Dockerfile
FROM php:7.1-cli
# GD dependecies
RUN apt-get update && \
apt-get install -y --no-install-recommends \
libjpeg-dev \
libpng-dev \
libfreetype6-dev
# Install the PHP gd library
RUN docker-php-ext-configure gd \
--enable-gd-native-ttf \
--with-jpeg-dir=/usr/lib \
--with-freetype-dir=/usr/include/freetype2 && \
docker-php-ext-install gd
# Install and configure PHP xdebug
RUN pecl install xdebug && docker-php-ext-enable xdebug
RUN echo 'xdebug.remote_port=9000' >> /usr/local/etc/php/php.ini
RUN echo 'xdebug.remote_enable=0' >> /usr/local/etc/php/php.ini
RUN echo 'xdebug.remote_autostart=0' >> /usr/local/etc/php/php.ini
RUN echo 'xdebug.remote_connect_back=1' >> /usr/local/etc/php/php.ini