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# 多阶段构建 - 构建阶段
FROM python:3.9-slim as builder
# 构建参数
ARG BUILDTIME
ARG VERSION
ARG REVISION
# 安装构建依赖(精简版本)
RUN apt-get update && apt-get install -y \
build-essential \
gcc \
g++ \
# 基础编译工具
cmake \
make \
pkg-config \
# 图像处理库
libfreetype6-dev \
libjpeg-dev \
libpng-dev \
# OpenCV最小依赖
libglib2.0-0 \
libgomp1 \
libgcc-s1 \
# 工具
curl \
wget \
&& rm -rf /var/lib/apt/lists/* \
&& apt-get clean
# 设置工作目录
WORKDIR /app
# 复制生产环境依赖文件
COPY requirements-production.txt .
# 升级pip并安装Python依赖到用户目录
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir --user -r requirements-production.txt && \
# 清理pip缓存
pip cache purge
# 生产阶段 - 使用slim基础镜像
FROM python:3.9-slim as production
# 复制构建参数到生产阶段
ARG BUILDTIME
ARG VERSION
ARG REVISION
# 设置生产环境标签
LABEL org.opencontainers.image.created=${BUILDTIME}
LABEL org.opencontainers.image.version=${VERSION}
LABEL org.opencontainers.image.revision=${REVISION}
LABEL org.opencontainers.image.title="Invoice OCR System"
LABEL org.opencontainers.image.description="基于FastAPI和EasyOCR的发票识别管理系统"
LABEL org.opencontainers.image.source="https://github.com/Kis2Show/get_invoice_done"
LABEL org.opencontainers.image.licenses="MIT"
# 安装运行时依赖(精简版本)
RUN apt-get update && apt-get install -y \
# 最小运行时依赖
libgomp1 \
libgcc-s1 \
libjpeg62-turbo \
libfreetype6 \
libglib2.0-0 \
# 健康检查工具
curl \
# 清理缓存
&& rm -rf /var/lib/apt/lists/* \
&& apt-get clean
# 创建非root用户
RUN groupadd -r appuser && useradd -r -g appuser appuser
# 设置工作目录
WORKDIR /app
# 从构建阶段复制Python包
COPY --from=builder /root/.local /home/appuser/.local
# 复制应用代码(只复制必要文件)
COPY --chown=appuser:appuser app/ ./app/
COPY --chown=appuser:appuser run.py ./
# 创建必要的目录并设置权限(一次性操作)
RUN mkdir -p /app/data /app/invoices/pdf /app/invoices/imge /app/invoices/unrecognized /app/logs && \
chown -R appuser:appuser /app
# 暴露端口
EXPOSE 8000
# 切换到非root用户
USER appuser
# 设置环境变量(优化版本)
ENV PATH="/home/appuser/.local/bin:$PATH" \
PYTHONPATH=/app \
DATABASE_URL=sqlite:///./data/invoices.db \
INVOICE_DIR=/app/invoices \
PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
# OCR优化设置
EASYOCR_MODULE_PATH=/home/appuser/.EasyOCR \
OMP_NUM_THREADS=1
# 健康检查(使用更轻量的检查)
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
CMD curl -f http://localhost:8000/health || exit 1
# 启动命令(生产模式)
CMD ["python", "run.py"]