Django container pytest fixture

fixtures.py

# Create definition instances
socket_volume = VolumeDefinition("socket")
static_volume = VolumeDefinition("static")
django_container = DjangoContainer("django", socket_volume, static_volume,
                                   postgresql_container.database_url())

# Create pytest fixtures
socket_volume_fixture = socket_volume.pytest_fixture("socket_volume")
static_volume_fixture = static_volume.pytest_fixture("static_volume")
django_fixture = django_container.pytest_fixture(
    "django_container",
    dependencies=["socket_volume", "static_volume", "postgresql_container"])