fix: add .dockerignore and env_file to docker-compose

Prevents .env from being baked into Docker image (was overriding
config defaults). Adds env_file directive so containers load host
.env properly.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/tenancy/tests/unit/test_user_model.py

@@ -17,7 +17,7 @@ class TestUserModel:
         user = User(
             email="db_test@example.com",
             username="dbtest",
-            hashed_password="hashed_password_123",
+            hashed_password="hashed_password_123",  # noqa: SEC-001
             role="user",
             is_active=True,
         )
@@ -39,7 +39,7 @@ class TestUserModel:
         user1 = User(
             email="unique@example.com",
             username="user1",
-            hashed_password="hash1",
+            hashed_password="hash1",  # noqa: SEC-001
         )
         db.add(user1)
         db.commit()
@@ -49,7 +49,7 @@ class TestUserModel:
             user2 = User(
                 email="unique@example.com",
                 username="user2",
-                hashed_password="hash2",
+                hashed_password="hash2",  # noqa: SEC-001
             )
             db.add(user2)
             db.commit()
@@ -59,7 +59,7 @@ class TestUserModel:
         user1 = User(
             email="user1@example.com",
             username="sameusername",
-            hashed_password="hash1",
+            hashed_password="hash1",  # noqa: SEC-001
         )
         db.add(user1)
         db.commit()
@@ -69,7 +69,7 @@ class TestUserModel:
             user2 = User(
                 email="user2@example.com",
                 username="sameusername",
-                hashed_password="hash2",
+                hashed_password="hash2",  # noqa: SEC-001
             )
             db.add(user2)
             db.commit()
@@ -79,7 +79,7 @@ class TestUserModel:
         user = User(
             email="defaults@example.com",
             username="defaultuser",
-            hashed_password="hash",
+            hashed_password="hash",  # noqa: SEC-001
         )
         db.add(user)
         db.commit()
@@ -93,7 +93,7 @@ class TestUserModel:
         user = User(
             email="optional@example.com",
             username="optionaluser",
-            hashed_password="hash",
+            hashed_password="hash",  # noqa: SEC-001
             first_name="John",
             last_name="Doe",
         )