diff --git a/auth.middleware.js b/auth.middleware.js
index 35dec2f..4b50714 100644
--- a/auth.middleware.js
+++ b/auth.middleware.js
@@ -1,35 +1,34 @@
-const jwt = require('express-jwt');
-const jwksRsa = require('jwks-rsa');
-
-const authServerUrl = 'http://localhost:5000'
+const jwt = require('express-jwt')
+const jwksRsa = require('jwks-rsa')
+const { authorityUrl } = require('./config')
 
 const checkJwt = jwt({
     secret: jwksRsa.expressJwtSecret({
         cache: false,
         rateLimit: true,
         jwksRequestsPerMinute: 5,
-        jwksUri: `http://172.16.31.64:5000/jwks`,
+        jwksUri: `${authorityUrl}/jwks`,
     }),
     audience: 'foo',
-    issuer: `${authServerUrl}`,
+    issuer: authorityUrl,
     algorithms: ['RS256'],
 });
 
 
 const readProducts = (req, res, next) => {
     const user = req.user;
-    if(user['read:products'] === 'true') {
+    if (user['read:products'] === 'true') {
         return next()
-    } else{
+    } else {
         return res.status(403).send('u dont have read access')
     }
 }
 
 const editProducts = (req, res, next) => {
     const user = req.user;
-    if(user['edit:products'] === 'true') {
+    if (user['edit:products'] === 'true') {
         return next()
-    } else{
+    } else {
         return res.status(403).send('u dont have edit access')
     }
 }
diff --git a/sampleDate.js b/sampleDate.js
index bfd28b1..a9b813d 100644
--- a/sampleDate.js
+++ b/sampleDate.js
@@ -27,4 +27,4 @@ const sampleProducts = [
   'Zulu',
 ]
 
-module.exports = {sampleProducts}
\ No newline at end of file
+module.exports = { sampleProducts }
\ No newline at end of file
diff --git a/server.example1.js b/server.example1.js
index 60a6c69..b51629f 100644
--- a/server.example1.js
+++ b/server.example1.js
@@ -1,7 +1,7 @@
 const express = require('express')
 const bodyParser = require('body-parser')
 const { promisify } = require('util')
-const { auth, strategies, requiredScopes } = require('express-oauth2-bearer');
+const { auth, strategies, requiredScopes } = require('express-oauth2-bearer')
 
 const app = express()
 app.use(bodyParser.json());
diff --git a/server.js b/server.js
index 60c72a2..fdba046 100644
--- a/server.js
+++ b/server.js
@@ -1,8 +1,9 @@
 const express = require('express')
 const bodyParser = require('body-parser')
 const { promisify } = require('util')
-const { checkJwt, readProducts, editProducts } = require('./auth.middleware');
+const { checkJwt, readProducts, editProducts } = require('./auth.middleware')
 const { sampleProducts } = require('./sampleDate')
+const { port } = require('./config')
 
 const app = express()
 app.use(bodyParser.json())
@@ -34,7 +35,7 @@ app.get('/sample', checkJwt, readProducts, (req, res) => {
     const limit = Number(req.query.limit) || 5
     const offset = Number(req.query.offset) || 0
 
-    const data = sampleProducts.slice(offset, offset+limit)
+    const data = sampleProducts.slice(offset, offset + limit)
 
     return res.status(200).send(data)
 })
@@ -51,7 +52,6 @@ app.post('/sample', checkJwt, editProducts, (req, res) => {
 })
 
 const startServer = async () => {
-    const port = process.env.SERVER_PORT || 3000
     await promisify(app.listen).bind(app)(port)
     console.log(`Listening on port ${port}`)
 }