feat: stabilize cold display runtime deployment

Dockerfile

@@ -0,0 +1,29 @@
+FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/library/python:3.12-slim-bookworm
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONPATH=/app/src \
+    TZ=Asia/Shanghai
+
+WORKDIR /app
+
+RUN sed -i 's|http://deb.debian.org/debian|http://mirrors.aliyun.com/debian|g; s|http://deb.debian.org/debian-security|http://mirrors.aliyun.com/debian-security|g' /etc/apt/sources.list.d/debian.sources && \
+    apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    ffmpeg \
+    tzdata \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY pyproject.toml README_zh.md /app/
+COPY src /app/src
+COPY config /app/config
+COPY scripts /app/scripts
+
+RUN chmod +x /app/scripts/*.sh && mkdir -p /app/logs
+
+EXPOSE 19080
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD python3 -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:19080/api/manage/health', timeout=3).read()" || exit 1
+
+CMD ["python3", "-m", "cold_display_guard.manage_api", "--config", "/app/config/example.toml", "--host", "0.0.0.0", "--port", "19080"]