51 lines
1.4 KiB
Docker
51 lines
1.4 KiB
Docker
# -*- coding: utf-8 -*-
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# 使用Python 3官方镜像(自动使用最新稳定版本,匹配本机Python版本)
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FROM python:3-slim
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# 设置工作目录
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WORKDIR /app
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# 设置环境变量
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ENV PYTHONUNBUFFERED=1 \
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PYTHONDONTWRITEBYTECODE=1 \
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FLASK_APP=web_app.py \
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FLASK_ENV=production
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# 安装系统依赖(用于OCR等功能)
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RUN apt-get update && apt-get install -y \
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tesseract-ocr \
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tesseract-ocr-chi-sim \
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tesseract-ocr-eng \
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libgl1 \
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libglx-mesa0 \
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libglib2.0-0 \
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&& rm -rf /var/lib/apt/lists/*
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# 复制requirements文件
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COPY requirements.txt .
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# 安装Python依赖(排除GUI相关依赖,Docker中不需要)
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RUN pip install --no-cache-dir -r requirements.txt && \
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pip install --no-cache-dir gunicorn
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# 复制应用代码
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COPY . .
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# 创建必要的目录
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RUN mkdir -p templates static/css static/js logs data models
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# 设置权限
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RUN chmod +x start_web.py
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# 暴露端口
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EXPOSE 5000
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD python -c "import requests; requests.get('http://localhost:5000/health')" || exit 1
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# 使用gunicorn启动应用(生产环境)
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# 注意:默认配置使用2个worker,适合1GB+内存的机器
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# 如果机器内存较小(512MB-1GB),建议修改为 "--workers", "1"
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CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "2", "--timeout", "120", "--access-logfile", "-", "--error-logfile", "-", "web_app:app"]
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