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/customers/tests/unit/test_customer_schema.py

@@ -24,7 +24,7 @@ class TestCustomerRegisterSchema:
         """Test valid registration data."""
         customer = CustomerRegister(
             email="customer@example.com",
-            password="Password123",
+            password="Password123",  # noqa: SEC-001
             first_name="John",
             last_name="Doe",
         )
@@ -36,7 +36,7 @@ class TestCustomerRegisterSchema:
         """Test email is normalized to lowercase."""
         customer = CustomerRegister(
             email="Customer@Example.COM",
-            password="Password123",
+            password="Password123",  # noqa: SEC-001
             first_name="John",
             last_name="Doe",
         )
@@ -47,7 +47,7 @@ class TestCustomerRegisterSchema:
         with pytest.raises(ValidationError) as exc_info:
             CustomerRegister(
                 email="not-an-email",
-                password="Password123",
+                password="Password123",  # noqa: SEC-001
                 first_name="John",
                 last_name="Doe",
             )
@@ -58,7 +58,7 @@ class TestCustomerRegisterSchema:
         with pytest.raises(ValidationError) as exc_info:
             CustomerRegister(
                 email="customer@example.com",
-                password="Pass1",
+                password="Pass1",  # noqa: SEC-001
                 first_name="John",
                 last_name="Doe",
             )
@@ -69,7 +69,7 @@ class TestCustomerRegisterSchema:
         with pytest.raises(ValidationError) as exc_info:
             CustomerRegister(
                 email="customer@example.com",
-                password="Password",
+                password="Password",  # noqa: SEC-001
                 first_name="John",
                 last_name="Doe",
             )
@@ -80,7 +80,7 @@ class TestCustomerRegisterSchema:
         with pytest.raises(ValidationError) as exc_info:
             CustomerRegister(
                 email="customer@example.com",
-                password="12345678",
+                password="12345678",  # noqa: SEC-001
                 first_name="John",
                 last_name="Doe",
             )
@@ -91,7 +91,7 @@ class TestCustomerRegisterSchema:
         with pytest.raises(ValidationError) as exc_info:
             CustomerRegister(
                 email="customer@example.com",
-                password="Password123",
+                password="Password123",  # noqa: SEC-001
                 last_name="Doe",
             )
         assert "first_name" in str(exc_info.value).lower()
@@ -100,7 +100,7 @@ class TestCustomerRegisterSchema:
         """Test marketing_consent defaults to False."""
         customer = CustomerRegister(
             email="customer@example.com",
-            password="Password123",
+            password="Password123",  # noqa: SEC-001
             first_name="John",
             last_name="Doe",
         )
@@ -110,7 +110,7 @@ class TestCustomerRegisterSchema:
         """Test optional phone field."""
         customer = CustomerRegister(
             email="customer@example.com",
-            password="Password123",
+            password="Password123",  # noqa: SEC-001
             first_name="John",
             last_name="Doe",
             phone="+352 123 456",