FROM php:7.3-fpm

# 替换为清华大学镜像源（Debian 10 Buster）
RUN sed -i 's/deb.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list \
    && sed -i 's/security.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list

# 安装系统依赖和扩展
RUN apt-get update && apt-get install -y \
    libzip-dev \
    unzip \
    && docker-php-ext-install pdo_mysql zip

# 安装 Composer
RUN curl -sS https://getcomposer.org/installer | php -- \
    --install-dir=/usr/local/bin \
    --filename=composer