Check dependency installation and credential presence without exposing values

Dockerfile

@@ -1,6 +1,8 @@
 FROM modelhubxc-4pd.tencentcloudcr.com/xc_agent_platform/python:3.11-slim
 ENV PYTHONUNBUFFERED=1
 WORKDIR /app
+COPY requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r /app/requirements.txt
 COPY app.py /app/app.py
 EXPOSE 8080
 CMD ["python", "/app/app.py"]