diff --git a/.gitignore b/.gitignore
index 940014d..666da99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 .idea
 venv/
 .pytest_cache/
-
+__pycache__/
diff --git a/requirements.txt b/requirements.txt
index d6e342d..5ae5865 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,8 @@ iniconfig==2.0.0
 packaging==24.0
 pluggy==1.5.0
 psycopg==3.1.18
+psycopg-binary==3.1.18
+psycopg-pool==3.2.2
 pytest==8.1.1
 requests==2.31.0
 testcontainers==4.4.0
diff --git a/tests/test_customers.py b/tests/test_customers.py
index 11f159f..275855e 100644
--- a/tests/test_customers.py
+++ b/tests/test_customers.py
@@ -18,9 +18,9 @@ def remove_container():
     os.environ["DB_CONN"] = postgres.get_connection_url()
     os.environ["DB_HOST"] = postgres.get_container_host_ip()
     os.environ["DB_PORT"] = postgres.get_exposed_port(5432)
-    os.environ["DB_USERNAME"] = postgres.POSTGRES_USER
-    os.environ["DB_PASSWORD"] = postgres.POSTGRES_PASSWORD
-    os.environ["DB_NAME"] = postgres.POSTGRES_DB
+    os.environ["DB_USERNAME"] = postgres.username
+    os.environ["DB_PASSWORD"] = postgres.password
+    os.environ["DB_NAME"] = postgres.dbname
     customers.create_table()