Status: Downloaded newer image for php:7.2-rc-fpm ---> 008dcb3cc91c Step 2/12 : RUN apt-get update \ && apt-get install -y \ libfreetype6-dev \ libjpeg62-turbo-dev \ libmemcached-dev \ libpng12-dev \ sendmail \ && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \ && docker-php-ext-install gd mbstring mcrypt pdo pdo_mysql \ && pecl install xdebug \ && doc