diff --git a/Dockerfile b/Dockerfile
index ea99ba8..9b52ca8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,9 @@ FROM python:3.11-slim-bookworm
 
 WORKDIR /app
 
+# Upgrade system packages to fix CVEs (e.g. libgnutls30)
+RUN apt-get update && apt-get upgrade -y && apt-get clean && rm -rf /var/lib/apt/lists/*
+
 # Copy virtual environment from builder
 COPY --from=builder /app/.venv /app/.venv
 
diff --git a/src/application/use_cases/stream_message.py b/src/application/use_cases/stream_message.py
index ad51e2e..8092dbb 100644
--- a/src/application/use_cases/stream_message.py
+++ b/src/application/use_cases/stream_message.py
@@ -1,4 +1,5 @@
 import logging
+import sys
 import time
 import json
 from collections.abc import AsyncGenerator
@@ -9,6 +10,12 @@
 from src.domain.ports.thread_repository import ThreadRepository
 
 logger = logging.getLogger(__name__)
+if not logger.handlers:
+    _handler = logging.StreamHandler(sys.stdout)
+    _handler.setFormatter(logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s"))
+    logger.addHandler(_handler)
+    logger.setLevel(logging.INFO)
+    logger.propagate = False
 
 
 class StreamMessageUseCase:
diff --git a/src/main.py b/src/main.py
index 9b95dcd..2792a8b 100644
--- a/src/main.py
+++ b/src/main.py
@@ -10,6 +10,7 @@
     stream=sys.stdout,
     force=True,
 )
+logging.getLogger().setLevel(logging.INFO)
 
 from src.config import Settings