# -*- coding: utf-8 -*- # 使用Python 3.11官方镜像作为基础镜像 FROM python:3.11-slim # 设置工作目录 WORKDIR /app # 设置环境变量 ENV PYTHONUNBUFFERED=1 \ PYTHONDONTWRITEBYTECODE=1 \ FLASK_APP=web_app.py \ FLASK_ENV=production # 安装系统依赖(用于OCR等功能) RUN apt-get update && apt-get install -y \ tesseract-ocr \ tesseract-ocr-chi-sim \ tesseract-ocr-eng \ libgl1-mesa-glx \ libglib2.0-0 \ && rm -rf /var/lib/apt/lists/* # 复制requirements文件 COPY requirements.txt . # 安装Python依赖(排除GUI相关依赖,Docker中不需要) RUN pip install --no-cache-dir -r requirements.txt && \ pip install --no-cache-dir gunicorn # 复制应用代码 COPY . . # 创建必要的目录 RUN mkdir -p templates static/css static/js logs data models # 设置权限 RUN chmod +x start_web.py # 暴露端口 EXPOSE 5000 # 健康检查 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ CMD python -c "import requests; requests.get('http://localhost:5000/health')" || exit 1 # 使用gunicorn启动应用(生产环境) CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "2", "--timeout", "120", "--access-logfile", "-", "--error-logfile", "-", "web_app:app"]