diff --git a/Dockerfile b/Dockerfile
index 7497efa..aadfda6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,6 @@ COPY requirements.txt requirements.txt
 
 RUN pip3 install -r requirements.txt
 
-COPY src src
+COPY . .
 
-CMD [ "python3", "src/main.py" ]
+CMD [ "python3", "main.py" ]
diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/main.py b/main.py
similarity index 85%
rename from src/main.py
rename to main.py
index ad64102..6b2ec39 100644
--- a/src/main.py
+++ b/main.py
@@ -1,7 +1,7 @@
-from repositories.apartment_firestore import ApartmentFirestoreRepository
-from usecase.apartment import ApartmentUseCase
-from infrastructure.discord import DiscordInfrastructure
-from repositories.scraper import ScraperRepository
+from src.repositories.apartment_firestore import ApartmentFirestoreRepository
+from src.usecase.apartment import ApartmentUseCase
+from src.infrastructure.discord import DiscordInfrastructure
+from src.repositories.scraper import ScraperRepository
 from firebase_admin import credentials
 
 import os
diff --git a/src/repositories/apartment_firestore.py b/src/repositories/apartment_firestore.py
index fde45fa..7a2459f 100644
--- a/src/repositories/apartment_firestore.py
+++ b/src/repositories/apartment_firestore.py
@@ -4,7 +4,7 @@
 from firebase_admin import firestore
 from google.api_core import exceptions
 
-from entities.apartment import Apartment
+from src.entities.apartment import Apartment
 
 class ApartmentFirestoreRepository:
     def __init__(self, credentials):
diff --git a/src/usecase/apartment.py b/src/usecase/apartment.py
index d957fc1..7704f38 100644
--- a/src/usecase/apartment.py
+++ b/src/usecase/apartment.py
@@ -1,7 +1,7 @@
-from entities.apartment import Apartment
-from repositories.scraper import ScraperRepository
-from repositories.apartment_firestore import ApartmentFirestoreRepository
-from infrastructure.discord import DiscordInfrastructure
+from src.entities.apartment import Apartment
+from src.repositories.scraper import ScraperRepository
+from src.repositories.apartment_firestore import ApartmentFirestoreRepository
+from src.infrastructure.discord import DiscordInfrastructure
 import re
 
 class ApartmentUseCase:
diff --git a/tests/entities/test_apartment.py b/tests/entities/test_apartment.py
new file mode 100644
index 0000000..6040bca
--- /dev/null
+++ b/tests/entities/test_apartment.py
@@ -0,0 +1,84 @@
+from src.entities.apartment import Apartment
+import unittest
+
+class TestApartment(unittest.TestCase):
+
+    def test_initialization(self):
+        # Test the initialization of the Apartment instance
+        apartment = Apartment(
+            id=1,
+            address="123 Main St",
+            location="City",
+            last_register_date="2023-01-01",
+            level=2,
+            rent=1000,
+            rooms=3,
+            square_meter=75,
+            temporary=True,
+            age=20,
+            youth=True
+        )
+
+        self.assertEqual(apartment.id, 1)
+        self.assertEqual(apartment.address, "123 Main St")
+        self.assertEqual(apartment.location, "City")
+        self.assertEqual(apartment.last_register_date, "2023-01-01")
+        self.assertEqual(apartment.level, 2)
+        self.assertEqual(apartment.rent, 1000)
+        self.assertEqual(apartment.rooms, 3)
+        self.assertEqual(apartment.square_meter, 75)
+        self.assertTrue(apartment.temporary)
+        self.assertEqual(apartment.age, 20)
+        self.assertTrue(apartment.youth)
+
+    def test_string_representation(self):
+        # Test the __str__ method of the Apartment class
+        apartment = Apartment(
+            id=1,
+            address="123 Main St",
+            location="City",
+            last_register_date="2023-01-01",
+            level=2,
+            rent=1000,
+            rooms=3,
+            square_meter=75,
+            temporary=True,
+            age=20,
+            youth=True
+        )
+
+        expected_str = "Address: 123 Main St\nLast Register Date: 2023-01-01\nLevel: 2\nLink: https://bostad.stockholm.se/bostad/1\nLocation: City\nRent: 1000\nRooms: 3\nSquare Meter: 75\nTemporary: True\nAge: 20\nYouth: True\n"
+        self.assertEqual(str(apartment), expected_str)
+
+    def test_youth_set_but_not_age(self):
+        # Test that an exception is raised when youth and age are not set correctly
+        with self.assertRaises(ValueError):
+            Apartment(
+                id=1,
+                address="123 Main St",
+                location="City",
+                last_register_date="2023-01-01",
+                level=2,
+                rent=1000,
+                rooms=3,
+                square_meter=75,
+                youth=True # Age is missing
+            )
+
+    def test_age_set_but_not_youth(self):
+        # Test that an exception is raised when youth and age are not set correctly
+        with self.assertRaises(ValueError):
+            Apartment(
+                id=1,
+                address="123 Main St",
+                location="City",
+                last_register_date="2023-01-01",
+                level=2,
+                rent=1000,
+                rooms=3,
+                square_meter=75,
+                age=23 # Youth is missing
+            )
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/repositories/test_apartment_firestore.py b/tests/repositories/test_apartment_firestore.py
new file mode 100644
index 0000000..383b78e
--- /dev/null
+++ b/tests/repositories/test_apartment_firestore.py
@@ -0,0 +1,53 @@
+import unittest
+from unittest.mock import Mock, patch
+from src.repositories.apartment_firestore import ApartmentFirestoreRepository
+from src.entities.apartment import Apartment
+from google.api_core.exceptions import AlreadyExists
+
+class TestApartmentFirestoreRepository(unittest.TestCase):
+
+    def setUp(self):
+        # Mock Firebase Admin initialize_app method
+        self.mock_firebase_admin = Mock()
+        self.mock_firestore = Mock()
+        self.mock_collection = Mock()
+        self.mock_document = Mock()
+        self.mock_firestore.client.return_value = self.mock_collection
+        self.mock_collection.document.return_value = self.mock_document
+        self.patcher = patch('src.repositories.apartment_firestore.firebase_admin', self.mock_firebase_admin)
+        self.patcher.start()
+
+        # Initialize the repository with a dummy credentials path
+        self.repo = ApartmentFirestoreRepository('dummy_credentials.json')
+
+    def tearDown(self):
+        self.patcher.stop()
+
+    def test_post_apartment_listing_successful(self):
+        # Create a sample Apartment object
+        apartment = Apartment("1", "Sample Apartment", 1000)
+
+        # Mock Firestore create method to simulate successful creation
+        self.mock_document.create.return_value = None
+
+        # Attempt to post the apartment listing
+        result = self.repo.post_apartment_listing(apartment)
+
+        # Verify that the method returned True, indicating success
+        self.assertTrue(result)
+
+    def test_post_apartment_listing_already_exists(self):
+        # Create a sample Apartment object
+        apartment = Apartment("1", "Sample Apartment", 1000)
+
+        # Mock Firestore create method to simulate AlreadyExists exception
+        self.mock_document.create.side_effect = AlreadyExists("Document already exists")
+
+        # Attempt to post the apartment listing
+        result = self.repo.post_apartment_listing(apartment)
+
+        # Verify that the method returned False, indicating that the document already exists
+        self.assertFalse(result)
+
+if __name__ == '__main__':
+    unittest.main()