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# Backend Dockerfile for FastAPI service (TradingAgents-CN v1.0.0-preview)
# 前后端分离架构 - 后端服务
# 支持多架构: amd64, arm64
# 使用 Debian Bookworm (稳定版) 而不是 Trixie (测试版)
FROM python:3.10-slim-bookworm
# 获取构建架构信息
ARG TARGETARCH
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PIP_NO_CACHE_DIR=1 \
TZ=Asia/Shanghai
WORKDIR /app
# 创建必需的目录并安装系统依赖
# - curl: 健康检查
# - pandoc: 从 GitHub 下载最新版本(避免 Debian 仓库问题)
# - wkhtmltopdf: 从官方下载(用于 PDF 生成)
# - 中文字体: 用于 PDF 中文显示
RUN mkdir -p /app/logs /app/data /app/config && \
# 配置 apt 重试和超时
echo 'Acquire::Retries "3";' > /etc/apt/apt.conf.d/80-retries && \
echo 'Acquire::http::Timeout "30";' >> /etc/apt/apt.conf.d/80-retries && \
echo 'Acquire::https::Timeout "30";' >> /etc/apt/apt.conf.d/80-retries && \
# 更新软件源,允许失败后继续
(apt-get update || apt-get update || apt-get update) && \
apt-get install -y --no-install-recommends \
ca-certificates \
curl \
fontconfig \
fonts-noto-cjk \
wget \
xvfb && \
# 根据架构设置变量
if [ "$TARGETARCH" = "arm64" ]; then \
PANDOC_ARCH="arm64"; \
WKHTMLTOPDF_ARCH="arm64"; \
else \
PANDOC_ARCH="amd64"; \
WKHTMLTOPDF_ARCH="amd64"; \
fi && \
# 下载并安装 pandoc
wget -q https://github.com/jgm/pandoc/releases/download/3.8.2.1/pandoc-3.8.2.1-1-${PANDOC_ARCH}.deb && \
dpkg -i pandoc-3.8.2.1-1-${PANDOC_ARCH}.deb && \
rm pandoc-3.8.2.1-1-${PANDOC_ARCH}.deb && \
# 下载并安装 wkhtmltopdf
wget -q https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-3/wkhtmltox_0.12.6.1-3.bookworm_${WKHTMLTOPDF_ARCH}.deb && \
apt-get install -y --no-install-recommends \
./wkhtmltox_0.12.6.1-3.bookworm_${WKHTMLTOPDF_ARCH}.deb && \
rm wkhtmltox_0.12.6.1-3.bookworm_${WKHTMLTOPDF_ARCH}.deb && \
# 更新字体缓存
fc-cache -fv && \
rm -rf /var/lib/apt/lists/*
# 复制pyproject.toml和README.md(pip安装需要)
COPY pyproject.toml README.md ./
# 安装Python依赖
# 优化说明:
# 1. 使用清华镜像加速下载
# 2. 优先使用预编译的二进制wheel包(--prefer-binary)
# 3. 避免从源码编译,大幅提升ARM架构构建速度
# 4. 安装 PDF 导出工具: pdfkit
RUN pip install --upgrade pip -i https://pypi.tuna.tsinghua.edu.cn/simple && \
pip install --prefer-binary . -i https://pypi.tuna.tsinghua.edu.cn/simple && \
pip install --prefer-binary pdfkit -i https://pypi.tuna.tsinghua.edu.cn/simple
# 复制后端代码和必需模块
COPY app ./app
COPY tradingagents ./tradingagents
COPY config ./config
COPY scripts ./scripts
COPY docs ./docs
COPY install ./install
# 复制Docker环境配置文件
COPY .env.docker ./.env
# 暴露后端端口(与docker-compose.v1.0.0.yml一致)
EXPOSE 8000
# Docker环境标识
ENV DOCKER_CONTAINER=true
# 启动FastAPI服务
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]