# 第一阶段：构建
FROM docker.1ms.run/python:3.10-slim as builder

WORKDIR /backend

# 安装系统依赖（合并为一个RUN减少层数）
RUN apt-get update && apt-get install -y \
    bash git curl gnupg ca-certificates \
    libjpeg-dev libmariadb-dev-compat default-libmysqlclient-dev \
    build-essential libffi-dev libssl-dev zlib1g-dev libbz2-dev \
    libpcre2-dev libncurses5-dev libreadline-dev tk-dev libpq-dev unixodbc-dev \
    && rm -rf /var/lib/apt/lists/* \
    && curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o /etc/apt/trusted.gpg.d/microsoft.gpg \
    && echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-ubuntu-focal-prod focal main" > /etc/apt/sources.list.d/mssql-release.list \
    && apt-get update \
    && ACCEPT_EULA=Y apt-get install -y msodbcsql18 \
    && rm -rf /var/lib/apt/lists/*

# 先复制依赖文件，利用缓存
COPY ./backend/requirements.txt .

# 安装 Python 依赖（带缓存加速）
RUN pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple/ -r requirements.txt

# 复制剩余代码
COPY ./backend/ .

# 配置
RUN ls ./conf/ \
    && awk 'BEGIN { cmd="cp -i ./conf/env.example.py ./conf/env.py "; print "n" |cmd; }' \
    && sed -i "s|DATABASE_HOST = '127.0.0.1'|DATABASE_HOST = '177.10.0.1'|g" ./conf/env.py \
    && sed -i "s|REDIS_HOST = '127.0.0.1'|REDIS_HOST = '177.10.0.1'|g" ./conf/env.py

# 第二阶段：运行时镜像
FROM docker.1ms.run/python:3.10-slim

RUN apt-get update && apt-get install -y \
    unixodbc libodbc2 \
    libssl3 libkrb5-3 krb5-user \
    && rm -rf /var/lib/apt/lists/*

COPY --from=builder /usr/local/lib/python3.10/site-packages /usr/local/lib/python3.10/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin
COPY --from=builder /opt/microsoft/msodbcsql18 /opt/microsoft/msodbcsql18
COPY --from=builder /backend /backend

# 设置库路径并注册 ODBC Driver 18
ENV LD_LIBRARY_PATH=/opt/microsoft/msodbcsql18/lib64:${LD_LIBRARY_PATH}
RUN cat /opt/microsoft/msodbcsql18/etc/odbcinst.ini >> /etc/odbcinst.ini || true

WORKDIR /backend
CMD ["sh","docker_start.sh"]