diff --git a/src/app.js b/src/app.js
index 9691247..49abb0f 100644
--- a/src/app.js
+++ b/src/app.js
@@ -1,8 +1,15 @@
-function createApp() {
-  const express = require('express');
-  const cookieParser = require('cookie-parser');
-  const path = require('path');
+const express = require('express');
+const cookieParser = require('cookie-parser');
+const path = require('path');
 
+function buildDependencies() {
+  const dependencies = {};
+
+  dependencies.sequelize = require('./database');
+  return dependencies;
+}
+
+function createApp(dependencies) {
   const app = express();
   const port = 3000;
 
@@ -32,7 +39,8 @@ function createApp() {
   return app;
 }
 
-const app = createApp();
+const dependencies = buildDependencies();
+const app = createApp(dependencies);
 app.listen(app.get('port'), () => {
   console.log(`Server started on port ${app.get('port')}`);
 });
diff --git a/src/middlewares/redirectIfMissingProfileDetailsMiddleware.js b/src/middlewares/redirectIfMissingProfileDetailsMiddleware.js
index 934048d..090bc31 100644
--- a/src/middlewares/redirectIfMissingProfileDetailsMiddleware.js
+++ b/src/middlewares/redirectIfMissingProfileDetailsMiddleware.js
@@ -1,4 +1,7 @@
-const profileService = require('../services/profileService');
+const profileServiceProvider = require('../services/profileService');
+const ContactDetailsSet = require('../models/ContactDetailsSet');
+const NymSet = require('../models/NymSet');
+const profileService = profileServiceProvider(ContactDetailsSet, NymSet);
 
 async function redirectIfMissingProfileDetailsMiddleware(req, res, next) {
   const publicKey = req.cookies.publicKey;
diff --git a/src/routes/apiRoutes.js b/src/routes/apiRoutes.js
index 02bcc56..9d5516c 100644
--- a/src/routes/apiRoutes.js
+++ b/src/routes/apiRoutes.js
@@ -4,12 +4,16 @@ const invitesService = require('../services/invitesService');
 const nostrService = require('../services/nostrService');
 const loginService = require('../services/loginService');
 const sessionService = require('../services/sessionService');
-const profileService = require('../services/profileService');
+const profileServiceProvider = require('../services/profileService');
 const offerService = require('../services/offerService');
 const errors = require('../errors');
 const attachPublicKeyMiddleware = require('../middlewares/attachPublicKeyMiddleware');
 const rejectIfNotAuthorizedMiddleware = require('../middlewares/rejectIfNotAuthorizedMiddleware');
 
+const ContactDetailsSet = require('../models/ContactDetailsSet');
+const NymSet = require('../models/NymSet');
+const profileService = profileServiceProvider(ContactDetailsSet, NymSet);
+
 const router = express.Router();
 
 router.get('/signup/nostr-challenge', async (req, res) => {
diff --git a/src/services/profileService.js b/src/services/profileService.js
index 5db0c24..2ea84c8 100644
--- a/src/services/profileService.js
+++ b/src/services/profileService.js
@@ -1,38 +1,35 @@
 const uuid = require('uuid');
-const ContactDetailsSet = require('../models/ContactDetailsSet');
-const NymSet = require('../models/NymSet');
 
-async function setContactDetails(publicKey, encryptedContactDetails) {
-  return await ContactDetailsSet.create({
-    uuid: uuid.v7(),
-    public_key: publicKey,
-    encrypted_contact_details: encryptedContactDetails,
-    created_at: new Date().toISOString(),
-  });
-}
-
-async function setNym(publicKey, nym) {
-  return await NymSet.create({
-    uuid: uuid.v7(),
-    public_key: publicKey,
-    nym: nym,
-    created_at: new Date().toISOString(),
-  });
-}
-
-async function areProfileDetailsComplete(publicKey) {
-  const isNymSet = await NymSet.findOne({ where: { public_key: publicKey } });
-  const areContactDetailsSet = await ContactDetailsSet.findOne({
-    where: {
+const profileServicesProvider = (ContactDetailsSet, NymSet) => {
+  async function setContactDetails(publicKey, encryptedContactDetails) {
+    return await ContactDetailsSet.create({
+      uuid: uuid.v7(),
       public_key: publicKey,
-    },
-  });
+      encrypted_contact_details: encryptedContactDetails,
+      created_at: new Date().toISOString(),
+    });
+  }
 
-  return isNymSet && areContactDetailsSet;
-}
+  async function setNym(publicKey, nym) {
+    return await NymSet.create({
+      uuid: uuid.v7(),
+      public_key: publicKey,
+      nym: nym,
+      created_at: new Date().toISOString(),
+    });
+  }
 
-module.exports = {
-  setContactDetails,
-  setNym,
-  areProfileDetailsComplete,
+  async function areProfileDetailsComplete(publicKey) {
+    const isNymSet = await NymSet.findOne({ where: { public_key: publicKey } });
+    const areContactDetailsSet = await ContactDetailsSet.findOne({
+      where: {
+        public_key: publicKey,
+      },
+    });
+
+    return isNymSet && areContactDetailsSet;
+  }
+
+  return { setContactDetails, setNym, areProfileDetailsComplete };
 };
+module.exports = profileServicesProvider;