anchor.diff:  ADD supervisord/mysql_start.sh /etc/supervisord/
   # ADD supervisord/mongo_start.sh /etc/supervisord/
   ADD supervisord/supervisord.conf /etc/
  -ENTRYPOINT ["supervisord", "--nodaemon", "--configuration", "/etc/supervisord.conf"]
  +ENTRYPOINT ["supervisord", "-n", "-c", "/etc/supervisord.conf"]
   
   # 暴露端口
   EXPOSE 80 443 3306
positive.code:     php7-redis \
      php7-pdo \
      php7-pdo_mysql \
      php7-intl \
      php7-phar \
      php7-opcache \
  
negative.code:     apk update && \
      apk upgrade
  
  
  # 安装 bash, Supervisor, php7-fpm, redis, mongodb, nginx, mysql
  RUN apk add --no-cache -u  bash \
      php7 \
      php7-common \
      php7-fpm \
  