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FROM python:3.10-slim-bookworm
# 第一阶段:以root身份准备环境
# 创建缓存目录并设置权限
RUN mkdir -p /model-cache && \
chmod 777 /model-cache
# 设置环境变量
ENV TRANSFORMERS_CACHE=/model-cache \
HF_HOME=/model-cache \
PYTHONUNBUFFERED=1
# 安装系统依赖
RUN apt-get update && \
apt-get install -y --no-install-recommends gcc python3-dev && \
rm -rf /var/lib/apt/lists/*
# 创建应用用户(避免使用useradd权限问题)
RUN adduser --disabled-password --gecos "" appuser && \
chown -R appuser:appuser /model-cache
# 切换用户
USER appuser
WORKDIR /app
# 安装Python依赖
COPY requirements.txt .
RUN pip install --user --no-cache-dir -r requirements.txt
# 复制应用代码
COPY app.py .
EXPOSE 8080
CMD ["gunicorn", "--bind", "0.0.0.0:8080", "--timeout", "120", "app:app"]