# ============================================================
# Worker Builder 基础镜像
# 预编译：编译工具 + 基础依赖 + Worker大包
# 当 requirements-base.txt 或 requirements-worker.txt 变更时重新构建
# 业务构建从此镜像开始，只需要安装业务依赖，节省15+分钟
# ============================================================

FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim

# 使用阿里云镜像加速
RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
    sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list 2>/dev/null || true

# 安装编译工具
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    python3-dev \
    binutils \
    && rm -rf /var/lib/apt/lists/*

# 创建 venv
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

WORKDIR /tmp

# 基础依赖（变化极少）
COPY requirements-base.txt /tmp/requirements-base.txt
RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked \
    pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com \
    -r /tmp/requirements-base.txt \
    && rm /tmp/requirements-base.txt

# Worker 大包（变化少）
COPY requirements-worker.txt /tmp/requirements-worker.txt
RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked \
    pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com \
    -r /tmp/requirements-worker.txt \
    && rm /tmp/requirements-worker.txt

# 预先做一次 strip（基础层瘦身，业务层增量）
RUN find /opt/venv -name "*.so" -type f -exec strip --strip-all {} \; 2>/dev/null || true