# 基础镜像：使用Python官方镜像（更稳定）
FROM python:3.11-slim

# 设置工作目录
WORKDIR /app

# 环境变量
ENV PYTHONIOENCODING=utf-8 \
    PIP_DEFAULT_TIMEOUT=120 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    DEBIAN_FRONTEND=noninteractive \
    PYTHONUNBUFFERED=1

# ========== 系统依赖安装 ==========
RUN sed -i 's|deb.debian.org|mirrors.ustc.edu.cn|g' /etc/apt/sources.list.d/debian.sources && \
    apt-get update && \
    apt-get install -y --no-install-recommends \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    libgthread-2.0-0 \
    libgtk-3-0 \
    libgstreamer1.0-0 \
    libgstreamer-plugins-base1.0-0 \
    ffmpeg \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# ========== 配置pip源（国内加速） ==========
RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/ && \
    pip config set global.trusted-host mirrors.aliyun.com

# ========== 安装Python依赖（包括所有系统库的Python包装） ==========
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# ========== 复制应用代码 ==========
COPY . .

# ========== 暴露端口 ==========
EXPOSE 8000

# ========== 启动应用 ==========
CMD ["python", "-m", "uvicorn", "parse_service:app", "--host", "0.0.0.0", "--port", "8000"]