新增7.4的环境，暂时移除了其它环境

7_4_apache.Dockerfile

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+FROM php:7-apache
+
+# 系统基础配置
+USER root
+WORKDIR /var/www
+
+ENV LC_ALL C.UTF-8
+ENV LANG C.UTF-8
+
+RUN sed -i 's/\(security\|deb\).debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list \
+    && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && apt update \
+    && apt dist-upgrade -y \
+    && apt autoremove -y \
+    && apt autoclean -y
+
+# apache 基本配置
+RUN sed -ri -e 's!/var/www/html!/var/www/public!g' /etc/apache2/sites-available/*.conf \
+    && echo 'ServerName localhost' >> /etc/apache2/apache2.conf  \
+    && chown -R www-data:www-data /var/www \
+    && a2enmod rewrite
+
+#  gd pdo_mysql zip
+RUN apt install -y \
+    libzip-dev \
+    zip \
+    unzip \
+    libpng-dev \
+    zlib1g-dev \
+    && docker-php-ext-configure gd \
+    && docker-php-ext-install -j$(nproc) gd \
+    && docker-php-ext-install pdo_mysql \
+    && docker-php-ext-install zip \
+    && docker-php-source delete \
+    && rm -rf /var/lib/apt/lists/*
+
+# php 环境配置
+COPY --from=composer /usr/bin/composer /usr/bin/composer