diff --git a/Dockerfile b/Dockerfile
index 0e2ff58..5497616 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ USER 10001
 
 COPY --chown=app:app pyproject.toml uv.lock* README.md /app/
 
-RUN uv sync --extra dev --frozen
+RUN uv sync --extra dev
 
 ENV PATH="/app/.venv/bin:$PATH"
 
diff --git a/compose.yml b/compose.yml
index 42b8bd9..85c8664 100644
--- a/compose.yml
+++ b/compose.yml
@@ -5,7 +5,7 @@ services:
         args:
           PYTHON_VERSION: ${PYTHON_VERSION:-3.10}
       image: flaskapi-guard-example-py${PYTHON_VERSION:-3.10}
-      command: gunicorn examples.main:app --bind 0.0.0.0:8000 --reload
+      command: gunicorn examples.simple_app.main:app --bind 0.0.0.0:8000 --reload
       ports:
         - "8000:8000"
       environment:
@@ -36,7 +36,6 @@ services:
         - ./flaskapi_guard:/app/flaskapi_guard:z
         - ./tests:/app/tests:z
         - ./pyproject.toml:/app/pyproject.toml:z
-        - ./uv.lock:/app/uv.lock:z
         - ./vulture_whitelist.py:/app/vulture_whitelist.py:z
       depends_on:
         redis:
diff --git a/examples/advanced_app/app/security.py b/examples/advanced_app/app/security.py
index 4c98af1..87fc62d 100644
--- a/examples/advanced_app/app/security.py
+++ b/examples/advanced_app/app/security.py
@@ -41,6 +41,7 @@ def custom_response_modifier(resp: Response) -> Response:
     auto_ban_threshold=5,
     auto_ban_duration=300,
     enable_penetration_detection=True,
+    behavior_scan_response_body=True,
     enable_redis=True,
     redis_url=os.environ.get("REDIS_URL", "redis://localhost:6379"),
     redis_prefix=os.environ.get("REDIS_PREFIX", "flaskapi_guard:"),
diff --git a/tests/conftest.py b/tests/conftest.py
index 8789553..fa311b3 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -17,6 +17,18 @@
 
 IPINFO_TOKEN = str(os.getenv("IPINFO_TOKEN"))
 REDIS_URL = str(os.getenv("REDIS_URL"))
+
+
+@pytest.fixture(scope="session", autouse=True)
+def _engine_default_redis_url_follows_redis_url() -> None:
+    # A SecurityConfig built without redis_url falls back to localhost:6379, which
+    # is not where Redis lives inside the compose network.
+    SecurityConfig.model_fields["redis_url"].default = (
+        os.getenv("REDIS_URL") or "redis://localhost:6379"
+    )
+    SecurityConfig.model_rebuild(force=True)
+
+
 REDIS_PREFIX = str(os.getenv("REDIS_PREFIX"))
 
 
diff --git a/tests/test_decorators/test_advanced.py b/tests/test_decorators/test_advanced.py
index a516c10..b2bc47e 100644
--- a/tests/test_decorators/test_advanced.py
+++ b/tests/test_decorators/test_advanced.py
@@ -227,7 +227,7 @@ def test_honeypot_form_detection(security_config: SecurityConfig) -> None:
         "application/x-www-form-urlencoded" if key == "content-type" else default
     )
     mock_request.body.return_value = b"bot_trap=filled"
-    mock_request.read_body_prefix.return_value = b"bot_trap=filled"
+    mock_request.read_body_prefix = lambda _max_bytes: b"bot_trap=filled"
 
     result = validator(mock_request)
     assert result.status_code == 403
@@ -278,7 +278,7 @@ def test_honeypot_json_detection(security_config: SecurityConfig) -> None:
         "application/json" if key == "content-type" else default
     )
     mock_request.body.return_value = b'{"spam_check": "filled"}'
-    mock_request.read_body_prefix.return_value = b'{"spam_check": "filled"}'
+    mock_request.read_body_prefix = lambda _max_bytes: b'{"spam_check": "filled"}'
 
     result = validator(mock_request)
     assert result.status_code == 403
diff --git a/tests/test_decorators/test_extension_integration.py b/tests/test_decorators/test_extension_integration.py
index d94760b..0878636 100644
--- a/tests/test_decorators/test_extension_integration.py
+++ b/tests/test_decorators/test_extension_integration.py
@@ -1,3 +1,4 @@
+import os
 from typing import Any, cast
 from unittest.mock import MagicMock, Mock, patch
 
@@ -11,6 +12,8 @@
 from flaskapi_guard.adapters import FlaskGuardResponse
 from flaskapi_guard.extension import FlaskAPIGuard
 
+REDIS_URL = os.getenv("REDIS_URL") or "redis://localhost:6379"
+
 
 def test_set_decorator_handler() -> None:
     """Test set_decorator_handler method."""
@@ -575,7 +578,7 @@ def test_endpoint() -> str:
 
 def test_route_specific_rate_limit_with_redis() -> None:
     app = Flask(__name__)
-    config = SecurityConfig(enable_redis=True, redis_url="redis://localhost:6379")
+    config = SecurityConfig(enable_redis=True, redis_url=REDIS_URL)
     config.enable_penetration_detection = False
 
     decorator = SecurityDecorator(config)