xiaoxia-saas/infra/docker/api-base.Dockerfile

# ============================================================
# API 基础镜像（预构建）
# 预装系统依赖 + Python 依赖，业务构建从此镜像开始
# 当 requirements-base.txt 或 requirements.txt 变更时重新构建
# 目标：将 API Image 构建时间从 15-20 分钟降至 3-5 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

# 预装系统依赖（gcc 编译 psycopg/pg 扩展，libpq-dev 编译期，libpq5 运行期，ffmpeg 封面取帧）
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    libpq-dev \
    libpq5 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

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

WORKDIR /tmp

# 预装 Python 基础依赖
COPY requirements-base.txt requirements.txt ./
RUN pip install --no-cache-dir \
    -i https://mirrors.aliyun.com/pypi/simple/ \
    --trusted-host mirrors.aliyun.com \
    -r requirements-base.txt -r requirements.txt

# 虚拟环境瘦身
RUN find /opt/venv -name "*.so" -type f -exec strip --strip-all {} \; 2>/dev/null || true
RUN find /opt/venv -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null; \
    find /opt/venv -name "*.pyc" -delete 2>/dev/null || true

# 清理临时文件
RUN rm -f /tmp/requirements-base.txt /tmp/requirements.txt

ENV PYTHONPATH=/app