": "^4.18.2",
         "jsonwebtoken": "^9.0.2",
         "mongoose": "^8.0.4"
diff --git a/users/userservice/Dockerfile b/users/userservice/Dockerfile
index f43e2df7..2112b186 100644
--- a/users/userservice/Dockerfile
+++ b/users/userservice/Dockerfile
@@ -11,7 +11,12 @@ COPY package*.json ./
 RUN npm install
 
 # Copy the app source code to the working directory
-COPY . .
+COPY .dockerignore ./
+COPY package-lock.json ./
+COPY package.json ./
+COPY user-model.js ./
+COPY user-service.js ./
+COPY user-service.test.js ./
 
 # Expose the port the app runs on
 EXPOSE 8001
diff --git a/users/userservice/user-service.js b/users/userservice/user-service.js
index 463030fa..512b539e 100644
--- a/users/userservice/user-service.js
+++ b/users/userservice/user-service.js
@@ -6,6 +6,7 @@ const bodyParser = require('body-parser');
 const User = require('./user-model')
 
 const app = express();
+app.disable('x-powered-by');
 const port = 8001;
 
 // Middleware to parse JSON in request body