anchor.diff:      && ( \
           cd swoole \
           && phpize \
  -        && ./configure --enable-async-redis --enable-mysqlnd --enable-coroutine \
  +        && ./configure --enable-async-redis --enable-mysqlnd --enable-coroutine --enable-openssl \
           && make -j$(nproc) \
           && make install \
       ) \
  
positive.code: 
  EXPOSE 80
  
  CMD ["php", "/var/www/swoft/bin/swoft", "start"]
  
negative.code:         vim \
          zip \
          libz-dev \
          libssl-dev \
      && apt-get clean
  
  RUN curl -sS https://getcomposer.org/installer | php \
  