2026-01-27 15:50:23 +08:00
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# 【修改】使用与你环境一致的 Python 3.8
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FROM python:3.8
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WORKDIR /app
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# 1. 复制依赖并安装
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COPY requirements.txt .
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2026-09-02 18:39:09 +08:00
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# 安装依赖 + gunicorn（清华镜像源 + BuildKit 缓存挂载）
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# ★ 关键优化：pip 下载的 wheel 会缓存在宿主 /root/.cache/pip，
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# 只要 requirements.txt 不变，重复构建不再重新下载（首次约100s，之后秒级）
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RUN --mount=type=cache,target=/root/.cache/pip \
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pip install -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt && \
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pip install -i https://pypi.tuna.tsinghua.edu.cn/simple gunicorn
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2026-01-27 15:50:23 +08:00
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# 2. 复制后端代码
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COPY . .
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# 3. 启动命令
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# 假设你的入口文件是 run.py，实例叫 app
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CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:8000", "run:app"]
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