anchor.diff:      git \
       mysql \
       nodejs-lts \
  -    autoconf \
  -    build-base \
  -    nasm \
  -    libpng-dev \
  +    # libjpeg-turbo-utils \
  +    # optipng \
  +    # gifsicle \
  +    imagemagick \
       php7-phar \
   	php7-pdo \
   	php7-json \
  
positive.code:     php7-mbstring \
      php7-tokenizer \
      php7-xmlwriter \
      php7-common \
      php7-cli;
  
  RUN apk --update add --no-cache --update \
      libjpeg-turbo-dev \
      imagemagick \
      php7-imagick;
  
  RUN apk --update add --no-cache --update \
      pngquant;
  
  RUN apk --update add --no-cache --update \
      gifsicle \
      optipng;
  
  RUN apk --update add --no-cache --update \
      libjpeg-turbo-utils \
      lcms2-utils;
  
  RUN rm -rf /var/cache/apk/*;
  
  RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
  
  RUN rm -rf /etc/localtime \
      && ln -s /usr/share/zoneinfo/UTC /etc/localtime \
      && echo "UTC" > /etc/timezone
  
  
negative.code: 	php7-zlib \
  	php7-curl \
  	php7-gd \
      php7-imagick \
  	php7-xml \
  	php7-dom \
  	php7-fpm \
  