FROM wordpress:4.9-php7.2-fpm
 
# install php extensions
RUN apt-get update
RUN apt-get install -y libfreetype6-dev libjpeg62-turbo-dev
RUN rm -rf /var/lib/apt/lists/*
RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-png-dir=/usr --with-jpeg-dir=/usr
RUN docker-php-ext-install -j$(nproc) gd
 
#CMD ["php-fpm"]